IP Telephony Engineering Principles
Contents
1. Domain Access Name or IP localhost Address ce is Fields marked are required CIVI FQD Or P m CM tru nk IM Logs update address e SMS FQD or IP leave as localhost 2005 Avaya Inc All Rights Reserved Q algotech Address Maps Y Lis Host Address Map Microsoft Internet Explorer Be ER View Favortes Toos Hep Que Q 030 Pros dem D E A wa Ssh Mb D 99 Cy Button C AVAVA Integrated Management SIP Server Management Help Emit reer 115 0 N0 151 List Host Address Map Izhamoeccs avaya cam pde Delete sip S user 192 168 2 11 5060 trans Adi Another Contert 3 Edit Host Map Entry Microsoft internet Explorer He Edt Wew Favortes Took Hep Qe MAG arras Gee O O A pach 5 tb PO OQ Quyamon O a Edit Host Map Entry Host Izhomeccs avaya com Name krampia Pattern spiel Replace URI El Fields marked are required Media Server Address Maps are not needed for OPS extensions They are needed for non OPS endpoints being routed from SES to CM or MM Host Address Maps can be used to route to 3 9 party proxies for trunking to SIP Service Providers or Session Border Controllers Add a contact with correct Information Add a map pattern using Linux regular expressions e g sip 5 0 9 34 Associate a contact to the map e g Sip user 192 168 0 25 5060 tr ansport udp y u B E NG y DD2. Dialing Rules What number do you dial for an outside line 9 Your country code ea Your area code 732 What number do you dial for long distance la What number do you dial for international calls 01 KO f N When you make a local call itis necessary to Dial your area code Dial Dial number as is N Display confirmation windowbefore dialing a number Setup Profiles select the Profile you wish to use when you login Profile settings are similar to Bandwidth configuration from IP Softphone Used for CODEC advertisement not the physical connection Connection Type e LAN 711mu a 729a and 723 e Cable 729a and 723 e 28 800 or faster 723 only Dialing Rules Voicemail Integration Optional lv Enable voicemail integration To retrieve voicemail Dial the voicemail extension 22000 C Open this am C Go to this web site S Dashboard tb lam Available Y Y PO se hb Communications su k History ss k Contacts hh hh nhi in fit iii Check the box for Enable voicemail integration Enables SIP Softphone to perform a function upon clicking on the voicemail icon while registered Envelope turns bright red when a voice mail is waiting to be picked up
3. Day of Week Start Time Sunday 02 y 00 v O Monday Cl Tuesday v Wednesday DO Thursday O Friday O Saturday Backups are scheduled once per week on each of the days selected All backups begin at the same time OX BB Integrated Management Maintenance Web Pages Under Data Backup Restore Please remember to set automated backups accordingly Also remember to set time and date algotech CM Configuration CM Administration Key Steps a algotech For further info see SIP Support in CM 3 0 Manual 555 245 206 e Check RTU s OPS IP Trunks SIP Trunks e Add Node Names SES Server CLAN e P Network Region Location Location of the SES server Domain Domain of the SES server e SIP Signaling Group Group Type SIP Transport Method TLS Near End Node CM CLAN node name Far End Node SES node name Listen Ports 5061 Far End Domain SES Domain DIMF over IP rtp payload CM Administration Key Step et e SIP Trunk Group Group Type sip Service Type tie e UDP AAR e Route Pattern e Off Premise Station Mapping Station Extension CM OPS extension number Application OPS Phone Number SES Media Server extension number Trunk Selection SIP trunk AAR or ARS Configuration Set if applicable SIP specific config set e Ensure MedPro and CLAN are running the latest firmware a algotech P Network Region IP NETWORK REGION A
4. a algotech Add a User 43 Add User Microsoft Internet Explorer OK Ele Edit View Favorites Tools Help Ld Qa O MAG ks Quem 20508 43 es Psearch O Ep M Q OG My Button Y Password Default Profile Extensions Emergency Contacts Hosts Media Servers Services Server Configuration IM Logs 8 Export Import to ProVision Integrated Management SIP Server Management Add User Primary Handle User ID Password Confirm Password Host First Name mi Last Name Address 1 Address 2 Office City State Country Zip Add Media Server Extension Fields marked are required B internet Primary handle should be unique identifier comparable to email handle User ID can be left blank it will default to Primary handle Password 6 characters or more since IP Phones can only enter numerical password set accordingly SIP Softphone password can be alphanumeric First name last name required Default Profile will populate address field although only 1 default profile allowed Check Add Media Server extension to associate handle with CM station e algotech Add a Media Server Extension p Add Media Server Extension Microsoft Internet Explorer File Edit View Favorites Tools Help QO pak x 12 fn Er K Faoite Pre O Ar SALA ZE seJ seach OA B 0 00 Oy but O e Extension should be same as In
5. a algotech IP Telephony Engineering Principles Agenda Network Region Design P Telephone Operation QOS across the Enterprise Bandwiath Considerations Call Admission Control Media Encryption IP Trunking amp PSTN Fallback pa IT LM Y le A a ik B if Ji UT Wa N nm TI ar mM Al i IMA AN Mus FT TA NIA WM bani D me a LI MN r A i UA LE NM jii e algotech TNR N Y bid LOS ES mnm 2 L2 2E hi piti e A EO on hdi iwal adi Ded et ical IP Telephony WAN deployment Typ Sample IP Connectivity and FAA YT C LAN signaling Media Processor m voice stream PSTN DSP farm Y ag a gar Integrated C LAN C PSTN amp Medpro nd e a algotech TN Gateway IP Interfaces IPSI Card IP Server Interface Card Provides Control Interface for MG eDelivers Tone and Call Classifications Resources C LAN Control LAN card e Handles signaling for IP Phones and Trunks e Handles signaling for Adjuncts Audix CMS Allows Remote Administration Dedicated resource design to 300 sessions MedPro Card Media Processor Card Converts TDM based media in IP based e Supports Codecs G 711 G 729 G 723 e Supports from 32 to 64 simultaneous sessions e Dynamically allocated resource Q algotech H 323v2 Protocol Stack Audio Video Control Data Audio Video Copi
6. UDP 2048 65535 configurable Media Gateways H 248 TCP 2945 Port networks classic media gateways TCP 5010 Q algotech QoS Requirements Delay one way between endpoints TU spec is 150ms or less Avaya recommends 80ms or less for business quality audio Delay over 150ms could be acceptable depending on customer expectations codec etc Delay over 250ms causes talk over problems Jitter variation in delay Less than 20ms recommended Defaults can handle up to 30ms dependent on sampling rate Packet loss e ess than 1 recommended d RSVP Resource reSerVation Bises e RSVP Is a QoS signaling protocol e RSVP Integrated Services provides protection for the voice bearer channel in a loaded or congested network e P Phones Gateways request the network routers to reserve bandwidth e Routers act upon the request to allocate bandwidth according to QoS request e When bandwidth is reserved the call is protected against other network traffic e This ensures good voice quality for the users RSVP In action aicotech Non RS VP IP Phone LAN ea LL Ethernet X RSVP Es IP Phone Non RSVP P Phone WAN Ethernet Dog ET NU Network traffic generator Network traffic generator 1 RSVP enabled phone call is established 2 RSVP disabled phone call is established 3 When the network is loaded
