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Configuration Note - NFS Professional Services

1. nntinnennnnnnennennnnnnnnnennnnnnennannnnnnnnnannnnnnnnennnnn 90 Figure 4 26 Trunk Group Table Page aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaanaaaaaaanananuunanananannannnnnanaanaaanaaananana OD Figure 4 27 Trunk Group Settings Page IEEE T EE ETIT Sareea TT EEEE EE A TRETT onni 40 Figure 4 28 Inbound IP Routing Table Page aanaaaaaaaaaaaaasaaaaaanaaaananuaaanaauuaannnanunananuanannanunaananuaaaa 41 Figure 44 20 TrUNk Setings Paama l kakek ai alea ea ila naa 42 Figure 4 30 TDM Bus Settings PaO essiri a jan l kn l rl ar H B lki 44 Figure 4 31 Number Manipulation Table Add Dialog BOox aaaananaaaaaaaaaaaaa aaaaa anaaaanaanaaaanaaaaaaanaanaan 45 Figure 4 32 Destination Phone Number Manipulation Table for IP gt Tel Callg enuu 50 Figure 4 33 Destination Phone Number Manipulation Table for TelSIP Calls aaa ina aaaav vana ni 51 LA MOMNP saatel aa leita tes kama a isaisa ala Figure A 1 Starting the Lync Server Topology BUIGEL a ie woo Figure A 2 Topology Builder IPHONE vis 1acisioeasssskb ndiseklatka isk nan kaat aata naket aka nian Figure A 3 Save TODOIOGY ceseecececsssssssssessisessssesssssssssisessssssssssississessssssssssisisessesessssssssisseesssessssssveseee vee 54 Figure A 4 Downloaded 1000008 sun aamusummumnmamu smmumd Figure A 5 Choosing New IP PSTN Gateway kull alt Ausa lal ad la s ld M 55 Figure A 6 Define New IP PSTN Gatew
2. Enhanced Gateway Mediant Gateway family Configuration Note AudioCodes Enhanced Gateway for Microsoft Lync Server 2013 September 2013 Microsoft Partner Document LTRT 40133 Gold Communications J FD VoIP Sounds Better 3 AudioCodes Configuration Note D jala ning IP Address to PSTN 3 1 Initial Access to the PS 67217507 E E RA A A 3 1 1 Assigning IP A to the 4 Si amm ma tm pons the Enhanced Gat paa mao so 0 T EEE Stet 1 Configuring t the Step 2 as pa enabling T TLS and Definin ing g TLS Port 21 M R al T ul N P NI i TELE DN Tu VVU eee eee eee gee gee an LAAMA een gee gee nnn nnn an as eee gee gee gee gee gee age Cont ng a a Cert Step a ivo C amiat Noise A Gain id Step 8 Configuring Early Media alaalia mm Step 9 Configuring PSTN Trun Bi Julma sima k las ma a 4 9 1 Enabling Trunks en er A er ee ert rr rer 4 9 2 Configuring the Channel S lethod 0 i select M Configuring IP to Trunk kl k isid eT r a 9 Configuring the Trunk 42 Configuring the TDM Bus AA oe Configuring Normalization Files for E 1 64 Format ir PBX I STN ior Examples Maima t ka guration g SRTP havnt upon Rek 4 10 1 9 1 Mier Normalizs Miscellaneous BEEP EB RB BBB RP PRP Ree eee eee eee eee eee eee eee AILI BELE me 9 ro S BERR RRR RRR RRR
3. Inbound IP Routing Table 09009098 Basic Parame v Routing Index 1 12 IP To Tel Routing Mode Route calls before manipulation v lt 1 al Trunk IP Profile Source IP Dest Host Prefix Source Host Prefix Dest Phone Prefix Source Phone Prefix Source IP Address bs ID Group ID 1 x IE 19216801 _ 1 To 14 3 4 2 In the first table entry row enter the asterisk sign in the Dest Phone Prefix and Source Phone Prefix fields 3 Inthe Source IP Address field enter the IP address of the Mediation server 4 Inthe Trunk Group ID field enter the Trunk Group to where the calls must be routed 5 Click Submit to apply your changes 6 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Version 6 6 41 Enhanced Gateway ra A AudioC odes Enhanced Gateway 4 9 4 Configuring the Trunk The procedure below describes basic configuration of the physical trunk gt To configure the physical trunk 1 Open the Trunk Settings page Configuration tab gt VoIP menu gt PSTN gt Trunk Settings Figure 4 29 Trunk Settings Page Basic Parameter List T 2 3 4 5 6 General Settings a Module ID Trunk ID Trunk Configuration State Mot Configured Protocol Type E1 EURO ISDN 11 x Trunk Configuration Clock Master Recovered Auto Clock Trunk Priority Line Code HDE3 Line Build Out Loss D dE Mo Trace OFF Extended Sup
4. For more information on available NPI TON values see Numbering Plans and Type of Number on page 49 Presentation Enables caller ID Not Configured Privacy is determined according to the Caller ID table 0 Allowed Sends Caller ID information when a call is made using these destination source prefixes 1 Restricted Restricts Caller ID information for these prefixes Notes This field is applicable only to number manipulation tables for source phone number manipulation If this field is set to Restricted and the Asserted Identity Mode AssertedidMode parameter is set to P Asserted the From header in the INVITE message includes the following From anonymous lt sip anonymous anonymous invalid gt and privacy id header Microsoft Lync Server 2013 48 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 10 1 Number Normalization Examples Two examples are provided below for number normalization The examples are based on the following assumptions PBX with prefix local number 333 4 digit extension numbers that begin with the digit 1 i e 1xxx National area code is 206 Country code is 1 4 10 1 1 Modifying E 164 Numbers to PBX PSTN Format for Outbound Calls Outbound calls refer to calls made by Lync clients to a PBX PSTN number 1 Version 6 6 Local Calls within PBX The caller dials only the last four digits e g 1212 Lync translates normalizes the
5. x IPMedia Settings Q IPMedia Detectors Enable Fl Enable Answer Detector Disable Answer Detector Activity Delay D Answer Detector Silence Time 10 Answer Detector Redirection D Answer Detector Sensitivity D Answer Machine Detector Sensitivity Parameter Suit Answer Machine Detector Sensitivity 3 Answer Machine Detector Beep Detection Timeout 200 Answer Machine Detector Beep Detection Sensitivity 0 Enable AGC Enable Submit 6 From the IPMedia Detectors drop down list select Enable This parameter requires an Enhanced Gateway reset see below 7 From the Enable AGC drop down list select Enable 8 Click Submit to apply your changes 9 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory 10 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the Enhanced Gateway resets and your settings are saved to the flash memory Version 6 6 35 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 4 8 Step 8 Configuring Early Media Early media refers to audio and video that is exchanged before a call is accepted by the recipient Early media generated by the caller includes voice commands or dual tone multi frequency DTMF tones to activate interactive voice response IVR systems Early media generated by the call recipient include ringback tones announcements and requests for inp
6. f Submit 2 From the Enable Early Media drop down list select Enable Microsoft Lync Server 2013 36 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway Figure 4 24 SIP General Parameters Page 2 Version 6 6 Basic Parameter List Play Ringback Tone to IP Dont Play F i Play Ringback Tone to Tel e gt Play Local Until Remote Media 4 Use Torp information Disable T Enable GRUU Disable TY User Agent Information SDP Session Owner AudiocodesGW Play Busy Tone to Tel Don t Play TF Subject Multiple Packetization Time Format Mone ki Enable Semi Attended Transfer Disable T 3xx Behavior Forward TY Enable P Charging Vector Disable T Enable VoiceMail URI Disable Yv i Retry After Time D Enable P Associated URI Header Disable YT Source Number Preference Forking Handling Mode O Sequential handling Enable Comfort Tone Disable TY af Submit From the Play Ringback Tone to Tel drop down list select Play Local Until Remote Media Arrive If a SIP 180 response is received and the voice channel is already open due to a previous 183 early media response or due to an SDP in the current 180 response the Enhanced Gateway plays a local ringback tone if there are no prior received RTP packets The Enhanced Gateway stops playing the local ringback tone as soon as it starts receiving RTP packets At this stage if the Enhanced Gateway receives additional 18x responses it does not resume playi
7. Group from where the IP call originated Typically the IP Group of an incoming INVITE is determined or classified using the Inbound IP Routing Table If not used i e any IP Group leave the field empty Notes The value 1 indicates that this field is ignored This parameter is applicable only to the number manipulation tables for Tel to IP calls f this Source IP Group has a Serving IP Group then all calls from this Source IP Group are sent to the Serving IP Group In this scenario this table is used only if the PreferRouteTable parameter is set to 1 Defines the IP Group to where the call is sent Notes The value 1 indicates that this field is ignored This parameter is applicable only to the Destination Phone Number Manipulation Table for Tel gt IP Calls Defines the number of digits to remove from the left of the telephone number prefix For example if you enter 3 and the phone number is 5551234 the new phone number is 1234 Defines the number of digits to remove from the right of the telephone number prefix For example if you enter 3 and the phone number is 5551234 the new phone number is 5551 Defines the number or string that you want added to the front of the telephone number For example if you enter 9 and the phone number is 1234 the new number is 91234 Defines the number or string that you want added to the end of the telephone number For example if you enter 00 and the phone number is
8. RRR RRR V W Fa K wi AudioCodes Enhanced Gateway List of Figures Figure 1 1 High Level Architecture of Enhanced Media Gateway raernnnnnnnanennnneneeenaa 7 Figure 3 1 Login Screen saavast ala n TEE ed Aa AAA AAA KM 12 Figure 3 2 IP Settings Screen Single Network Interface kali i AE BR EPE PEENE ee al Figure 3 3 IP Settings Screen Multiple Network Interface MEENE Ka um a 13 Figure 3 4 Maintenance Actions Reset Gateway rrrnnnnnanennnnnnmes sia 13 Figure 4 1 Summary of Steps for Configuring Enhanced Gateway f for PSTN Pa SN mu a 16 Figure 4 2 Proxy amp Registration Page Pr O LO Tr L LNN LK O AAS EE F Figure 4 3 Proxy Sets Table Page lu i OPA E ERE A SA ime Figure 4 4 Reasons for Alternative Routing Page v Auri h K KAR ad A E AEN AT A r Figure 4 5 SIP General Parameters Page mernnnnnnennneen enn ilmal am ti mastid Figure 4 6 Advanced Parameters Page MMM rere Figure 4 7 SIP General Parameters Page 2aaaanaaaaaaaaaaaaannnnnanannnnnnnnnnnnannnnnnnnannnnnannnnnnannnnnnaannnnnaa 21 Figure 4 5 AODICANON Selings Page ee ee ne ne nee nee eee aaa kaasik kuni kokka er a 22 Figure 4 9 DNS Server SettingS uuuu Mu alia iu au i 23 Figure 4 10 Certificates Page ccccccsscsssssscerssessccssscersssessscusssererssees Seiya