7. m if x rr hi Tal i PN 1 ry Wi ke aye la F CN AE d aug Tm a a Fr m tie A co hoe a a Ta 1 NR Design without Ghost Baier Location 1 NR 1 Controlling 58700 IP Connect and 100 IP Telephones The WAN link speeds for NR 2 and 3 are misrepresented by the CAC values Location 3 NR3 G350 MG with LSP and 25 IP Telephones Location 2 NR2 G700 MG with LSP and 50 IP Telephones aom mm wm Q algotech Ghost Regions e n order to correctly define the WAN link for each site a Ghost Region is configured so the CAC values are correct All 3 of our Network Regions in the previous example would directly connect to the Ghost Region e The interconnection from NR 1 to NR 2 would intervene through the Ghost Region Byusing the Ghost Region configuration the CAC bandwidth limits would be correctly defined for the actual WAN link and prevent over subscription NR Design with Ghost Redappec Location 1 NR 1 Controlling 58700 IP Connect and 100 IP Telephones Location 3 NR3 G350 MG with LSP and 25 IP Telephones Location 2 NR2 G700 MG with LSP and 50 IP Telephones 1024 512K The MPLS WAN is now represented by NR 5 in Communication Manager and the topology is correctly depicted by the CAC values Administration of GR Inter Network Region Connection Nanagement codec direct Dunamic CAC set IA BAN Bil limits Intervening regions Gateway Psst Im3I E 1544 kbit
8. Esc n Next Pg Esc h Help Esc r Hefreshl 7 This IS required for CM to resolve alphanumberic sip URIs a algotech Station form page 1 Extension 5093 Type 4618 Port i Hame Test SIF STATION OPTIONS Loss Group Speakerphone Display Language Survivable GE Hode Hame ATA A COR Survivable Trunk Dest ESC x Cancel Esc e 5ubmit l ATION Lock Messages Security Code 123456 Coverage Path 1 Coverage Path Hunt to Station ful M M S 19 Personalized Hinging Pattern 1 Message Lamp Ext 56003 Way Mute Hutton Enabled y english internal Media Complex Ext LT IP SoftPhone IP Video Softphone un Ezc p Preu Pq Esc n Hext Pg Ezc h Help Esc _r Hefresh Type should be any 46XX IP A DCP station type should NOT be used for a SIP OPS station If bridging is used for that station and the CM system has TTI enabled corruption can occur Message Lamp needs to be correct Q algotech Station form page 3 e Accept the default of 3 Call Appr f being used for SI P Softphone the number of apperances should be set to 5 e No other changes need to be made e Advanced SIP Telephony Features require administration of each used feature as a button on the OPS station form a algotecn off pbx telephone station mapping Page 1 of 2 3 p onfiguration P ct H ct LLLLELELELELEL GS Qu Fy MAMMA 1 FF chang
9. SIP is selected from the keypad MUTE 744 or by the type of 46xxsettings txt file e TFTP HTTP and HTTPS are supported for file downloads e CODECS supported G 711 mu a All Avaya SIP Phones G 729B SIP Softphone Only G 729A 46xx SIP phones Only Dial Plan example a 2 4 xxx 68 xxx 9ZXXXXXXXXXXX 2 4 xxx Four digit dial extensions with valid extensions starting with 2 3 or 4 68 xxx Four digit dial extensions with valid extensions starting with 6 or 8 9Z11XXXXXXXXXX Network Access Code 9 for an outside line followed by dial tone followed by any string of 11 digits typical instance of Automatic Route Selection ARS in the US Avaya SIP Softphone R2 1 Avaya SIP Softphone R2 1 e Avaya SIP Softphone is a generic SIP endpoint with extras Enhanced Conferencing features Additional CM based features such as Priority Call Call Forwarding and other AST features described in slide 78 Implements SIP for telephony IM and presence Network based contact store and access control lists via SES PPM Desktop integration with Microsoft Outlook Lotus Notes LDAP and Microsoft I nternet Explorer Additional Desktop integration capabilities with Microsoft Smart Tags Bluetooth Integration e Continues to expand upon the user interface introduced in SIP Softphone R2 e Supports Road Warrior configuration only No Telecommuter No Shared Control e Can discover config
10. least 1 alphabetic and 1 numeric character Must use the same Passphrase on the Near end and Far end signalling group forms The Passphrase is used to 3DES encrypt the key material prior to transmission to the other end c f station security code PI N e Media Encryption selection is still controlled by the administration of the near end and far end ip codec sets for the specific network regions 498 Belgrade e algotech QGA Bratislava Bucharest Budapest Prague Warsaw a algotech SIP Enablement Services Basic Administration Agenda SIP Hardware Configurations Building the Solution SES Configuration CM Configuration Avaya Endpoints a algotech Q algotech SIP Hardware S8500A can be upgraded to SES 3 x x S8500B can only run SES 3 x x and later S8500C can only run SES 3 1 1 and later In a duplex configuration both servers must be the same hardware platform The overall system can consist of a mixture of hardware platform types Communication Manager used as a Feature Server for SIP endpoints 1 a algotech Avaya SIP Enablement Services Evolutionary nath st ards based Converged Communications Service Provider Public Network Untrusted Border Private Network Element Trusted Communication Manager sip example com SIP Services 4 O SIP CM Features Gateways Feature Server 3 Party SIP S
11. limit in CM e Shared with other apps Spectel CTI etc e SES redundancy also counts towards TLS connection total Max SIP Trunks S87xx 5 000 58700HP 4000 58500 800 58300 450 Maximum concurrent SI P call legs SIP to SIP call 2 SIP call legs SES CM and CM SES SIP to anything else TDM H 323 etc 1 SIP call leg SES CM SIP OPS stations Same as max station limit on CM 36k on S87xx SIP trunks are a bottleneck limiting maximum simultaneous active SI P endpoints limiting practical number of SIP OPS stations per CM Building The Solution Building the Solution A aicorecr e Basic Solution Components Setup and config SES Setup and config CM Setup and config DHCP Server optional e Option 176 Setup and config TFTP HTTP HTTPS server s required e 46xxsettings txt This file is required for a 46xx SIP phone to boot and register properly SES Configuration SES Administration Key Steps a algotech e Default Profile Location demographic information e Host Host Admin Host Address Map Host Contact e Media Server Media Server Admin e User Handle Media Server Extension e Set time date and timezone e Install license and authentication files e Schedule system backups e Enable RSA watchdog on x305 platform e Test INADS connectivity ensure that on duplex servers the modem number of rings has been modified to ensure the primary server answer