9. Submit Click the Multiple Interface Table a button located under the Multiple Interface Settings group a confirmation message box appears Click OK the Multiple Interface Table page appears proceed to Section 3 1 1 Microsoft Lync Server 2013 12 Document LTRT 40133 Configuration Note 3 Assigning IP Address to PSTN Gateway 3 1 1 Assigning IP Address to the Device This section describes how to assign an IP address to the device gt To assign an IP address to the device 1 Select the Index radio button corresponding to the Application Type OAMP Media Control i e the VoIP and Management LAN interface and then click Edit Figure 3 3 IP Settings Screen Multiple Network Interface Add index Delete Apply Prefix VLAN Primary DNS Server IP Secondary DNS Index Application Type Interface Mode IP Address Len gth Gateway ID Interface Name pe lo OAMP Media Control v IPv4 Manual v 192 168 0 2 24 192 168 0 1 1 Voice 2 Configure a LAN network address so that it corresponds to your network IP addressing scheme 3 Click Apply and then click Done to apply and validate your settings 4 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the gateway resets and your settings are saved to the flash memory Figure 3 4 Maintenance Actions Reset Gateway w Reset Conf
10. discontinuous flow of audio packets You may need to configure the Enhanced Gateway to match these voice quality features by enabling silence suppression comfort noise generation automatic gain control AGC and echo canceller enabled by default Note Silence suppression is configured per coder type as described in Step 6 See Section 4 6 on page 33 gt To configure voice quality 1 Open the RTP RTCP Settings page Configuration tab gt VoIP menu gt Media gt RTP RTCP Settings Figure 4 21 RTP RTCP Settings Page Basic Parameter List Basic RTP Packet Interval Default v A RFC 2833 TX Payload Type 56 RFC 2833 RX Payload Type 56 RFC 2198 Payload Type 104 Fax Bypass Payload Type 102 Enable RFC 3389 CN Payload Type Enable T Comfort Noise Generation Negotiation Enable Remote RTP Base UDP Port 0 RTP Multiplexing Local UDP Port 0 RTP Multiplexing Remote UDP Port 0 RTP Base UDP Port 6000 A Submit 2 Verify that the Enable RFC 3389 CN payload Type parameter is set to Enable 3 From the Comfort Noise Generation Negotiation drop down list select Enable to enable comfort noise generation 4 Click Submit 5 Open the IPMedia Settings page Configuration tab gt VoIP menu gt Media gt IPMedia Settings Microsoft Lync Server 2013 34 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway Figure 4 22 IPMedia Settings Page
11. from your computer Private key pass phrase optional aude Send Private Key file from your computer to the device The file must be in either PEM or PFX FKCS 12 format Browse Send File Note Replacing the private key is not recommended but if it s done it should be over a physically secure network link Send Device Certificate file from your computer to the device The file must be in textual PEM format Browse Send File Send Trusted Root Certificate Store file from your computer to the device The file must be in textual PEM format Browse SendFile 2 Inthe Device Certificate field click Browse select the gateway cer certificate file that you saved on your local disk see Step 9 in the previous section and then click Send File to upload the certificate to the Enhanced Gateway 3 In the Trusted Root Certificate Store field click Browse to select the certroot cer certificate file that you saved on your local disk see Step 13 in the previous section and then click Send File to upload the certificate 4 On the toolbar click Burn to save the certificates to the Enhanced Gateway flash memory 5 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the Enhanced Gateway resets and your settings are saved to the flash memory Version 6 6 29 Enhanced Gateway cd AudioCodes 4 4 Enhanced Gateway Step 4 C
12. is used to resolve itinto an IP address gt Toconfigure the DNS servers 1 Open the IP Settings page Configuration tab gt VoIP menu gt Network gt IP Settings Figure 4 9 DNS Server Settings Add Index Delete Prefix WLAN m Primary DNS Server IP Secondary DNS E ID Interface Name Address IP Address Id WAN Interface Name 2 In the DNS Primary Server IP and DNS Secondary Server IP fields enter the IP address of the primary and secondary DNS server respectively 3 Click Submit to apply your changes and then click Done On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory 5 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the Enhanced Gateway resets and your settings are saved to the flash memory 4 3 4 Configuring a Certificate This step describes how to exchange a certificate with Microsoft Certificate Authority CA It is composed of the following steps 1 Generating a certificate signing request CSR 2 Obtaining CA and Trusted Root certificates from Microsoft 3 Installing Microsoft CA and Trusted Root certificates on the Enhanced Gateway Version 6 6 23 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 4 3 4 1 Generating a Certificate Signing Request The procedure below describes how to generate a CSR by the Enhanced Gateway This CSR is later sent
13. its clock synchronization when the TDM Bus Clock Source is configured to recover the clock from the PSTN line 3 Click Submit to apply your changes 4 On the toolbar click Burn to save the settings to the Enhanced Gateway flash memory 5 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the Enhanced Gateway resets and your settings are saved to the flash memory Microsoft Lync Server 2013 44 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 10 Step 10 Configuring Normalization Rules for E 164 Format for PBX PSTN Connectivity Microsoft Lync 2013 implements the standard E 164 format while the PBX or PSTN implements other number formats for dialing If the Enhanced Gateway is connected to a PBX or directly to the PSTN the Enhanced Gateway may need to perform number manipulations for the called and or calling number to match the PBX or PSTN dialing rules or to match Microsoft Lync 2013 E 164 format Therefore the Enhanced Gateway must be configured with manipulation rules to translate i e normalize numbers dialed in standard E 164 format to various formats and vice versa Manipulation needs to be done for outbound calls i e calls received from Microsoft Lync clients through Microsoft Lync 2013 and inbound calls i e calls destined to Lync clients Number manipulation and mapping of NPI TON to SIP mess
14. to the Microsoft CA gt Togeneratea CSR 1 Open the Certificates Signing Request page Configuration tab gt System menu gt Certificates Figure 4 10 Certificates Page Certificate Signing Request Subject Name CN ACGW 1 ine 15 local Organizational Unit OU optional Company name 0 optional Locality or city name L optional State ST optional Country code C optional Create CSR After creating the CSR copy the text below including the BEGIN END lines and send it to your Certification Authority for signing MIIBWTOCA30CAGAwWgEAXHDAABONVBAMTE FDR1 cxLmlseWS5jMTUubG95j Y WwxHETAT BONVBAS TDEhLYWRedWrydGVyczE SMBAGA 1UEChMJ929yvcG9yYKRIMRUWEWEDVOOA Ewxgb vnagt1ZXBzaWUxETAFBOGNVBAgTCE 5 ldyBZzb3IrMQswCOY DVQQGEWIVUZCE nzANBgkohkiG9w0BAGEFAAOBJjGAwgikOg EA poy JUR AN nWUgpgliXncpjdiz20W SJoJ j0KSM11g BsDVBISDsrcuj MI SHEKIurgLaFLE1 SNbPNBOQVYFPZShMOKDAD 2Mn6oyWgok17b gs fRwtROLWpK1 xWSTyL jYN3Xnkikgi SWKS iGvGLriddidevu eCHC4101AGtt3FECAWEAASBAMANGCS gG3 IbSJDQEBBAUAA4GHARDENmS HNMr7 Siz S4 Vu Gr ttpMrzbRbnTkadd 5160084 wGcKMDVLYINNSKEISDU T41ew1Aa6bE NUIdbxf ZF NIdclfsfroanPdJBXZntARQI sO Skhetwinsbvelb2dseLebu 9XK S591J UDfFOQ u9V7juTwWBdCfJA CabJPSdBWFjwC END CERTIFICATE REQUEST 2 In the Subject Name field enter the media gateway name e g ACGW1 ilync15 local This name must be equivalent to the gateway name configured in the Topology Builder for Lync Server 2013 3
15. 10 15 4 201 certsrw certrgad asp Go Links gt Microsoft Certificate Services Demolab Advanced Certificate Reguest The policy of the CA determines the types of certificates you can request Click one of the following options to Create and submit a reguest to this CA Submit a certificate request by using a base 64 encoded CMC or PKCS 10 file or submit a renewal request by using a base 64 encoded PKCS 7 file Pone TT tense Microsoft Lync Server 2013 26 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 Click the Submit a Certificate request by using base 64 encoded link the Submit a Certificate Reguest or Renewal Reguest page appears Figure 4 14 Submit a Certificate Reguest or Renewal Reguest Page Microsoft Active Directory Certificate Services Windows Internet Explorer lol aE Je A htto 710 15 4 2015certsrwfo rtrok asp EA o X lt w File Edit View Favorites Tools Help t Microsoft Active Directory Certificate Services Microsoft Active Directory Cerificate Services Lync DC LYNC CA submit a Certificate Request or Renewal Request To submit a saved request to the CA paste a base 64 encoded CMC or PACS 10 cetificate request or PKCS 7 renewal request generated by an extemal source such as a Web serveriin he Saved Request Dor Saved Request hajxePooymyf bknfx zEusBboszoh4JjagszbedxuyEkl Hace Sd enceded rr tootrnsPOCAvE AS AANLOGCS qo
16. 1234 the new number is 123400 Defines the number of digits that you want to keep from the right of the phone number For example if you enter 4 and the phone number is 00165751234 then the new number is 1234 47 Enhanced Gateway Fa w A AudioCodes Enhanced Gateway Parameter Description NPI Defines the Numbering Plan Indicator NPI 0 Unknown default 9 Private 1 E 164 Public 1 Not Configured value received from PSTN IP is used Notes This parameter is applicable only to number manipulation tables for IP to Tel calls NPI can be used in the SIP Remote Party ID header by using the EnableRPlHeader and AddTON2RPI parameters For more information on available NPI TON values see Numbering Plans and Type of Number on page 49 TON Defines the Type of Number TON If you selected Unknown for the NPI you can select Unknown 0 If you selected Private for the NPI you can select Unknown 0 Level 2 Regional 1 Level 1 Regional 2 PISN Specific 3 or Level 0 Regional Local 4 f you selected E 164 Public for the NPI you can select Unknown 0 International 1 National 2 Network Specific 3 Subscriber 4 or Abbreviated 6 The default is Unknown Notes This parameter is applicable only to number manipulation tables for IP to Tel calls TON can be used in the SIP Remote Party ID header by using the EnableRPlHeader and AddTON2RPI parameters