12. loss on sore or all calls configurable by network region Real time view or Historical up to 30 days at this time Search by extension number time range or P address Configurable SNMP traps for different combinations or jitter delay and or packet loss thresholds e What do get out of it Baseline What did things look like before or after the change Troubleshoot Comparing different groups of endpoints Proactive Monitoring Be alerted if service falls below a certain level a algotech Vol P Monitoring Manager VMON Enterprise YMON lolx File View Action Tools Window Help CONTE EAN EE Quen Active endpoints b New Query WN 150 500 30 33 Address Phone Number DES 9 559 35 27 56 58 12345 432 0789 IP Telephone 222 Active Data Graph 7 77 IP Telephone 222 135 27 66 181 RSVP status not in use Codec unknown 813532766181972 51 35 27 55 56 135 27 66 181 Bap o 13527 6656 2050 16 57 20 16 57 40 16 58 00 16 58 20 16 58 40 16 59 00 B51 35 27 66 19111 2345 Last Min Avi Max RN OE MoDaa l6 kao ho E Round Trip Time ms tm pdate Period Start Time Nov 13 2001 4 56 18 PM Automatic E E Apply Change E Graph Properties Update Graph Select endpoint s and display Graph Properties p p Endpoint Data Session Data Em a algotech Vol P Monitoring Manager VMON 18 Avaya VolP Monitoring Manager Clien
13. use by the phone H 248 MG already in use by the phone Preferred region and preferred PN TN Media Proces Preferred region in any PN TN Media Processor Preferred PN in any region TN Media Processor Preferred region H 248 MG Any region TN Media Processor Any region H 248 MG Aywioug Buiseai99gq _ CLAN Design ConsideratidAgcoteo e Provide logical mapping from P Telephone NR to CLAN pool regions e Maximum of 300 registered endpoints per CLAN even In failover scenario N 1 e Have at least 2 CLANs for MGC list for max CLAN resiliency use 3 e Maximize operational efficiency by minimizing the number of locations in each pool e Keep it simple or make it manageable Designing for CLANs By locari MA IP Telephones CLAN Resource H 248 Media Resource TN Media Resource Designing for CLANS Logical Pastitig CLAN Resource H 248 Media Resource JTN Media Resource G3 NR 202 a algotech CLAN Pooling e More Granular Registration 3 e CLANSs registrations will not be Control 1 balanced across network e Better Trouble Isolation regions e Better recovery control i Need more CLANS Greater flexibility in the 1 Greater operational complexity 3 application of network policy 4 Operational changes may E E require re design ng o ng m PA hs mico orm 3l Pa LUE La pem MUT BAL ee Ce 7 8 it E ri i mu Hija apea pur d E e y hs A M 1 y ri md
14. 245 CCMS Signaling Channel Phase a algotech Communication Manager IP Station Signaling H 225 RAS Registration Fa Admissions Status DCP Call Control C LAN tunneled over H 323 H 323 Call Control H 245 Media Control Audio Path UDP Alternate Gatekeeper aigorech Works similarly for 7 A y H 248 controlled Upon first boot a telephone registers with a C LAN that it has received via DHCP The phone tries to register with the The CLAN tells the second GK on the list phones about the alternate gatekeepers available to the phone if that isn t available it H When the first re registration continues looking PIN message is missed the phone through the list until it A oc accelerates the rate of successfully finds a MA NE sending those message until GK xivivi ivi PEE X consecutive messages are missed at which point 1 Avaya IP Telephone Use of Galerie List P Telephone looks at DHCP list and then the RAS list received from Communication Manager software to look for Alternate Gatekeeper addresses IP Telephone cannot register with LSP until an H 248 MG registers e P Endpoints now know about 58300 LSP though DHCP or RAS process e Communication Manager provides LSP addresses in RCF based on IP Phone Network Region e Need to administer each LSP that needs to register with 58700 change Isp command e A network region ca
15. 5 Because WAN recovery occurred prior to the timer expiring phone call is re established in progress Timers in Operation Timers Scenario 2 Active shuffled IP call IP Phone 1 to IP Phone 2 1 Wan goes down for 8 minutes 2 During outage gateway KAs expire after 45 seconds primary search time begins on gateway 5 minutes No CLANSs to find within first 5 minutes 3 H 248 link loss timer begins shortly after gateway primary search timer seconds 4 IP Phone KAs also expire after 45 seconds and H 323 link loss timer also begins shortly after gateway primary search timer seconds H 323 Link Loss 6 min H 248 Link Loss 6 min Gateway h 248 App Keep Alive every 14 seconds 45 second retry interval IP Phone TCP KA z every 20 seconds 5 retries 5 seconds each H 323 PST 5 5 min H 248 PST 5 min Timers in Operation Timers Scenario 2 Active shuffled IP call IP Phone 1 to IP Phone 2 5 Gateway primary search timer expires after 5 min gateway moves beyond TP gateway registers to LSP and MGC resets 6 Phone Primary Search Timer expires after 5 5 minutes transitions to LSP T H 248 an H 323 Link Loss timers F expire Resources are liberated H 323 PST 5 5 min on primary call server Calls can H 248 PST 5 min no longer be re instated 8 WAN returns after 8 total minutes Phones now registered to discrete call processors Gateway H 248 App Kee
16. 5 8 70 192 Licensing Server 135 8 70 190 e SIP Softphone will try to find a Proxy and license server through DHCP settings along with other parameters e After initial config the Discover feature is available from Settings gt Server gt Discover SIP Softphone and AGxxsetti fest During initial configuration SIP Softphone will look for Option 176 in the DHCP scope SIP Softphone can obtain information about the SIP server address license server address and LDAP directory by using DHCP and the Discover function to obtain the 46xxsetting txt file used by the IP Telephones SIP Softphone will use the HTTP server address provided in DHCP OPTION 176 to find the 46xxsettings txt file SIP Softphone will then read the following values from that file SIPPROXYSRVR This is the address of the SIP Proxy Registrar WEBLMSRVR This is the address of the Licensing server SP DIRSRVR This is the address of the LDAP server SP DIRSRVRPORT This is the port of the LDAP server SP DIRTOPDN This is the search root of the LDAP server WA algotech Config continued You need to create a profile based on your connection type Please enter a profile name and choose how you are connected when you use the SIP Softphone Profile Name Home Example Home Office Connection Type Cable xDSL or ISDN v You can create multiple profiles later to help you login using different types of connections
17. AN depends on CODEC used e G 711 which produces 64Kbps voice samples e G 729 which produces 8 Kbps voice samples e G 723 1 which produces 6 3 and 5 3 Kbps voice samples Frame size used e G 11 uses 10ms frames 80 bytes e G 729 uses 10ms frames 10 bytes e G 723 uses 30ms frames Number of Frames per packet Protocol Overhead G 711 Analysis e G 711 uses 64Kbps voice samples 64000bps equals 64 bits per ms 64 bits per ms equals 8 bytes per ms e A G 7 11 Frame is 10 ms or 80 bytes e Protocol overhead Uncompressed Real Time Protocol RTP User Datagram Protocol UDP Internet Protocol IP Layer 1 and 2 Ethernet TOTAL algotech 12 Bytes 8 Bytes 20 Bytes 26 Bytes 66 Bytes Q algotech Ethernet Header Breakdown e Ethernet has the following components Preamble and 1 byte start of frame 8 Bytes delimiter Ethernet Type MAC SRC MAC 14 Bytes DST 802 1Q priority and VLAN 4 Bytes algotech Data Network Impact of Active G 711 IP G 711 64Kbps Packet Size Audio Payload Total Packet Size Total Bandwidth Target Delay Number of 10 ms Codec Frame size Packet Size ee Fina plus packet Kbps ms e C Frames per Packet In Total Packet Sze 9n 9 8 o 1 Bandwidth Minimization scxec e Three approaches to minimize bandwidth Choose a low bit rate audio codec Combine multiple audio frames into one packet Suppress transmission of si
18. Keeper Port QoS Parameters 802 1Q 1 DHCP Release VLAN 11 802 1 p 6 TFTP Address 8 Once the phone knows what the voice VLAN is it will boot into that VLAN first Offer IP address in VLAN 11 1 a algotech IP Phone registration Process DHCP Discover Offers IP ADDR Subnet Mask Default Gateway Site Specific Option GateKeeper IP Addr 8 GateKeeper Port QoS Parameters TFTP Address 8 Offer TFTP Get TFTP Puts Boot Code First Time Application Code First Time Config e g QoS TFTP Put Enter Extension Enter Password p Registration Admission Status Validates E 3 Extension Password q Provides H 323 and Feature Functionality Access to medias Feature Functionality DHCP Considerations aigorect e Telephone Firmware 2 1 offers optional use of IP address after lease expires Does not protect against power failure or reboot Based on administrable DHCPSTD parameter DHCPSTD O means Despite the DHCP Standard continue using the current P address after the lease expires but e Send DHCPREQUEST about every minute e Send ARPREQUEST every 5 seconds e f ARP REPLY received
19. Password is validated Server sends a RCF and features to the phone and all relevant timers e Phone sends the supported CODECS and other relevant parameters e Based on the C LAN or the Phone s IP address it is set to a specific Network Region l l a algotech Registration Messages IP Telep one promp S for Extension and Password Endpoint Gatekeeper GRQ GCF GRJ Gatekeeper returns IP registration address to use CLAN Load Spreading RRQ IEEE RCF RRJ Gatekeeper returns Alternate Gatekeeper Addresses URQ UCF URJ ST CLAN Load Spreading Q algotech e Communication Manager sends as the RAS address in the GCF the IP address of a CLAN in the same network region as the CLAN that received the GRQ e Communication Manager software will select the registration address in a cyclical fashion e Use this ability to balance registration across multiple CLANS e P endpoints will accept an address in the GCF and use it for that registration e Balancing only occurs during registration phone does not change CLANs during normal operaion algotech H 323 Signaling Messagi Function Messages Protocol Endpoint Gatekeeper Discovery Registration Phase Register Request Register Confirm SETUP Fasistart OLC OLG OLG CALL PROCEEDING INFO CCMS Feature Initialization H 225 Q 931 CONNECT FastStart OLC NULL INFO CCMS Call Ready Phase H 225 0 931 FAC FastStart OLC H
20. between their most expensive phones and not between gateways and phones LY How Media Encryption Wfkagotech e During establishment of the call signalling channel H 323 Endpoint support for media encryption is specified in H 245 elements e During call setup H 323 Gatekeeper determines media encryption requirements for call c f codec determination e f H 323 Gatekeeper determines that media encryption is to be applied to a call it will specify via H 245 H 235 What encryption algorithm to use What key material to use LY How Media Encryption Wfkagotech e The key material to use is encrypted prior to sending to the H 323 Endpoint The encryption of the key material is done using 3DES The station security code PIN is used as the key for the 3DES encryption e Encryption of the Vol P RTP payload is between P Endpoint Gateway P Endpoint IP Endpoint Gateway Gateway e Media Encryption has NO effect on Voice Quality and NO noticeable effect on delay LY How Media Encryption wea 8500 Se ee Private LAN AES Media Encryption EE l G650 H 248 Link aa IPSI Encryption gt CLAN brocessor E El B E E E y EHEHEHE E Ng Public LAN L Hmmm aa Aa eS Q algotech Supported Platforms e Server CSI Server SI Server R e S8100 58300 58500 58500 58700 e TN2302AP H V3 TN Media Processor and H V11 Cruiser Due to t
21. bps 24 Kbps uum 24 Kbps Quum 24 Kbps emm SS and VAD conserve bandwidth at the price of voice clipping potential A Talking to B Compression of RTP header Codec Payload Packets Avg WAN BW bytes pa sec consumption kbps reduction cket W 0 w compression compression G 711 64 160 50 84 68 5 18 kbps G 729A 8 20 50 27 5 13 53 kbps G 723 1 5 3 20 33 18 9 50 kbps G 723 1 6 3 24 33 19 10 47 kbps Router Considerations a algotech Router Throughput T1 WAN Link 1536K Full duplex loading is What Factor Most m ean pg Greatly Determines X environments but typical for voice Router Performance Typical Data Application Typical VoIP Application Packet size 60 to 1500 bytes Packet size 86 bytes Average 300 bytes m HTEEEEHEEEEEH ELE T T TIT Full T1 1536K 2 300 8 Full T1 1536K 2 86 8 1 280 PPS 4 465 PPS Make Sure Your Routers Can Handle A Greater Number of PPS CRIP MLPPP Significantly More CPU cyles WANs that Contain ATNP 22 e For a G 729 Sample use 30ms samples instead of 20ms more common Packet Rate reduced from 50 to 33 33 PPS Still fits in 2 ATM Cells e Effective ATM bandwidth 2 cells 33 33 PPS 2 53 8 COOL 28 26K Call 33 33 PPS Call Little Known Fact e Advantages Many SP Networks Reduces Router CPU Load including MPLS Still Utilize ATM Close to FR per call bandw
22. e better suited for limits based on number of connections instead of bandwidth Only one codec used between regions use connections Multiple codecs used between regions use bandwidth Silence suppression use connections Q algotech Bandwidth Usage e Bandwidth Usage per call is a function of Codec set e g G 711 G 729 etc Packet size Assumes 7 byte L2 WAN header Bandwidth Usage kbits sec a Alaa Alaa Alaa ID E wy A Coro Jm flan G 11 102 83 74 72 1 G 729 46 2 21 18 16 15 G 723 6 3 NA NA 19 NA NA s G 23 5 3 NA NA 18 NA NA 12 aigotech Additional Bandwidth Considerations e In general bandwidth is used in both directions except for the following one direction only Announcements Music on Hold Firmware download to port boards uses bearer channel from CLAN board to port board e No adjustment in bandwidth made for FAX calls Uses bandwidth as determined when initialing setting up the call e No adjustment for call on hold Bandwidth is reserved e No adjustment made for silence suppression Q algotech When Calls are Blocked via CAC BL e Calls blocked by CAC BL bandwidth limit can be routed to an alternate destination via Hunting Call coverage paths Another trunk group as administered in routing patterns e f blocked call is not routable caller will get reorder tone when possible e No automatic routing of blocked calls via PSTN faciliti