17. 6 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Parameter Table 4 1 Number Manipulation Parameters Description Description Matching Characteristics Rule Destination Prefix Source Prefix Source IP Address Source Host Prefix Destination Host Prefix Defines the destination called telephone number prefix and or suffix You can use special notations for denoting the prefix For example 100 199 100 101 105 denotes a number that starts with 100 to 199 and ends with 100 101 or 105 You can also use the sign to denote calls without a called number Defines the source calling telephone number prefix and or suffix You can use special notations for denoting the prefix For example 100 199 100 101 105 denotes a number that starts with 100 to 199 and ends with 100 101 or 105 You can also use the sign to denote calls without a calling number Defines the source IP address of the caller This is obtained from the Contact header in the INVITE message Notes This parameter is applicable only to the number manipulation tables for IP to Tel calls The source IP address can include the x wildcard to represent single digits For example 10 8 8 xx represents all IP addresses between 10 8 8 10 to 10 8 8 99 The source IP address can include the asterisk wildcard to represent any number between 0 and 255 For example 10 8 8 represents all IP addresses betwe
18. Click Create CSR a Certificate request is generated and displayed on the page 4 Copy the certificate from the line BEGIN CERTIFICATE to END CERTIFICATE REQUEST to a text file such as Notepad and then save it to a folder on your PC with the file name certreg txt Microsoft Lync Server 2013 24 Document LTRT 40133 Configuration Note 4 3 4 2 Version 6 6 Obtaining the Microsoft CA and Trusted Root Certificates Once you have generated a CSR described in the previous section you need to upload it to Microsoft Certificate server and reguest a CA and trusted root certificates gt To obtain Microsoft CA and trusted root certificates 1 Open a Web browser and then navigate to Microsoft Certificate Services at the following link http lt certificate server address gt certsrv Figure 4 11 Microsoft Certificate Services Web Page 3 Microsoft Certificate Services Microsoft Internet Explorer E 218 x File Edit View Favorites Tools Help ae Q sex M v x P A p gt Search FT g Favorites E a V 2 Address http 710 15 4 201 certsrv 1 E links gt Microsoft Certificate Services Demolab Welcome Use this Web site to request a certificate for your Web browser e mail client or other program By using a certificate you can verify your identity to people you communicate with over the Web sign and encrypt messages and depending upon the type o
19. Enhanced Gateway sends the number 12063331220 to Lync which relays the call to the Lync client Note The international and country codes that are received by the Enhanced Gateway depend on the respective country s PSTN numbering rules Microsoft Lync Server 2013 50 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway The configuration of the above scenarios is shown in the figure below Figure 4 33 Destination Phone Number Manipulation Table for Tel gt IP Calls Add Index Destination Prefix Source Prefix Source Trunk Destination IP Prefix to Add suffix to Add Group Group 1 lioc 5 1 1 1206333 2 333 1 1 1206 3 206 1 1 1 4 00 ai 1 1 m ce Page 4 ofi Show 10 records per page View 1 4 of 4 Version 6 6 51 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 4 11 Miscellaneous Configuration This step describes the miscellaneous Gateway configuration 4 11 1 Configuring SRTP Behavior upon Rekey Mode This section describes how to configure SRTP Behavior upon Rekey Mode gt To configure SRTP Behavior upon Rekey Mode 1 Open the Admin page by appending the case sensitive suffix AdminPage to the Gateway s IP address in your Web browser s URL field e g http 10 15 4 22 AdminPage 2 Onthe left pane click ini Parameters Figure 4 34 AdminPage Parameter Name Enter Value 3 RESETSRTPSTATEUPONREKEY 4 gt 1 _ Apply New V
20. Gateway gt To initially access the PSTN gateway 1 Connect to the first LAN port on the device directly to a PC using a straight through Ethernet cable 2 Ensure that your PC is configured with an IP address in the same subnet as the gateway 3 Open a standard Web browser and then in the URL address field enter the default VoIP Management LAN IP address e g 10 1 10 10 The following login screen appears prompting you to log in with your login credentials Figure 3 1 Login Screen Web Login Usemame Admin Password Remember Me 4 Log in with the default case sensitive user name Admin and password Admin and then click OK the Web interface appears displaying the Home page 5 Doone of the following a For the Mediant 500 Mediant 800 and Mediant 1000B devices Open the Multiple Interface Table page Configuration tab gt VoIP menu gt Network gt IP Settings and proceed to Section 3 1 1 b For the Mediant 2000 and Mediant 3000 devices Open the IP Settings page Configuration tab gt VoIP menu gt Network gt IP Interfaces Table as shown below Figure 3 2 IP Settings Screen Single Network Interface Single IP Settings IP Address 10 1 10 10 Subnet Mask 255 255 0 0 Default Gateway Address 0 0 0 0 w VoIP DNS Settings DNS Primary Server IP l DNS Secondary Server IP w Multiple Interface Settings Multiple Interface Table gt
21. P addresses or FQDNs in the Proxy Set table gt To allow IP communication only between the Enhanced Gateway and Mediation server 1 Open the Advanced Parameters page Configuration tab gt VoIP menu gt SIP Definitions gt Advanced Parameters Figure 4 6 Advanced Parameters Page Basic Parameter List General IP Security Filter Calls to IP m1 Enable Digit Delivery to Tel Enable Digit Delivery to IP DID Wink Delay Before DID Wink Reanswer Time PSTN Alert Timeout QoS Statistics in Release Msg 2 From the IP Security drop down list select Secure Incoming calls to enable the security feature to accept and send SIP calls only from and to user defined IP addresses or FQDN i e Mediation server configured in the Proxy Set table see Step 4 1 on page 17 3 Click Submit to apply your settings 4 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Microsoft Lync Server 2013 20 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 3 4 3 1 Step 3 Configuring TLS Transport Layer Security TLS is the recommended transport type enabled by default on Lync environment for communication between the Enhanced Gateway and the Mediation server However if you reguire TCP instead then skip this section and proceed to Step 4 Section 4 4 on page 30 TLS provides encrypted SIP signaling between the Enhanced Gateway and the Mediati
22. Parameters page Configuration tab gt VoIP menu gt SIP Definitions gt General Parameters Figure 4 5 SIP General Parameters Page SIP General Parameters n Basic Parameter List a Ciidbit VUICEMIdI URL Visavit v A Retry After Time 0 Enable P Associated URI Header Disable v Source Number Preference Forking Handling Mode Parallel handling v Enable Comfort Tone Disable v Add Trunk Group ID as Prefix to Source No v Fake Retry After J 60 Enable Reason Header Enable v m v Submit e In Fake Retry After field enter the time 60 in seconds When the Enhanced Gateway receives a SIP 503 response from the Mediation server without a Retry After header the Enhanced Gateway behaves as if the 503 response includes a Retry After header with this user defined period f Click Submit g On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Version 6 6 19 Enhanced Gateway 4 2 Fa l A AudioCodes Enhanced Gateway Step 2 Restricting Communication to Mediation Server Only The procedure below describes how to restrict IP communication by allowing communication only between the Enhanced Gateway and the Mediation server This ensures that the Enhanced Gateway accepts and sends SIP calls only to and from the Mediation server as required by Microsoft This is done by enabling the IP Security feature and then defining the allowed administrative list I
23. ages rules are configured in the following Manipulation tables H For Tel to IP calls e Destination Phone Number Manipulation Table for Tel to IP Calls e Source Phone Number Manipulation Table for Tel to IP Calls H For IP to Tel calls e Destination Phone Number Manipulation Table for IP to Tel Calls e Source Phone Number Manipulation Table for IP to Tel Calls Number manipulation configuration examples are provided for inbound and outbound calls in Section 4 10 1 gt Toconfigure number manipulation rules 1 Open the required Number Manipulation page Configuration tab gt VoIP menu gt GW and IP to IP gt Manipulations gt Dest Number IP gt Tel or Dest Number Tel gt IP Source Number IP gt Tel or Source Number Tel gt IP the relevant Manipulation table page is displayed 2 Click the Add button the following dialog box is displayed Figure 4 31 Number Manipulation Table Add Dialog Box Rule Action Destination Prefix A Source Prefix Source IP Address Source Host Prefix Destination Host Prefix A Submit Cancel 3 Click the Rule tab and then configure the matching characteristics For a description of the parameters see the table below 4 Click the Action tab and then configure the manipulation operation For a description Version 6 6 of the parameters see the table below 45 Enhanced Gateway Fa w A AudioCodes Enhanced Gateway 5 Click Submit to apply your changes
24. alue Output Window Parameter Name RESETSRTPSTATEUPONREKEY Parameter New Value 1 Parameter Description Reset SRTP State Upon Re key 3 Inthe Parameter Name field enter RESETSRTPSTATEUPONREKEY 4 Inthe Enter Value field enter 1 5 Click the Apply New Value button Microsoft Lync Server 2013 52 Document LTRT 40133 Configuration Note A Configuring Lync Server 2013 A Configuring Lync Server 2013 This appendix describes how to configure Microsoft Lync Server 2013 topology builder to operate with the AudioCodes Enhanced Gateway Note Routes Dial plans voice policies and PSTN usages are also necessary for Enterprise voice deployment however they are beyond the scope of this document The procedure below describes how to configure the Gateway as an IP PSTN Gateway gt To configure the Gateway as an IP PSTN Gateway and associate it with the Mediation Server 1 On the Microsoft Lync server where the Topology Builder is installed start the Lync Server 2013 Topology Builder Point to Start menu gt All Programs gt Lync Server Topology Builder Figure A 1 Starting the Lync Server Topology Builder P Administrator Fr Default Programs A Internet Explorer 64 bit A Internet Explorer windows Media Player Windows Update d ecessories di Administrative Tools Documents di Maintenance di Microsoft Lync Server 2013 FE15 Lync Server Control Panel Lync Se
25. ay naaaaiaaaaaaaaaaaaaaaaaaaaaaananaananuaaanannananannnnnanannnnanannanaananaaaa n Figure A 7 Define the IP Address SSS oe AL Am ren AA NME Ali A MAA 56 Figure A 8 Define the Root Trunk nrnnnennunnnennnnnennnnnnnana nne a S RTRA of Figure A 9 Gateway Added as an IP PSTN Gateway and Trunk created kal ut kll RAT 58 Figure A 10 Choosing Publish Topology nnaaaazaaan aaaaaaaaaa nnansnannnnnnnaaa Gabe TE EEEE S Figure A 11 Publish Topology Screen siksak TT kaskaadi viit FEE ET EEE TETEE Figure A 12 Publish Topology Progress Screen EEPE RT A EEEE EE E ETE ET E REE EE RTE e Figure A 13 Publish Topology Successfully Completed EEEE ETETE EEEE EET TEE TTE o T Microsoft Lync Server 2013 4 Document LTRT 40133 Configuration Note Notices Notice This document describes the installation and configuration of AudioCodes Mediant Gateway family as Enhanced Gateway deployed in the Microsoft Lync Server 2013 environment Information contained in this document is believed to be accurate and reliable at the time of printing However due to ongoing product improvements and revisions AudioCodes cannot guarantee the accuracy of printed material after the Date Published nor can it accept responsibility for errors or omissions Updates to this document and other documents as well as software files can pe viewed by registered customers at http www audiocodes com dow
26. c Software Version Release 2013 5 0 8308 0 Protocol SIP Additional Notes None 9 Enhanced Gateway ra A AudioCodes Enhanced Gateway Reader s Notes Microsoft Lync Server 2013 10 Document LTRT 40133 Configuration Note 3 Assigning IP Address to PSTN Gateway 3 Assigning IP Address to PSTN Gateway The gateway includes an embedded Web server Web interface providing a user friendly graphical user interface GUI for configuration The IP address used for accessing this Web interface must be changed to suit the networking scheme in which your Enhanced Gateway is deployed Before you can configure the PSTN gateway you need to first access it with the default VoIP Management LAN IP address as described below 3 1 Initial Access to the PSTN Gateway Before you can configure the PSTN gateway you need to access its Web interface using the default VolP Management LAN IP address as shown in the table below PSTN Gateway Default IP Addresses Device Name IP Address Subnet Mask Mediant 3000 TP 6310 or TP 8410 blade in Slot 1 10 1 10 10 255 255 0 0 TP 6310 or TP 8410 blade in Slot 3 10 1 10 11 HA mode Mediant 2000 e Device with single module trunks 1 8 10 1 10 10 255 255 0 0 e Device s second module trunks 9 16 10 1 10 11 Mediant 1000B 192 168 0 2 255 255 255 0 Mediant 800 192 168 0 2 255 255 255 0 Mediant 500 192 168 0 2 255 255 255 0 Version 6 6 11 Enhanced Gateway Fa l A AudioCodes Enhanced
27. c15 local ilync15 local gy ITSP GW ilync15 local Administrative access https admin iLync15 local H p Trunks URL Ofer Z colt ilync15 local Z ITSP GW ilync15 local Office Web Apps Servers Central Management Server O Branch sites Central Management Adive Server ET FEIS ihmci5 local Microsoft Lync Server 2013 58 Document LTRT 40133 Configuration Note A Configuring Lync Server 2013 The Publish Topology screen is displayed Figure A 11 Publish Topology Screen he Publish Topology Publish the topology In order for Lync Server 2013 to correctly route messages in your deployment you must publish your topology Before you publish the topology ensure that the following tasks have been completed A validation check on the root node did not return any errors A file share has been created for all file stores that you have configured in this topology All simple URLs have been defined For Enterprise Edition Front End pools and Persistent Chat pools and for Monitoring Servers and Archiving Servers All SOL Server stores are installed and accessible remotely and firewall exceptions for remote access to SQL Server are configured For a single Standard Edition server the Prepare first Standard Edition server task was completed You are currently logged on as a SQL Server administrator for example as a member of the SOL sysadmin role If you are r
28. d Gateway for PSTN Only Configuring Mediation Server as a Proxy Restricting Communication to only Mediation Server Configuring SIP Transport as TLS or TCP Configuring Secure RTP SRTP Configuring Voice Coders Configuring Comfort Noise and Gain Control Configuring Early Media Configuring PSTN Trunks Configuring Normalization for E 164 Configuring MISC Microsoft Lync Server 2013 16 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 1 Step 1 Configuring the Mediation Server as a Proxy The procedure below describes how to configure the address IP address or FQDN of the Mediation server through which the Enhanced Gateway communicates with Microsoft Lync The Enhanced Gateway forwards all telephone calls PBX PSTN to the Mediation server using this configured address This address is configured in the Enhanced Gateway as a proxy server In other words the Mediation server acts as a proxy server without registration for the Enhanced Gateway gt To configure the Mediation server as a proxy server 1 Open the Proxy amp Registration page Configuration tab gt VoIP menu gt SIP Definitions gt Proxy amp Registration Figure 4 2 Proxy amp Registration Page Use Default Proxy Yes TY f Proxy Set Table sine Proxy Name Redundancy Mode Parking Proxy IP List Refresh Time 60 Enable Fallback to Routing Table Disable T Prefer Routing Table Mo kd Use Routing Tab
29. dge pools Trusted application servers E Shared Components F F SOL Server stores File stores g PSTN gateways ML ACGW iLync15 local Fa Colt ilync15 local 7 ITSP GW ilync15 local Fa MP ilync15 local F ATT ilync15 local F ACGW2 ilync15 local Fa HOT ilync15 local F ACGW 1 ilync15 local El Og Trunks Z ACGW iLync15 local Z Colt ilync15 local Z ITSP GW ilync15 local Z ITSP GW2 Z MP ilync15 local Z ATT ilync15 local Z ACGW2 ilync15 local Za HOT ilync15 local Og Office Web Apps Servers El 9 Branch sites rh SBA1S iLync15 local 14 Publish the Topology In the Navigation tree select the root item Lyne Server and then in the Main Menu choose Action gt Publish Topology Figure A 10 Choosing Publish Topology T Lync Server 2013 Topology Builder File Action Help New Central Site Edit Properties pa gt ai i New Topology Open Topology f it SIP domain iLync15 local Download Topology tional supported SIP Not configured mn Save a copy of Topology As Publish Topology Install Database Merge Office Communications Server 2007 R2 Topology Publish topology to the Central Management store Remove Deployment Help je access URLs Active Simple URL E du w M hittps dialin iLync15 local u GW1 iLync15 local Meeting URLs Active Simple URL SIP domain 8 cotilyne 15 local A https meet iLyn
30. e configuration see Section 4 3 on page 21 c From the Enable Proxy Keep Alive drop down list select Using Options to discover whether a particular Mediation server in the cluster is available d From the Proxy Load Balancing Method drop down list select Round Robin to enable the round robin proxy load balancing mechanism e From the Is Proxy Hot Swap drop down list select Yes If there is no response from the first Mediation server after a user defined number of retransmissions the INVITE message is sent to the redundant Mediation server f Click Submit to apply your settings Microsoft Lync Server 2013 18 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 3 When the Enhanced Gateway receives a SIP 503 response from the Mediation server in response to an INVITE it re sends the INVITE to the redundant Mediation server located at the datacenter To achieve this you need to configure the receipt of a SIP 503 response as a reason for IP alternative routing a Open the Reasons for Alternative Routing page Configuration tab gt VoIP menu gt GW and IP to IP gt Routing gt Alternative Routing Reasons Figure 4 4 Reasons for Alternative Routing Page IP to Tel Reasons Reason 1 Reason 2 Reason 3 Reason 4 Reason 5 Tel to IP Reasons NA Submit b Under the Tel to IP Reasons group from the Reason 1 drop down list select 503 c Click Submit d Open the SIP General
31. e Links Interop thx 10 7 2010 5 53 PM TBXML File 101 KE _ Interop tbzml 10 12 2010 10 5 TBXML File 101 KB IM Desktop P Computer E Documents E Pictures k Music 4 Recently Changed E Searches i Public Folders File name TERS Re Save as type Topology Builder Files tbrzrnl v a Hide Folders F E 3 Enter a name for the Topology file and then click Save This action enables you to roll back from any changes you make during the installation Microsoft Lync Server 2013 54 Document LTRT 40133 Configuration Note A Configuring Lync Server 2013 The Topology Builder screen with the downloaded Topology is displayed Figure A 4 Downloaded Topology M Lync Server 2013 Topology Builder File Action Help o Lync Server 1 AudioCodes SIP domain gg Lync Server 2010 a Lync Server 2013 i Default SIP domain Standard Edition Front End Servers M Fa Enterprise Edition Front End pools paan supported SIP 3g Director pools a Mediation pools g Persistent Chat pools i Pepe poele Simple URLs Fa Trusted application servers R a Shared Components g Branch sites Phone access URLs Active Simple URL https dialin iLync15 local Meeting URLs Active Simple URL SIP domain https meet iLync15 local iLync15 local Administrative access https admin iLync15 local URL Central Management Server Central Management Active Front End Site 15 local Aud