23. e off pbx telephone station mapping 23974 Page 2 of 2 STATIONS WIT JE TH OFF PBX TELEPHONE INTEGRATION y M mit Mode olo uie E a H q x cha off sta nnnnn Station Extension from previous slide Application OPS Phone number media server extension on SES admin should be the same as station extension Trunk selection can be aar ars or trunk id The actual trunk id number could be specified helps for troubleshooting Page 2 set call limit to be same as Session Appearances on Phone default is 2 change to 3 and set Bridged calls to none Configuration set defaults are fine algotech Avaya Endpoints e Avaya SIP Enabled Endpoints 4602 4610 4620 and 4621 Avaya SIP Softphone Avaya IP Softphone v5 2 Avaya IP Agent v6 WA algotech Q algotech 46xx SI P Phones e Avaya R2 2 2 SIP Phones 4602 4610 4620 4621 all supported with SIP firmware version 2 2 2 Equivalent user applications available e g Call Log Speed Dial Web for 4602 10 20 21SW e Refer to the 4602 R 1 1 to 4602 2 2 2 Conversion J ob Aid on Avaya Support or the Anatomy of a Successful Cut websites e One X endpoints will support the SIP protocol in the September release Administration is done via the 46xxsettings txt file and not an individual phone web interface e Hardware Same phone for H 323 and SIP H 323 is the default protocol from the factory Protocol H 323 or
24. ervers amp Applications l Pet HEX J l di MES SIP Endpoints IP Wireless Digital amp Analog Rus m 3 Party SIP Endpoints BEEN Configurations Terminology Edge Homeflkemisecn The SES can be comprised of 3 different configurations of servers e An Edge knows about all users and which Home the users register to speaks to all Homes and an outbound proxy has Master Administrator privileges Only 1 Edge per Domain e The Home is where the client is registered to speaks to the Edge to other Homes through the Edge and to CM Up to 20 Hornes per Edge e A Combo has the functionality of both a Home and an Edge Only 1 Combo in a solution e Each of the above configurations can have a duplicated server option for redundancy TS PIER CM Feature Server Distributed System a algotech Edge and Homes Home Edge Combo CM Feature Server Edge Server SIP Trunks Home S Servers SIP Domain Technical Capacities and Linares SES 3 1 Requires CM 3 x 3 500 users per Combo or Home SES 1GB RAM 6 000 users per Combo or Home SES w High Performance Package HPP is an additional 2GB RAM 3GB total Edge also needs 3GB 1 Edge SES per domain simplex or duplex 3GB RAM Required 20 Home SES s per administrative domain i e avaya com example com etc Edge SES supports 120k BHCC sunny day CM 3 1 16 SES instances max per CM Constrained by max TLS connection
25. ervice Class of Restriction Call Screening Class of Service Codec Preferences Crisis Alert to Digital Pager Controlled Toll Restrictions Dial Plan Expansion Enhanced 911 CAMA Trunk I nterface Extension to Cellular EC500 Find Me Hospitality Controlled Restriction IP Traffic Measurements Manual Signaling Meet Me Conferencing Music on Hold Night Service Outgoing Trunk Queuing Service Observing 3 way Conference 3 Party Added Transfer Recall Trunk Group Hunting Time of Day Routing Uniform Dial Plan Vectoring a algotech Off pbx telephone feature name extensions e These CM features can be integrated into all SIP endpoints in the solution e Configure valid dialable station numbers to each feature e On the SIP endpoint dial the station for the feature you would like to activate e Add individually desired features as Speed Dials on the phone with friendly names e SAC on SAC off CA Telnet 135 9 146 4 England CA Singapore Phoenix Locations hange locations LOCATIONS ARS Prefix 1 Required For iB Digit MANP Calls y Timezone Rule WPA ARS Attd Pre FAC FAC Fix Q algotech O x Page 1 of 16 4 essi Proxy Sel Route Pattern M SIP Trunk Group Route Pattern number his is required when you are routing calls to a domain that is not administered on the ip network region form IESC x Cancel Esc e Submit Esc p Prev Pg
26. es to the desired destination in CM2 0 Alternate routing targeted for Avaya Communication Manager 3 0 release Alternate Routing Scena Select agent No bandwidth Incoming call signaled Answer trunk call in region 2 Answer ACD call Network Region 1 Set up voice path Place trunk call from region 1 to region 2 Network Region 2 Incoming ACD call Dynamic CAC aigorech IP WAN Impared e Dial backup for example e Change CAC Voice paths to PSTN Avaya S8700 Media Server LAN algotech Media Encryption What IS Media Encryption e Encryption of the Vol P RTP bearer e Uses H 235 extensions to H 323 e Encryption capabilities negotiated between H 323 Endpoints and H 323 Gatekeepers e Avaya was the first to offer such security to Vol P customers with AEA Media Encryption e CM2 0 now includes encryption using the Advanced Encryption Standard AES Why AES Media EncryptidA lote e AEA Media Encryption Based upon Avaya patented encryption algorithm e AES Media Encryption AES is currently specified by the IETF as the required encryption algorithm for a new internet standard for secure RTP SRTP SRTP employs AES encryption to encrypt RTP messages Will position Avaya products so that they can quickly transition to SRTP e Some vendors proclaim to be SRTP compliant but in reality they only offer it
27. he algorithmic complexity of AES algorithm a 25 reduction in channel capacity on MM760 and TN Media Processor Cruiser boards will Number of Number of Simultaneous Calls Calls ee result Once again Media Encryption has NO effect on Voice Quality and NO noticeable effect on dela Supported Platforms A 1 e P Telephones 4602 4600 12 20 24 30 AEA Only e P Telephones 4610 20 30 AES and AEA supported e P SoftPhone SoftConsole Agent G350 G700 H 248 Link Encryption must be enabled for media session key exchange Administration o e The Media Encryption feature is controlled by RFA The Media Encryption Over P customer option must be enabled for any Media Encryption features to work e H 323 signalling group Administration Media Encryption must be enabled A Passphrase must be specified e p codec set Administration 3 options aes aea none 1 2 dz 4 5 6 ft p codec set Administrations help F5 cancel esc enter F3 schedule F5 sena return IP Codec Set Audio Silence Frames Packet Codec Suppression Per Pkt Size ms in H 2n in H 2n m i A Media Encryption nonel 1 H 323 signaling group Admini Stroh e Enable y Media Encryption default is disabled n e Specify a Passphrase 8 30 characters Can include amp At
28. idth Call Admission Control Overview of Call Admission Bacar e Provides ability to block Voice over IP VoIP calls that go between IP Network Regions P Network Regions generally interconnected by WAN links WAN links are lower bandwidth facilities P Network Region pairs can be directly connected or indirectly connected via intervening I P Network Regions e Blocking calls when bandwidth is full helps ensure Quality of Service QOS for existing Vol P calls e Applies only to bearer traffic and not to data or signaling traffic from CM or other customer traffic e Does not apply within an IP Network Region Unlimited bandwidth is assumed Offer Considerations aicorecr e Available in ACM 2 0 and later e Supported in Linux platforms 58300 58500 55700 All gateways e One point of administration for system No need to configure individual parameters across routers e Not a substitute for other QOS l e Diffserve 802 1p Q Call Admission Control Functionality e Administer optional bandwidth limits between IP Network Regions e Applies to all Vol P calls between the IP Network Regions for Stations Trunks Port Networks Media Gateways e CM software keeps track of bandwidth used for IP bearer traffic between IP Network Regions direct or indirectly connected Direct use bandwidth on a single link ndirect use bandwidth on multiple links e Attempts to make Vol P co
29. lence Use header compression e Lower bit rate codec can degrade quality and increase processing e Combining multiple audio frames in one packet reduces bandwidth required e Combining multiple audio frames in one packet Increases delay Q algotech Bandwidth for Different Size Voice Size ms G 711 G 729 Default is 20ms which is the recommended setting for most situations e Smaller samples make it less efficient more bandwidth consumed e Larger samples make it more efficient BUT at a cost Increases latency A greater amount of voice is lost if packet loss occurs Ca b OO Y zz Full and Half Duplex Faciliftssoe Full Duplex Transmit and Receive Simultaneously WAN Facilities and Switched Ethernet AND Half Duplex Can Either Transmit or Receive Shared Ethernet OR Al algotech Bandwidth Impact on Full Duplex CODEC TYPE A and B Both Suppress A Suppresses Silence and Neither End Suppresses 30ms Packets Silent SC Iti es Not Silence G 711 A Talking to B A Talking to B A Talking to B 80 Kbps 80 Kbps 80 Kbps 0 Kbps 80 Kbps 80 Kbps Quum B Talking to A B Talking to A B Talking to A O Kbps HE O Kbps gt 80 Kbps gt 80 Kbps umm 80 Kbps Quum 80 Kbps Qum A Talking to B 24 Kbps m G 729 A Talking to B 24 Kbps 24 Kbps 0 Kbps Quum 24 Kbps Quum 24 Kbps umm gt gt B Talking to A B Talking to A B Talking to A O Kbps O Kbps Em 24 K
30. n have up to 6 LSPs 46XX GK Search What tigres phone to search for another GK Idle Traffic Interval Keep Alive Interval Default Settings Idle Traffic Interval 20s Keep Alive Interval 5s Keep Alive Count 5 46XX GK Search H 323 Link Loss Delay Timer ACM ACM Dro np S Alternate 3 Gatekeeper List On hook retry Off hook retry Note In this example the Active Gatekeeper Server has 3 CLANs And 2 LSPs algotech 46XX GK Search Server CLAN IP Telephone TCP KA 20s on 46XX TCP KA TCP ACK 20s on 46XX a TCP KA SI TCP KA pues AW 5s once 18 Server Y TCP KA 7 sin Or Network TCP KA J Is missed TCP KA i maa TCP KA Checks for new GK SA Scenario 2 Active IP call to PSTN 1 Wan goes down for 2 minutes 2 During outage gateway KAs expire after 45 seconds primary search time begins on gateway 3 H 248 link loss timer begins shortly after gateway primary search timer Seconds 4 IP Phone KAs also expire after 45 seconds and H 323 link loss timer also begins shortly after gateway primary search timer seconds H 323 Link Loss 6 min H 248 Link Loss 6 min Gateway h 248 App Keep Alive every 14 seconds 45 second retry interval IP Phone TCP KA z every 20 seconds 5 retries 5 seconds each in Operation Link Revers H 323 PST 5 5 min H 248 PST 5 min
31. nnections that would cause bandwidth limits to be exceeded will be blocked ACM 3 0 is targeted to include Alternate Routing IP Network Regions ConfigurM ans Directly Connected e P Network Regions NR 1 and 2 and 3 are all directly connected Administer bandwidth limits between NR1 and NR2 NR1 and NR3 and NR2 and NR3 NR Westminster NR NR 2 2 Mbits 3 Lincroft Concord a algotech IP Network Regions Configurations e Administer direct ANI irectly Connected NR5 NR1 and NR3 and NR3 and NR4 e Administer intervening regions for all others For example Basking Ridge connects to Highlands Ranch via the link to Lincroft then via the link to Westminster and then via the link to Highlands Ranch e g 5 to 1 to 3 to 4 Only 1 path can be administered NR 2 Concord Basking Ridge Highlands Ranch SS Administration of Call Admi Sae dip s nehwork redior 1 send retur Help 15 cancel esc nest Ei Paste 1 2 3 4 s 6 7 8 9 10 19 rz 13 14 v5 ve 17 16 19 Inter Network Region Connection Management Src dst rgn rgn codec set direct URH WAN BW limits Intervening regions 1 1 1 4 4 4 4 4 1 1 1 4 1 1 4 4 4 3 y HaLimit 2 y 256 Kbits Pa n 16 2 y HaLimit Bandwidth Limits Waste e Bandwidth Limits can be administered in units of Number of connections Kbits second Mbits second No limits e Some networks ar
32. o OUDP TCP OTLS Outbound Direct Domains Default Ringer Default Ringer Cadence Volume Default Receiver ca Default Speaker Volume s Volume VMM Server Address VMM Server ort VMM Report Period 5 Fields marked are required Minimum registration and expiration timer endpoints must use value between these when registerring Outbound Proxy used as a default for calls going outside the domain Homes will set the OP to Edge and the Edge will set OP to the next device such as a Session Border Controller Default Ringer receiver etc and VMM are specific to Toshiba endpoints J apan only O algotech Edit Media Server 43 Edit Media Server Microsoft Internet Explorer e Media Server Interface is a Fle Edit View Favorites Tool Help 18 14 Qax x 12 fn El Ye Favortes Pre O Ar SALA 7S friendly Name 88 0 Psach OMA M E 2 2 QmyButton 2 Integrated Management e LI nk type should be TLS SIP Server Management caia e SIP Trunk IP CLAN or procr Media Server m n mo ac e CM login password should be Hosts Host 135 8 70 192 Force All Link Type OTCP TLS n n Ada SIP Trunk IP mama new static login on CM Media Servers Address e Services CM Login ecs a Server CM Password Configuration ANM CM confirm e Password does not have Password CM FQD Name PANGA CP Address SST Known issue aaa PMS FQD
33. ones have been 802 3af compliant for years Performs phone detection It applies power to the endpoint IP phone using the signaling pairs If the endpoint is removed or the link is interrupted Power Is shut off the detection process starts again 1 Line inquiry 2 Endpoint sends answer 3 Power supply calculation 4 Power opened on port a algotech a algotech Power Consumption Watts IEEE 802 3af 2005 9 45V Class 3 I SH OD Y laba Worst 46 5 0 5 75 6 45 9 42 12 9 Case Typical is measured off hook Worst Case is analytical Except the 4601 and 4602 all telephones had a PC attached at 100Mbps The EU24 adds less than 1W to the 4620 and 4620SW numbers The EU24BL can not be used with POE use the 1151B The 4620SW CR can be identified by the ethernet jacks that point down rather than directly back out of telephone C09V L09F DHCP Process Dual VL Afpisotech Offers IP ADDR Subnet Mask Default Gateway DHCP Discover Offer IP address in VLAN 10 Offers IP ADDR Subnet Mask Default Gateway Site Specific Option 176 GateKeeper IP Addr 8 DHCP Discover ffer IP in VLAN 1 Offer IP address in 0 Gate
34. p Alive every 14 seconds 45 second retry interval H 323 Link Loss 6 min H 248 Link Loss 6 min IP Phone TCP KA every 20 seconds 5 retries 5 seconds each QOS Across the Enterprise Voice Application in a Data NA err What happens when you put voice in your data network Data Communication is Bursty in Nature Packet Networks are Asynchronous Voice is a Real Time Application Voice Transmission is Synchronous What is the solution A Voice ready Network needs QoS Long Term Solution should be Policy Based Avaya QoS solution Layer 2 802 1p Q VLAN and priority inside the VLAN Layer 3 DiffServ TOS byte RSVP WAN queuing Bandwidth Reservation Layer 4 UDP Port Range No suggested range 100 Standards Based a algotech Standards Based Class of Service Layer 2 Layer 3 Layer 4 Ethernet IP V4 TCP or UDP MAC Layer Header Network Layer Header Transport Layer Header CELEBS IS 802 1p specifies TOS field specifies service level pa Port Number identifies priority desired desired application session Saddr Daddr or Saddr Daddr Port identifies RS VP flow Audio CODEC G 711 G f29 H 245 CODEC negotiation UDP 17189 UDP pseudo TCP 2945 TCP 5010 gatekeeper random port MG controller port network L2 Ethernet PPP frame relay ATM Registration H 225 RAS UDP 1719 signaling H 225 Q 921 TCP 1720 Voice RTP