32. e Manipulation table is configured to normalize the number into E 164 format and adds the prefix 1206333 to the extension number Therefore the Enhanced Gateway sends the number 12063331220 to Lync which relays the call to the Lync client 2 National Calls with the Same Area Code The PSTN user dials a 7 digit phone number e g 333 1220 which is received by the Enhanced Gateway The Manipulation table is configured to normalize the number into E 164 format and adds the prefix 1206 to the number Therefore the Enhanced Gateway sends the number 12063331220 to Lync which relays the call to the Lync client 3 National Calls from a Different Area Code The PSTN user dials the national area code and then a 7 digit phone number e g 206 333 1220 which is received by the Enhanced Gateway The Manipulation table is configured to normalize the number into E 164 format and adds the prefix 1 to the number Therefore the Enhanced Gateway sends the number 12063331220 to Lync which relays the call to the Lync client 4 international Calls The PSTN international overseas caller dials the international access and country code e g 001 for the US the national area code and then a 7 digit phone number e g 206 333 1220 which is received by the Enhanced Gateway The Manipulation table is configured to normalize the number into E 164 format by removing the first two digits e g 00 and adding the prefix plus sign Therefore the
33. ed Figure A 7 Define the IP Address TA Define New IP PSTN Gateway gt Define the IP address Use all configured IP addresses Limit service usage to selected IP addresses PSTN IP address w Enable IPv6 f Use all configured IP addresses Limit service usage to selected IP addresses PSTN IP address fr rr Microsoft Lync Server 2013 56 Document LTRT 40133 Configuration Note A Configuring Lync Server 2013 7 T Define New IP PSTN Gateway Define the root trunk M E Trunk name ACGW Lilync15 local Listening port for IP PSTN gateway 5067 SIP Transport Protocol TLS Associated Mediation Server FE15 ikmc15 local AudioCodes Associated Mediation Server port 5067 Help Back Cancel 10 11 12 13 Version 6 6 Define the listening mode IPv4 or IPv6 of the IP address of your new PSTN gateway and click Next the Define the root trunk screen is displayed Figure A 8 Define the Root Trunk In the Trunk name field define a root trunk for the PSTN gateway A trunk is a logical connection between a Mediation Server and a gateway uniquely identified by the combination Mediation Server FQDN Mediation Server listening port TLS or TCP gateway IP and FADN gateway listening port e When defining a PSTN gateway in the Topology Builder you must define a root trunk to successfully add the PSTN gateway to your topology e The root trunk cannot be
34. emoving a Front End pool all users common area phones analog devices application contact objects and conference directories have been removed from the pool When you are ready to proceed click Next 15 Click Next the Topology Builder starts to publish your topology as shown below Figure A 12 Publish Topology Progress Screen te Publish Topology Publishing in progress Please wait while Topology Builder tries to publish your topology succeeded Downloading topology Succeeded Downloading global simple URL settings Succeeded Updating role based access control RBAC roles Succeeded Enabling topology Version 6 6 59 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 16 Wait until the publishing topology process completes successfully Figure A 13 Publish Topology Successfully Completed TE Publish Topology Publishing wizard complete Your topology was successfully published x Publishing topology SUCCESS View Logs Downloading topology SUCCESS 7 Downloading global simple URL settings SUCCESS Updating role based access control RBAC roles SUCCESS Enabling topology SUCCESS To dose the wizard click Finish Help Back Cancel 17 Click Finish Microsoft Lync Server 2013 60 Document LTRT 40133 s Notes NN 3 AudioCodes Configuration Note www audiocodes com
35. en 10 8 8 0 and 10 8 8 255 Defines the URI host name prefix of the incoming SIP INVITE message in the From header Notes This parameter is applicable only to the number manipulation tables for IP to Tel calls The asterisk wildcard can be used to denote any prefix f the P Asserted Identity header is present in the incoming INVITE message then the value of this parameter is compared to the P Asserted Identity URI host name instead of the From header Defines the Request URI host name prefix of the incoming SIP INVITE message Notes This parameter is applicable only to the number manipulation tables for IP to Tel calls The asterisk wildcard can be used to denote any prefix Microsoft Lync Server 2013 46 Document LTRT 40133 Configuration Note Parameter Source Trunk Group Source IP Group Destination IP Group Operation Action Stripped Digits From Left Stripped Digits From Right Prefix to Add Suffix to Add Number of Digits to Leave Version 6 6 4 Configuring the Enhanced Gateway Description Defines the source Trunk Group ID for Tel to IP calls To denote all Trunk Groups leave this field empty Notes The value 1 indicates that this field is ignored in the rule This parameter is applicable only to the number manipulation tables for Tel to IP calls For IP to IP call routing this parameter is not required i e leave the field empty Defines the IP
36. er Frame Trace Level Line Build Out Overwrite Framing Method ISDN Configuration ISDN Termination Side 0931 Layer Response Behavior Outgoing Calls Behavior 400 a Tanarminan alle Aah arrimar Pelli A v Apply Trunk Settings 2 On the top of the page a bar with trunk number icons displays the status of each trunk e Grey disabled e Green active e Yellow RAI alarm e Red LOS LOF alarm e Blue AIS alarm e Orange D channel alarm ISDN only Select the Trunk that you want to configure by clicking the desired trunk number icon 3 If the trunk is new configure the trunk as required If the trunk was previously configured click the Stop Trunk M button to de activate the trunk Microsoft Lync Server 2013 42 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 Basic trunk configuration a From the Protocol Type drop down list select the required trunk protocol If the Protocol Type field displays NONE i e no protocol type selected and no other trunks have been configured after selecting a PRI protocol type you must reset the Enhanced Gateway All PRI trunks of the Enhanced Gateway must be of the same line type E1 or T1 However different variants of the same line type can be configured on different trunks for example E1 Euro ISDN and E1 GAS subject to the constraints in the Release Notes BRI tru
37. eway flash memory 8 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the Enhanced Gateway resets and your settings are saved to the flash memory Version 6 6 43 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 4 9 5 Configuring the TDM Bus The procedure below describes how to configure the TDM bus of the Enhanced Gateway gt To configure the TDM bus 1 Open the TDM Bus Settings page Configuration tab gt VoIP menu gt TDM gt TDM Bus Settings Figure 4 30 TDM Bus Settings Page Basic Parameter List a PCM Law Select MuLaw TDM Bus Clock Source Intemal TOM Bus PSTN Auto FallBack Clock Disable TOM Bus PSTN Auto Clock Reverting Disable Idle PCM Pattern 255 e Idle ABCD Pattern OOF TOM Bus Local Reference 1 TDM Bus Type Framers A Submit 2 Configure the TDM bus parameters according to your deployment requirements Below is a description of some of the main TDM parameters a PCM Law Select defines the type of PCM companding law in the input output TDM bus Typically A Law is used for E1 and Mu Law for T1 J1 b TDM Bus Clock Source defines the clock source to which the Enhanced Gateway synchronizes generate clock from local source Internal or recover clock from PSTN line Network c TDM Bus Local Reference defines the physical trunk ID from which the Enhanced Gateway recovers receives
38. f certificate you request perform other security tasks You can also use this Web site to download a certificate authority CA certificate certificate chain or certificate revocation list CRL or to view the status of a pending request For more information about Certificate Services see Certificate Services Documentation Select a task Reguest a certificate View the status of a pending certificate request Download a CA certificate certificate chain or CRL z E EEE E inteme 2 Click the Request a certificate link the Request a Certificate page appears 25 Enhanced Gateway 4 Configuring the Enhanced Gateway cd AudioC odes Enhanced Gateway Figure 4 12 Reguest a Certificate Page F Microsoft Certificate Services Microsoft Internet Explorer File Edit Yiew Favorites Tools Help B x a AlO Search Se Favorites AR rJ 3 Address http 10 15 4 201 certsrv certrqus asp Microsoft Certificate Services Demolab Request a Certificate Select the certificate type Web Browser Certificate E Mail Protection Certificate Or submit an advanced certificate request a_a 3 Click the advanced certificate request link the Advanced Certificate Request page appears Figure 4 13 Advanced Certificate Request Page 7 Microsoft Certificate Services Microsoft Internet Explorer l81x Eie Edit view Favorites Tools Help Qm O P Olan Seem JE EEST B Address a http
39. gestions or errors regarding this document please fill out the Documentation Feedback form on our Web site at http www audiocodes com downloads Your valuable feedback is highly appreciated Version 6 6 5 Enhanced Gateway Fa w A AudioCodes Related Documentation Manual Name Mediant 500 MSBR Hardware Installation Manual Mediant 500 MSBR SIP User s Manual Mediant 800 Gateway and E SBC User s Manual Mediant 1000B Gateway amp E SBC User s Manual Mediant 2000 User s Manual Mediant 3000 User s Manual Mediant 800 Gateway and E SBC Hardware Installation Manual Mediant 1000B Gateway and E SBC Hardware Installation Manual Mediant 2000 SIP Hardware Installation Manual Mediant 3000 SIP Installation Manual Microsoft Lync Server 2013 6 Enhanced Gateway Document LTRT 40133 Configuration Note 1 Introduction 1 Introduction This document describes the installaton and configuration of Enhanced Gateway hereafter referred to as gateway deployed in the Microsoft Lync Server 2013 environment The Enhanced Gateway is typically co located with Microsoft Mediation server at the enterprise s headguarters The Mediation server is the Lync Server entity that is responsible for interfacing the Lync Server network with the gateway which provides legacy connections to the public switched telephone network PSTN or private branch exchange PBX Note AudioCodes SBA located at the remote branch office can also provide En