35. rg Control G 7XX H 26X RTCP Hegisiraiio AOIS Sorn SaS Hi os p Network Region Design Network Regions A 1 Binds Endpoints to a Specific Location Dial Plan adjusted by Network Region useful for E911 local calling Determines what CODEC needs to be used for ntra Network Region calls Determines what CODEC needs to be used for nter Network Region calls Can determine what VolP Monitor Manager is used Determines what QOS settings to be used Customize layer 2 3 amp 4 settings WAN and Network Regions algotech Subnet FROM TO Address or Mask Region 192 168 1 0 24 1 192 168 2 0 _ 24 2 Q algotech DSP Resource Allocation by Call Type Codec Call Type Capacity Points Max Calls Media Processor W o encryption W AES encryption G 711 64 48 TN2302 amp Pass through IN2302 amp MM760 MM760 Clear Channel 32 G350 24 G350 G 729 amp 32 TN2302 amp 24 TN2302 amp G 723 VoIP MM760 MM760 Mee KAM 12 G350 Fax Relay 16 TN2302 amp Not applicable Modem Relay MM760 T38 8 G350 Notes A TN2302AP lt HV10 aka TN Media Processor do not support data transmission other than Avaya patented transport for fax B A G700 Media Gateway has the equivalent of an MM760 embedded in the system The G350 has the equivalent of half that 1 2 3 4 D 6 f O DSP Allocation Rules 9 aigotech TN Media Processor already in
36. s Inter Network Region Connection Hanagement direct Dunamic CAC Fan KAN limits Interveninz rezions Gateway n E 9 Pst PSS PS 1 e 4 1024 Kbits Inter Network Region Connection Hanazesent direct Dunamic CAC ERN BAN Bbl limits Intervening regione laii 51 Kbits Inter Network Region Connection Hanagement codec direct Dunamic CAC set HPH KAN limits Intervening regions Gateway y 1544 Kbits y 1074 Kbits y MI Kbits bt MS P3 Q algotech Network Region 5 is used as the Ghost Region for actual implementations a higher region may be more appropriate to allow for scalability The only region that NR s 1 3 directly connect to is NR 5 and intervene to the other regions There are no actual resources in NR5 it is more of the WAN cloud representation All WAN connections are now correctly defined and Communication Manager has the correct interpretation of the topology P Telephone Operation a algotech 802 1p Q se u Data VLAN 10 C LAN DSCP Port a j Voice VLAN 11 ME E Tagged and h Untagged Packets 7 cHEHHPHIHUBHIE d D z07T40458 Tagged and L L Untagged Packets 802 1p Q DSCP Port Hange Power over Etnemet IP Ph
37. s first Q algotech SES Admin System Properties P Edit System Properties Microsoft Internet Explorer OX File Edit View Favorites Tools Help a e https SES hostname gt admin Bef Search OMA MA 2 2 My Button 2 Integrated Management e LAVAYA cgrated Management Upon first opening the admin pee nn web page there will be an entry Top 8 Users a Edit System Properties 8 Extensions Emergency Contacts Hosts Media Servers Services amp Server Configuration IM Logs Export Import to ProVision CCS Version CCS 3 0 0 0 031 0 SIP Domain lavaya com License Host 135 8 70 190 Network Properties Local IP 135 8 70 189 Local Name Izccsedgea avaya com Remote Partner IP 135 8 70 190 Remote Partner Name Local Cross Connect IP Izccsedgeb avaya com 192 11 14 10 Remote Partner Cross Connect IP aaa Logical IP 135 8 70 191 Logical Name Izccsedge avaya com Gateway IP Address 135 8 70 1 RSA Properties RSA Host A Izccsedgea RSA Host A Login USERID RSA Host B Izccsedgeb RSA Host B Login craft Fields marked are required Update on the upper left called Setup click on this to walk through configuration wizards SIP Domain is not the same as a DNS domain although they can have the same syntax License host MUST be the physical ip address of the server the license resides on not the logical address of the pair a algotech Edit Host Page e DB Pa
38. set I PADD to 0 0 0 0 and re initiate DHCP Discovery DHCPSTD 1 means Follow the DHCP Standard RFC 2131 Section 4 4 5 give up the IP address immediately if DHCP lease expires HY DHCP Considerations aigorect e Each subnet requires a DHCP scope e For clients not on the same subnet as the DHCP server enable DHCP relay on the router interface for the client subnet i e ip helper address e Embedded DHCP server within G350 to support IP phones and local IP stations e No plans to support G700 DHCP e Can use local router as a DHCP server service dhcp ip dhcp pool Miami branch office network 10 10 10 0 255 255 255 0 default router 10 10 10 1 lease 120 option 176 ascii MCIPADD X X X X MCPORT 1719 TFTPSRVR X X X X ip dhcp excluded address 10 10 10 1 Q algotech TFTP Server Used for upgrades and optional configuration files Not a point of failure for basic telephony operation Possible point of failure for additional features Review each configuration option to be used in order to determine impact of failure Embedded TFTP server within G250 G350 to optimize local I P phones upgrade process Limited space in NVRAM What happens during Registrate e Registration starts GRQ GCF RRQ e Phone asking user for Login extension and password e Phones sends request for registration for the extension e Server sends to the phone an encrypted message to validate password e
39. ssword same DB password set during install script 43 Edit Host Microsoft Internet Explorer OK ar Ele Edit View Favorites Tools Help Psearch m gt M 2 O My Button 2 a Edit Host Host IP Address DB Password Profile Service Password Host Type Parent EEI Listen Protocols S Link Protocols Presence Access Policy Default Emergency Contacts Policy Minimum Registration seconds Line integrated Management Profile Service Password must MUDP TCP MTLS OUDP OTCP TLS G Allow All O Deny All GO Allow O Deny 300 Registration Expiration Timer seconds se400 Reservation TUNE Timer seconds Outbound Routing Allowed Internal M External be unique for each host this is used for communication between trusted hosts used to prevent spoofing Listen Protocols Protocols used by endpoints select all Link Protocols Protocol used between SES SES leave set as ILS Presence Access Policy default to No change to Yes to allow Presence O a algotech Edit Host Page cont 43 Edit Host Microsoft Internet Explorer File Edi View Favorites Tools Help Pseach Ep M G 2 2 QMy Button Y Default Emergency Contacts Allow O Deny Policy Minimum Registration 1300 Registration Expiration Timer seconds seconds Line Reservation TUE E Internal M External OutboundProxy 135 9 49 170 Portisos