40. hanced gateway functionality For information on how to configure the SBA refer to the relevant SBA Installation Manual AudioCodes gateways can also provide the Lync Server environment with a connection to analog devices such as fax machines and telephones with AudioCodes MediaPack 1 xx series as an Analog Telephone Adapter ATA Note This document doesn t describe how to configure the gateway for communication with Analog Devices For information on how to configure the Gateway with Analog Devices refer to the Enhanced Gateway and Analog Devices Configuration Note Figure 1 1 High Level Architecture of Enhanced Media Gateway PRI BR A P x Medalion Server ku TE J i i aa Lyne Server 2013 Version 6 6 V Enhanced Gateway ra A AudioCodes Enhanced Gateway Reader s Notes Microsoft Lync Server 2013 8 Document LTRT 40133 Configuration Note 2 Component Information 2 2 1 2 2 Version 6 6 Component Information AudioCodes Gateway Version AudioCodes Gateway Version GW Vendor AudioCodes Models Mediant 500 MSBR Mediant 800 Gateway 8 E SBC Mediant 1000B Gateway 8 E SBC Mediant 2000 Gateway Mediant 3000 Gateway 8 E SBC Software Version SIP 6 60A or later Protocol PRI BRI to PSTN SIP TCP or TLS to Lync Server Additional Notes None Microsoft Lync Server 2013 Version Microsoft Lync Server 2013 Version Vendor Microsoft Model Microsoft Lyn
41. he procedure below describes how to configure the Network Time Protocol NTP server This is important for maintaining the correct time and date on the Enhanced Gateway by synchronizing it with a third party NTP server This ensures that the Enhanced Gateway has the same date and time as the Certification Authority CA discussed later in Section 4 3 4 on page 21 gt To configure the NTP server 1 Open the Application Settings page Configuration tab gt System menu gt Application Settings Figure 4 8 Application Settings Page NTP Settings NTP Server DN IP 10 198 210 62 NTF UTC Offset Hours Minutes U NTP Updated Interval Hours 24 Minutes 0 NTP Secondary Server IP Day Light Saving Time Day Light Saving Time Disable DST Mode Day of year Start Time Jan 01 End Time Jan 01 Offset min Day of Month Start Jan sunday Day of Month End Jan Sunday 2 Inthe NTP Server IP Address field enter the IP address of the NTP server 3 Click Submit to apply your changes On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Microsoft Lync Server 2013 22 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 3 3 Configuring the DNS Server The procedure below describes how to configure the IP address of the Domain Name System DNS servers This is required if the Mediation server is configured with an FADN in which case the DNS
42. i e E1 T1 or BRI trunks connected to the Enhanced Gateway 4 9 1 Enabling Trunks To enable trunks you need to assign them to Trunk Groups as described below gt To enable trunks 1 Open the Trunk Group Table page Configuration tab gt VolP menu gt GW and IP to IP gt Trunk Group gt Trunk Group Figure 4 26 Trunk Group Table Page submit 2 In the Module column select the module number and type e g PRI on which the trunks are located 3 Inthe From Trunk and To Trunk columns select the physical trunk range In the Channel s column enter the B channels e g 1 31 that you want to enable 5 In the Phone Number column enter the phone number e g 1000 for the first channel phone numbers 1001 1002 1003 and so on are seguentially assigned to subseguent channels Note that these numbers are used internally 6 Inthe Trunk Group ID column enter the ID for the Trunk Group 7 Click Submit to apply your changes 8 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Version 6 6 39 Enhanced Gateway Fa VT A AudioCodes Enhanced Gateway 4 9 2 Configuring the Channel Select Method Once you have enabled the trunks and assigned them to Trunk Groups you need to configure the method for which IP to Tel calls are assigned to channels within the Trunk Group gt To configure the channel select mode 1 Open the Trunk Group Settings page C
43. iguration Reset Board _ Burn To FLASH Graceful Option LOCK UNLOCK Lock Graceful Option Gateway Operational State v Save Configuration Burn To FLASH 5 Maintain the cabled connection between the gateway s LAN port and the computer Version 6 6 13 Enhanced Gateway ra A AudioCodes Enhanced Gateway Reader s Notes Microsoft Lync Server 2013 14 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 Configuring the Enhanced Gateway This section provides step by step procedures for configuring the Enhanced Gateway for scenarios where itis used only for connecting the Microsoft Lync environment to the PSTN network The configuration steps described in this section are pertormed through the embedded Web server Web interface of the Enhanced Gateway The gateway must be installed with a Software License that includes the following items Microsoft Security RIP SIP For more information about the Software License contact your AudioCodes representative The Gateway must be installed with SIP firmware version 6 6 or later This configuration of the Enhanced Gateway is relevant for both Microsoft Lync 2013 and Microsoft Lync 2010 Version 6 6 15 Enhanced Gateway ra A AudioCodes Enhanced Gateway The steps for configuring the Enhanced Gateway are summarized in the flowchart below Figure 4 1 Summary of Steps for Configuring Enhance
44. ioCodes In the Navigation tree select Lync Server 2013 gt Site name i e AudioCodes gt Shared Components gt PSTN Gateways Right click the PSTN gateways folder and then in the pop up dialog choose New IP PSTN Gateway as shown below Figure A 5 Choosing New IP PSTN Gateway T Lync Server 2013 Topology Builder File Action Help Lyne Server The properties for this item are not available for editing E E AudioCodes E g Lync Server 2010 E m Lync Server 2013 E Standard Edition Front End Servers Enterprise Edition Front End pools Director pools gg Mediation pools g Persistent Chat pools Edge pools Trusted application servers E 4g Shared Components E SOL Server stores E g File stores L PSTN gatewa pper LL GWLiLym Es al coltilync1 T4Define a new IP PSTN gateway Fg Trunks rr H g Office Web A EE Branch sites Version 6 6 55 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway The following dialog box appears Figure A 6 Define New IP PSTN Gateway 6 Define the PSTN Gateway FODN TS Define New IP PSTN Gateway Define the fully qualified domain name FQDN for the PSTN gateway FODM ACGW L ilync15 local In the FQDN field enter the Fully Qualified Domain Name FQDN of the Gateway e g ACGW1 ilync15 local this FQDN should be updated in the relevant DNS record and then click Next the Define the IP address screen is display
45. le for Host Names and Profiles Disable kd Always Use Proxy Disable r Redundant Routing Mode ODO Proxy YT FA SIP ReRouting Mode Standard Mode TY Enable Registration Disable a From the Use Default Proxy drop down list select Yes to enable the Mediation server to serve as a proxy server b From the Redundant Routing Mode drop down list select Proxy This setting ensures that if a SIP 5xx message is received in response to an INVITE message sent to the primary proxy i e Mediation server the Enhanced Gateway re sends it to the redundant proxy i e next Mediation server To configure alternative routing upon receipt of a SIP 503 response as required by Microsoft Lync see Step 3 c Click Submit d On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Version 6 6 17 Enhanced Gateway ra A AudioC odes Enhanced Gateway 2 Click the Proxy Set Table button to open the Proxy Sets Table page Figure 4 3 Proxy Sets Table Page Proxy Set ID TY v A a Inthe Proxy Address fields configure all Mediation server IP addresses or FQDN s with which the Enhanced Gateway is required to work If you configured the Mediation server address as an FADN ensure that you configure the DNS server see Section 4 3 2 on page 23 b Inthe Transport Type drop down list select the transport type TLS or TCP for these proxies For more information on the TLS and TCP transport typ
46. nced Gateway resets and your settings are saved to the flash memory Microsoft Lync Server 2013 32 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 46 Step 6 Configuring Voice Coders with Silence Suppression The Enhanced Gateway communicates with the Mediation server using either the G 711 A law or G 711 u law Mu Law voice coder In addition silence suppression can be enabled per coder which is recommended for improving the performance of the Mediation server The procedure below shows how you can change the default coder gt To configure the voice coder and silence suppression 1 Open the Coders page Configuration tab gt VoIP menu gt Coders And Profiles gt Coders Figure 4 20 Coders Table Page lae Vaal Melani Packetization nate Payload Silence Time Type Suppression G 11A law E lt Submit 2 From the Coder Name drop down list select the required coder 3 From the Silence Suppression drop down list select Enable 4 Click Submit 5 On the toolbar click Burn to save the certificates to the Enhanced Gateway flash memory Version 6 6 33 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 4 7 Step 7 Configuring Comfort Noise and Gain Control The Microsoft Lync network provides high voice quality by implementing suppression of typing noise during calls and improved generation of comfort noise which reduces hissing and smoothes over the
47. ne the access code for international calls e g 011 for the US the country code e g 44 for the UK the area code e g 1483 and then a 6 digit telephone number e g 829827 Lync translates normalizes the phone number into an E 164 number format 441483829827 where 44 is the country code 1483 the area code 829827 the phone number The Manipulation table is configured to remove the first digit e g and add the external line digit e g 9 and the access code for international calls e g 011 for the US as the prefix Therefore the Enhanced Gateway sends the number 9011441483829827 to the PBX and the PBX in turn sends the number 011441483829827 to the PSTN 49 Enhanced Gateway Fa w A AudioCodes Enhanced Gateway The configuration of the above scenarios is shown in the Figure 4 32 Figure 4 32 Destination Phone Number Manipulation Table for IP gt Tel Calls Add Index Destination Source Prefix Source P Source Host Destination Host Prefix to Add Suffix to Add Prefix Address Prefix Prefix 1 1206333 z 2 206 ji ki 9 3 1 g 4 s a 9011 Page of 1 Show 10 records per page View 1 4of4 4 10 1 2 Modifying PBX Local and National Calls to E 164 Format for Inbound Calls Inbound calls refer to calls received by Lync clients from the PBX PSTN 1 Local Calls from the PBX PSTN The PBX user only dials a 4 digit extension number of the Lync client e g 1220 Th