40. t pag 10 2 972 9 e pa 135 127 66 5 ee 35 2T 55 55 o 35 27 67 143 2135 27 66 55 e 13 35 2T BT 4B Go EN 35 27 6T7ATO pa 135 35 30 1 B Gm 5 135 35 32 2 e Pa 125 125 92 6 pa 12514216617 sean a eee ng rg nig mi B a im e A M THEE Rp Res LX s mon DICE E e S ious E Max Sequence Fall Number Sequence Falls E Displaying data from Feb MEME KTEI AD to Feb 10 2005 10 18 49 AM mm A A ettet mete amine e i ir gt um ncs Commected to server calhnstit27 0 0 1 License State Evaluation mode Operational days remaining 90 ag a Bandwidth Considerations S h uffting n Ww a SES Signaling 50bps 2ng building Media 80Kbps C PSTN Gallis answered XT me PA cien Caedssectaprrieseagso Pace RRON Ee IP and asks A ARAO RLR aeneae drag NA dress mente gglle so It APART eg TPS AP POR IPIT HE ANANAS18 HAY Bee Nledleets to PESCA MA VISA Geps signaling Conferencing Scenario Pre Ao NR 2 MedPro Hesource MedPro Resource A A Add 2 4 IP Call MedPro Resource MedPro A Resource A IP Endpoin Conferencing Scenario ACM Soa NR 2 MedPro Hesource MedPro Resource A A Add 2 4 IP Call MedPro Resource MedPro A Resource A IP Endpoin Bandwidth Consideration e Bandwidth impact on a LAN W
41. tegrated Management SIP Server Management station number on CM Add Media Server Extension lio e Select appropriate Media Server or from drop down of administered Fields marked are required Media Servers e Select Add e Next screen select continue e Always remember to click on Update to commit changes algotech Don t Forget to Schedule Automated Backups 3 Izccsedgea Microsoft Internet Explorer File Edit View Favorites Tools Help Qw O NAG Akae Queda e SSU AVAYA Help Exit Current Alarms SNMP Traps System Logs Temperature Voltage Ping Traceroute Netstat Modem Test Status Summary Process Status Interchange Servers Busy out Server Release Server Shutdown Server Server Date Time Software Version Configure Server Eject CD ROM Install New Software Make Upgrade Permanent Boot Partition Backup Now Backup History Schedule Backup Backup Logs View Restore Data Restore History Format PC Card Authentication File Firewall WebLM Software WebLM License Admin Tripwire Tripwire Commands Install Root Certificate SSH Keys Download Files Add New Schedule Data Sets Y User Data Database Files CI Server and System Files O Security Files Backup Method O FTP User Name Password Host Name Directory O Local PC Card Retain datasets at destination Encryption O Encrypt backup using pass phrase
42. uration settings by accessing 46xxsettings txt file via HTTP Avaya SIP Softphone User cont Buses e Features are provisioned in Communication Manager e Feature Panel lists available features Pareno PAPAL 7 w Features Calls Call Instant Message Retrieve a Parked Call Pickup call at group Priority Call Whisper lam Available T NO i JA Enter Name or Number y Go e Mute E NETT Es Calls 1 i 1 WEE Cota J prop Ross Ha N 00 12 o Conference Transfer Park this call Record this call Send to Yoicemail z bus NG Add to Contacts S onte Search in History we Search gt CAS Search in Contacts a EE MW zm algotech Proxy and License Server AVAYA i y Dashboard Q Profile X Configuration ETT airs mota vaya cor EET Password SIP Server Licensing Server A o Settings Login ko EN Communica TE a History 2 Contacts SE Soniphona will try to find the SIP Server sing Server This may take a E Skip this step am not using a SIP Server ESA i e Lam using Peer to Peer communication i 33 v Dashboard Profile Username Password SIP Server Licensing Server A Settings LOGIT s The SIP Softphone has found the following Ei Communications aOR addresses for the SIP Server and Licensing 5 History PE Server gt Contacts SIP Server Address 13
43. uthoritative Domain Intra region IP IP DL MEDIA PARAMETERS Inter region IP IP Direct Audio yes Cod IP Audio Hairpinning y RTCP Reporting Enabled y MONITOR SERVER Ise Default Server Parameters n O RESOURCE RESERVATION Authoritative Domain must be set to match the SIP domain in use in the solution THIS IS THE MOST COMMONLY MISSED ADMINISTRATION STEP CALLS WILL NOT WORK UNLESS THIS IS CORRECT a d isplay signaling group 40 Q algotech Signalling Group e Group Type sip sets format of page e Transport method tls e Near end Far end Node names need to have been administered on node names page ports 5061 e Far end domain SIP domain on SES e DIMF over IP rtp payload I d isplay trunk group 40 Q algotech Trunk Group Page OX 1 of 19 Set group type sip TAC needs to be setup based upon dialplan analysis table same as usual Dial Access Is not available list trace tac nnn is useful for troubleshooting Service Type tie ROOF defaults to 5000 5 seconds until calling party will hear failure tone Q algotech Route Pattern n e Once UDP AAR info has been ranvern NSCCAN n Secure SIBER OO administered follow standard Route Pattern setup e Secure SIP should be set no default only set to yes if end to end conversation is using tls including endpoints OR ASIP Softphone only solution and onl
44. with emulated voice traffic RSVP enabled bearer channel is protected exhibiting good voice quality RSVP disabled bearer channel is not protected exhibiting bad voice quality sam When to enable ncs yp algotech e f the customer wants a scenario where N calls get guaranteed service and the N 1th call competes with everything else then RSVP is the best solution e But if the customers want a scenario where N calls get guaranteed service and the N 1th call is not permitted to go through then Call Admission Control schemes need to be used 1 So What If I m Experiencing Poor Quality Voice e Factors that need to be examined Network Metrics Packet Loss J itter Latency Trunk connectivity Digital Analog DSP resources Medpro Gateway End User Device Headset Terminals Environmental e Psychology may be a factor People are rore alert after a change Feature Issues Symptoms amp Possible Causes A h WA algotech Symptom Possible Cause etas ae Packet Loss Stations AS 77 0 0 IONS LR tenen abang Clipping Breaking up Packet loss Silence Suppression Em Q algotech Vol P Monitoring Manager VMON IP Phone 1234 S IP Softphone x5678 N 4 VoIP Monitoring Manager VMON RTCP Real Time Control Protocol RFC 1889 1 QoS Monitoring with MN e What it does Record call statistics delay jitter and packet
45. y if using tls e Configurable option for SCCAN If this is set to yes Avaya IP Phones will not operate as expected III III Business Class SIP Telephony B ares Available to Any SIP Teleohone Station Side Features Active Appearance Select Automatic Call Back Call Forwarding All Call Forwarding Busy Call Forwarding No Answer Call Forwarding Deactivation Call Hold Call Park Call Park Answer Back 10 Group Call Pick Up 11 Calling Party Number Block Unblock 12 Conference on Answer 13 Consultation Hold 14 Directed Call Pick Up 15 Distinctive Alerting 16 Drop Last Added Party 17 Exclusion 18 Extended Group Call Pick Up 19 Group Paging 20 Held Appearance Select 21 Idle Appearance Select 22 Last Number Dialed 23 Malicious Call Trace Activation Deactivation 24 Message Waiting I ndication 25 Multiple Call Handling 26 Priority Call 27 Send All Calls 28 Transfer Attended 29 Transfer Unattended 30 Transfer on Hang Up 31 Transfer to Voice Mail 32 Auto I ntercom 33 Dial Intercom 1O O E Trunk Side Features 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 Automatic Alternate Routing Automatic Route Selection Announcements Auto Answer ntercom Automatic Call Distribution ACD Bridged Appearances Call Detail Records CDR Centralized Attendant S
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