48. ng the local ringback tone From the Forking Handling Mode drop down list select Sequential handling The PSTN Gateway re opens the stream according to subsequently received 18x responses with SDP or plays a ringback tone if 180 response without SDP is received Click Submit to apply your changes Open the Advanced Parameters page Configuration tab gt VoIP menu gt SIP Definitions gt Advanced Parameters 37 Enhanced Gateway 7a E A AudioCodes Enhanced Gateway Figure 4 25 Advanced Parameters Page Basic Parameter List Debug Level 0 TY A x Misc Parameters Progress Indicator to IP Mot Configured YT Enable X Channel Header Disable Enable Early 183 Enable FA Enable Busy Out Disable Graceful Busy Out Timeout sec m Default Release Cause 3 Max Number of Active Calls 800 0 Max Call Duration min D Enable LAN Watchdog Disable TY Enable Calls Cut Through Digable F Enable User Information Usage Disable Out Of Service Behavior Reorder Tone Delay After Reset sec 7 M a submit 7 From the Enable Early 183 drop down list select Enable Click Submit to apply your changes 9 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory j Microsoft Lync Server 2013 38 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 9 Step 9 Configuring PSTN Trunks This section describes how to configure PRI
49. nks can operate with E1 or T1 trunks If the trunk can t be stopped because it provides the clock assuming the Enhanced Gateway is synchronized with the E1 T1 clock assign a different E1 T1 trunk to provide the clock or enable TDM Bus PSTN Auto Clock in the TDM Bus Settings page see Section 4 9 5 on page 44 To delete a previously configured trunk set the parameter Protocol Type to None b From the Clock Master drop down list select the trunk s clock source Recovered clock source is recovered from the trunk Generated clock source is provided by the internal TDM bus clock source according to the parameter TDM Bus Clock Source see Section 4 9 5 on page 44 c From the Line Code drop down list select the line code B8ZS bipolar 8 zero substitution for T1 trunks only HDB3 high density bipolar 3 for E1 trunks only AMI for E1 and T1 d From the Framing Method drop down list select the required framing method For E1 trunks always set this parameter to Extended Super Frame e To configure whether the trunk is connected to the PBX is User or Network side from the ISDN Termination drop down list select User side or Network side 5 Continue configuring the trunk according to your requirements When you have completed configuration click the Apply Trunk Settings button to apply the changes to the selected trunk 7 On the toolbar click Burn to save the changes to the Enhanced Gat
50. nloads Copyright 2013 AudioCodes Ltd All rights reserved This document is subject to change without notice Date Published September 08 2013 Trademarks AudioCodes AC AudioCoded Ardito CTI2 CTl CTI Squared HD VoIP HD VoIP Sounds Better InTouch IPmedia Mediant MediaPack NetCoder Netrake Nuera Open Solutions Network OSN Stretto TrunkPack VMAS VoicePacketizer VolPerfect VolPerfectHD What s Inside Matters Your Gateway To VolP and 3GX are trademarks or registered trademarks of AudioCodes Limited All other products or trademarks are property of their respective owners Product specifications are subject to change without notice WEEE EU Directive Pursuant to the WEEE EU Directive electronic and electrical waste must not be disposed of with unsorted waste Please contact your local recycling authority for disposal of this product Customer Support Customer technical support and service are generally provided by AudioCodes Distributors Partners and Resellers from whom the product was purchased For technical support for products purchased directly from AudioCodes or for customers subscribed to AudioCodes Customer Technical Support ACTS contact support audiocodes com Abbreviations and Terminology Each abbreviation unless widely used is spelled out in full when first used Documentation Feedback AudioCodes continually strives to produce high quality documentation If you have any comments Sug
51. on server When using TLS you also need to configure the Enhanced Gateway with a certificate for authentication during the TLS handshake with the Mediation server Enabling TLS and Defining TLS Port The procedure below describes how to enable TLS and configure the Enhanced Gateway ports used for TLS gt To enable TLS and configure TLS ports 1 Open the SIP General Parameters page Configuration tab gt VoIP menu gt SIP Definitions gt General Parameters Figure 4 7 SIP General Parameters Page Basic Parameter List a Detect Fax on Answer Tone Initiate T 38 on Preamble TY A SIP Transport Type TLS TY SIP UDP Local Port 5060 SIP TCP Local Port 5060 SIP TLS Local Port 5067 Enable SIPS Disable TY Enable TCF Connection Reuse Enable TY TCP Timeout SIP Destination Port 5067 Use user phone in SIP URL Yes TY Use user phone in From Header No YT A Submit 2 From the SIP Transport Type drop down list select TLS 3 Inthe SIP TLS Local Port enter 5067 This port corresponds to the Mediation server TLS transmitting port configuration 4 Inthe SIP Destination Port enter 5067 This port corresponds to the Mediation server TLS listening port configuration 5 Click Submit to apply your settings 6 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Version 6 6 21 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway 4 3 2 Configuring the NTP Server T
52. onfiguration tab gt VoIP menu gt GW and IP to IP gt Trunk Group gt Trunk Group Settings Figure 4 27 Trunk Group Settings Page Basic Parameter List a gt E Serving Trunk Registration IF Group ID Channel Select Mode Made crate Gateway Name Contact User I Cyclic Ascending Don t Register 3 2 C 7 E y z Submit 2 Inthe Trunk Group ID column enter the Trunk Group ID that you want to configure 3 From the Channel Select Mode drop down list select the method for which IP to Tel calls are assigned to channels pertaining to the Trunk Group i e Cyclic Ascending 4 From the Registration Mode drop down list select Don t Register 5 Click Submit to apply your changes 6 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Microsoft Lync Server 2013 40 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 9 3 Configuring IP to Trunk Group Routing The procedure below describes how to configure an IP to Trunk Group routing rule whereby all calls from the Mediation server to any destination phone number is routed to Trunk Group 1 that you configured in Section 4 9 1 on page 39 gt To configure an IP to Trunk Group routing rule 1 Open the Inbound IP Routing Table page Configuration tab gt VoIP menu gt GW and IP to IP gt Routing gt IP to Trunk Group Routing Figure 4 28 Inbound IP Routing Table Page
53. onfiguring TCP Transport Type TCP provides unencrypted SIP signaling between the Enhanced Gateway and Mediation server The procedure below describes how to configure the SIP TCP transport type Note Microsoft does not recommend implementing TCP for the SIP transport type between the Enhanced Gateway and the Mediation server gt Toset SIP transport type to TCP 1 Open the SIP General Parameters page Configuration tab gt VoIP menu gt SIP Definitions gt General Parameters Figure 4 18 SIP General Parameters Page x SIP General NAT IP Address PRACK Mode Channel Select Mode Enable Early Media 183 Message Behavior Session Expires Time Minimum Session Expires Session Expires Method Asserted Identity Mode Fax Signaling Method Detect Fax on Answer Tone SIP Transport Type SIP UDP Local Port SIP TCP Local Port 2 From the SIP Transport Type drop down list select TCP 0 0 0 0 Supported Cyclic Ascending Disable Progress 0 90 Re INVITE Disabled Mo Fax Initiate T 38 on Preamble TCP 5050 Basic Parameter List 117 V Submit 3 In the SIP TCP Local Port field enter the same Gateway TCP listening port number that was configured on the Topology Builder for the gateway Click Submit to apply your changes 5 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory Microsoft Lync Server 2013 30 Document LTRT 40133 Configuration N
54. ote 4 Configuring the Enhanced Gateway 4 5 Step 5 Configuring Secure Real Time Transport Protocol If you configure TLS as the SIP transport type between the Enhanced Gateway and Mediation server it is recommended to enable Secure RTP SRTP encryption and set its mode of operation to one of the following and that which matches the SRTP supported at the Mediation server m Preferable default The Enhanced Gateway initiates encrypted calls However if negotiation of the cipher suite fails an unencrypted call is established Incoming calls that don t include encryption information are accepted This option is not supported by the Mediation server H Mandatory The Enhanced Gateway initiates encrypted calls however if negotiation of the cipher suite fails the call is terminated Incoming calls that don t include encryption information are rejected H Preferable Single Media The PSTN Gateway sends SDP with a single media m line only e g m audio 6000 RTP AVP 8 0 101 with RTP AVP and crypto keys The remote SIP user agent UA can respond with SRTP or RTP parameters e Ifthe Mediation Server does not support SRTP it uses RTP and ignores the crypto lines e Ifthe PSTN Gateway receives an SDP offer with a single media it responds with SRTP RTP SAVP if the Media Security parameter is set to Enable If SRTP is not supported i e Media Security is set to Disabled it responds with RTP Version 6 6 31 Enhanced Ga
55. phone number into an E 164 number format 12063331212 where 1 is the country code 206 the local area code and 333 the PBX prefix number The Manipulation table is configured to send only the last four digits to the PBX i e 1212 National Calls to the Same Area Code The caller dials 9 for an external line and then dials a 7 digit telephone number e g 9 555 4321 Lync translates normalizes the phone number into an E 164 number format 12065554321 where 1 is the country code 206 the local area code 5554321 the phone number The Manipulation table is configured to remove strip the first five digits and add 9 as a prefix to the remaining number Therefore the Enhanced Gateway sends the number 95554321 to the PBX and then the PBX sends the number 5554321 to the PSTN National Calls to a Different Area Code The caller dials 9 for an external line the out of area code and then a 7 digit telephone number e g 9 503 331 1425 Lync translates normalizes the phone number into an E 164 number format 15033311425 where 1 is the international code 503 the out of area code 3311425 the phone number The Manipulation table is configured to remove strip the first two digits i e 1 then add 9 as a prefix to the remaining number Therefore the Enhanced Gateway sends the number 95033311425 to the PBX and then the PBX sends the number 5033311425 to the PSTN Dialing International Calls The caller dials 9 for an external li
56. removed until the associated PSTN gateway is removed In the Listening Port for IP PSTN gateway field type the listening port that the Gateway uses for SIP messages from the Mediation Server that will be associated with the root trunk of the PSTN gateway i e 5067 In the SIP Transport Protocol field select the transport type i e TLS that the trunk uses In the Associated Mediation Server field select the Mediation Server pool to associate with the root trunk of this PSTN Gateway In the Associated Mediation Server port type the listening port that the Mediation Server will use for SIP messages from the Gateway i e 5067 Click Finish 57 Enhanced Gateway Fa l A AudioCodes Enhanced Gateway The Gateway is added as a PSTN Gateway and a trunk is created as shown below Figure A 9 Gateway Added as an IP PSTN Gateway and Trunk created NS Lync Server 2013 Topology Builder File Action Help E Lync Server E AudioCodes Trunk gg Lync Server 2010 Lync Server 2013 Trunk name ACGW1 ilync15 local El E Standard Edition Front End Servers i FEis ilync15 local PSTN gateway ACGW L ilync15 local AudioCodes 5g Enterprise Edition Front End pools Listening port 5067 vtl SIP Transport Protocol TLS El Fg Mediation pools KS 1 A Ga FE15 ilyn c15 local Mediation Server FE1S ilync15 local AudioCodes a Persistent Chat pools Mediation Server port 5067 Fa E
57. rver Deployment Wizard VE ES Lync Server Management Shell PS Lync Server Topology Builder d Microsoft Silverlight M Microsoft SQL Server 2008 Microsoft SOL Server 2012 di Startup Control Panel Devices and Printers Administrative Tools k Help and Support Run Windows Security Search programs and files I Log off Version 6 6 53 Enhanced Gateway cd AudioCodes Enhanced Gateway The Topology Builder screen is displayed Figure A 2 Topology Builder Options te Topology Builder RI Welcome to Topology Builder Select the source of the Lync Server topology document G Download Topology from existing deployment 1 nn eee Retrieve a copy of the current topology from the Central Management store and save it as a local file Use this option if you are editing an existing deployment Open Topology from a local file Open an existing Topology Builder file Use this option if you have work in progress C Mew Topology Create a blank topology and save it to a local file Use this option for defining new deployments from scratch Help Cancel 2 Select the Download Topology from existing deployment option and then click OK you are prompted to save the downloaded Topology Figure A 3 Save Topology Te ave Topology As E Administrator Documents Organize Views New Folder sacs aes Name Date modified Type Size Tac Favorit
58. s 1630 2EBBAUA certificate reques AnkWAkxexAqogeAgoLEmuch2s Bosmigkcoosr Tak CMC or i Smac4Bjaib R5 TI1 05t57xT9DIHIgSTpAGHOB PkOS HD ar yn ZOUTEGRSVET Lara Hel PACS Fy 0022 o END CERTIFICATE FRESUEST P ir b Certificate Template Web Server Additional Attributes Attributes 1 Submit Done Internet Protected Mode Off fy Kits 5 Open the CSR file certreg txt that you created and saved in Section 4 3 4 1 on page 24 and then copy its contents to the Saved Request text box 6 From the Certificate Template drop down list select Web Server 7 Click Submit the Certificate Issued Page is displayed Figure 4 15 Certificate Issued Page Certificate Issued The certificate you requested was issued to you DER encoded or Base 64 encoded m Download certificate Download certificate chain 8 Select the Base 64 encoded option 9 Click the Download CA certificate link and then save the file with the name gateway cer in a folder on your PC 10 Navigate once again to the certificate server at http lt certificate server address gt certsrv Version 6 6 27 Enhanced Gateway 3 AudioCodes Enhanced Gateway 11 Click the Download a CA certificate certificate chain or CRL link the Download a CA Certificate Certificate Chain or CRL page appears Figure 4 16 Download a CA Certificate Certificate Chain or CRL aka A Microsoft Certifica
59. te Services Microsoft Internet Explorer 2 8 x File Edit View Favorites Tools Help ay j Q Back x ERA Je Search Tg Favorites x 5 v Fel 3 Address a http 10 15 4 201 certsrv certcarc asp g Go Links Microsoft Certificate Services Demolab Download a CA Certificate Certificate Chain or CRL To trust certificates issued from this certification authority install this CA certificate chain To download a CA certificate certificate chain or CRL select the certificate and encoding method CA certificate Encoding method DER C Base 64 Download CA certificate Download CA certificate chain Download latest base CRL Ca i interme 12 Under the Encoding method group select the Base 64 option 13 Click the Download CA certificate link and then save the file with the name certroot cer in a folder on your PC Microsoft Lync Server 2013 28 Document LTRT 40133 Configuration Note 4 Configuring the Enhanced Gateway 4 3 4 3 Loading Microsoft CA and Trusted Root Certificates to Enhanced Gateway Once you have obtained the CA and trusted root certificates from Microsoft you need to load these two certificates to the Enhanced Gateway gt To load certificates to the Enhanced Gateway 1 Open the Certificates Signing Request page Configuration tab gt System menu gt Certificates Figure 4 17 Certificates Page Uploading Certificate x Upload certificate files
60. teeta ann tn t gi ai v i set 24 Figure 4 11 Microsoft Certificate Services Web Page Sm Mmm mm m T 25 Figure 4 12 Request a Certificate Page aaaaaaaununuuaaaaaaaaaauaaaaannununanaaaanunununananauuuuuaanananuunuaaaananananna 26 Figure 4 13 Advanced Certificate Request Page aaaaaaavaaaaaaaaaaaanaaaaaaaaaaaaaaaaanaaaanaananannnnananannaaaaaanaa 20 Figure 4 14 Submit a Certificate Request or Renewal MN E aeanencar Figure 4 15 Certificate Issued Page naaaaaaanaaaaaaaaaaaaanannasannnnnnannnnnnannunnnnnannnnnnnnnnnnnnnnnnnnnnaannnnnnnannnna V Figure 4 16 Download a CA Certificate Certificate Chain or CRL Page k lma jaa ii Figure 4 17 Certificates Page Uploading Certificate niiiiaaaaaaaaaananannnsnsssssnnnnannnnnnnnnnnnnnnnnnnnna 29 Figure 4 18 SIP General Parameters Page S Vr SR S kajas km 30 Figure 4 19 Media Security Page E EEE TE a E ERT e A 32 Figure 4 20 Coders Table Page eee ere a ce eee kle edule a EE EPE EE E EOE EE 1 Figure 4 21 RTP RTCP Settings Page Ki KD EET isad kik ENET skara Figure 4 22 IPMedia Settings Page ka ka EE EEE EOE APE ETE EET A NE OTA 35 Figure 4 23 SIP General Parameters Page 1 EPELE LE ETEEN ETT E ETT oir Figure 4 24 SIP General Parameters Page 2 2222 aaa aa aaa LEETE E E EA TATEN errr f i Figure 4 25 Advanced Parameters Page
61. teway Fa Vi A AudioCodes Enhanced Gateway gt To configure SRTP 1 Open the Media Security page Configuration tab gt VolP menu gt Media gt Media Security Figure 4 19 Media Security Page Basic Parameter List a General Media Secu rity Settings Media Security Enable Media Security Behavior Preferable Single media Ki Authentication On Transmitted RTP Packets Active Encryption On Transmitted RTP Packets Active Encryption On Transmitted RTCP Packets SRTP Setting Master Key Identifier MEI Size Enable symmetric MKI negotiation SRTP offered Suites Submit 2 From the Media Security drop down list select Enable to enable SRTP 3 From the Media Security Behavior drop down list select one of the following e Mandatory if the Mediation server is configured to SRTP Reguired e Preferable Single media if the Mediation server is configured to SRTP Optional or Disable 4 In the Master Key Identifier MKI Size field enter 1 This configures the size in bytes of the MKI in SRTP Tx packets 5 From the Enable Symmetric MKI Negotiation drop down list select Enable 6 Click Submit to apply your changes 7 On the toolbar click Burn to save the changes to the Enhanced Gateway flash memory 8 On the toolbar from the Device Actions drop down list choose Reset and then in the Maintenance Actions page click the Reset button the Enha
62. ut Enhanced early media support in Microsoft Lync 2013 enables a caller to hear a ringback tone generated by the call recipient s mobile phone This is also the case in team call scenarios where a call is routed to two team members one of whom has configured simultaneous ringing for their mobile device According to Microsoft Lync 2013 reguirements the Enhanced Gateway must send a SIP 183 with SDP response immediately after it receives an INVITE The RTP packets however will not be sent until the Enhanced Gateway receives an ISDN Progress Alerting and Progress Indicator or Connect message For example if the Enhanced Gateway receives ISDN Progress it starts sending RTP packets according to initial negotiation however there is no need to re send the 183 response You may optionally configure the Enhanced Gateway s early media feature to support the Microsoft Lync 2013 enhanced early media feature gt To configure the Early Media feature 1 Open the General Parameters page Configuration tab gt VoIP menu gt SIP Definitions gt General Parameters Figure 4 23 SIP General Parameters Page 1 Basic Parameter list NAT IP Address 0 0 0 0 PRACK Mode Supported YT Channel Select Mode Cyclic Ascending TY Enable Early Media Enable T 183 Message Behavior Progress YT Session Expires Time D Minimum Session Expires 50 Session Expires Method Re INVITE Asserted Identity Mode Disabled YT Fax Signaling Method Mo Fax YT A

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