Cisco Systems MC-413 User's Manual
Contents
1. This interface command overrides the global isdn switch type command setting for this interface Step7 Router config if isdn protocol emulate user Configures the ISDN interface to serve as either the network primary Q SIG slave or the primary Q SIG master For this command the user keyword specifies slave and the network keyword specifies master If the PINX is the primary Q SIG master configure the Cisco AS5300 to serve as the primary Q SIG slave If the PINX is the primary Q SIG slave configure the Cisco AS5300 to serve as the primary Q SIG master Step8 Router config if isdn overlap receiving value Activates overlap signalling to send to the destination PBX This command is not mandatory you can leave the default value Step9 Router config if isdn incoming voice modem Routes incoming voice calls to the modem and treats them as analog data mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Step 10 Step 11 Step 12 Command Configuring 0 SIG PRI Signalling Support W Purpose Router config if isdn network failure cause value Optional Specifies the cause code to pass to the PBX when a call cannot be placed or completed because of internal network failures Possible values are from 1 to 127 All cause codes except for Normal Call Clearing 16 User Busy 17 No User Responding 18 and No Answer from Us2. no ip directed broadcast l interface FR ATM20 no ip address no ip directed broadcast no ip route cache shutdown router rip network 10 0 0 0 network 144 254 0 0 ip classless l 1 map list atm1 l map class frame relay A relay frame relay traffic rate 256000 1540000 no frame relay adaptive shaping i 1 line con 0 transport input none line aux 0 line 2 3 line vty 0 4 password cisco login l voice port 1 1 vad connection plar 1 l voice port 1 2 vad connection plar 2 l dial peer voice 1 vofr destination pattern 1 session target Serial0 30 l dial peer voice 2 vofr destination pattern 2 session target Serial0 30 l end mw Cisco 10S Multiservice Applications Configuration Guide
3. signalling time slot time slot 24 for T1 or time slot 16 for E1 The channel is then passed to the second PBX The CCS signal byte stream is passed through transparently by the Cisco MC3810 Figure 99 CCS Cross Connect Configuration Cisco Cisco DVM MC3810 T1 E1 T1 E1 MC3810 DVM a tom Leasediine 5 Y TDM H cross cross PBX connect connect PBX ccs ccs g channel channel Cisco 10S Multiservice Applications Configuration Guide gy Configuring Support for PBX Signalling Protocols HZ Configuring Transparent CCS on the Cisco MC3810 Configuring CCS Cross Connect for T1 Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 When you configure CCS cross connect for T1 you need to cross connect from the first T1 controller to the second T1 controller To configure CCS cross connect for T1 use the following commands beginning in global configuration mode Command Purpose Router config controller T1 0 Enters controller configuration mode for controller T10 Router config controller tdm group tdm group no timeslot timeslot list Router config controller exit Configures a TDM channel group for controller T1 0 Do not specify the type option in the command Exits controller configuration mode Router config controller T1 1 Enters controller configuration mode for controller T1 1 Rout
4. a slave PBX or as a slave to a master PBX Cisco 10S Multiservice Applications Configuration Guide jg Configuring Support for PBX Signalling Protocols W Configuring 0 SIG PRI Signalling Support Figure 98 Cisco MC3810 Q SIG Signalling Configuration hi Cisco PBX MC3810 Frame Relay f DLCI 200 Q SIG No 1 Ee o 4001 A E1 channel A Slave Master SIG Prerequisite Tasks Cisco MC3810 PBX Len No 2 Q SIG I E1 channel 4 4002 3 Slave Master The following configuration tasks should be completed before you configure Q SIG on the Cisco MC3810 e Configure the ports used on the Cisco MC3810 as voice ports For information on how to configure ports to be used as voice ports see the Configuring Voice Ports section in the Configuring Voice over ATM chapter e Configure Voice over Frame Relay or Voice over ATM For information on how to configure Voice over Frame Relay see the Configuring Voice over Frame Relay chapter For information on how to configure Voice over ATM see the Configuring Voice over ATM chapter To configure Q SIG PRI signalling support on the Cisco MC3810 use the following commands beginning in global configuration mode Command Purpose Step 1 Router config isdn switch type primary qsig slave primary qsig master Configures the ISDN switch type to serve either as the primary Q SIG slav
5. isdn switch type command for interface bri 0 to a BRI setting and set the interface isdn switch type command for interface serial 1 23 to support Q SIG Note The codec command must be configured before any calls can be placed over the connection to the PINX The default codec type is G729a When voice dial peers are configured for use with Q SIG PRI voice port 1 1 is used for all bearer channels mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Configuring 0 SIG PRI Signalling Support W 0 SIG PRI Signalling on the Cisco MC3810 Configuration Example The following configuration example configures interface serial 1 15 for QSIG PRI and to act as the QSIG master The example shows other commands necessary for the configuration version 12 1 no service pad service timestamps debug uptime service timestamps log uptime no service password encryption l hostname c3810a network clock base rate 56k ip subnet zero no ip domain lookup ip host rb 10 1 1 1 isdn switch type primary qsig master l stun peer name 10 1 1 1 stun protocol group 1 basic controller El 1 clock source internal pri group timeslots 1 2 16 l interface Ethernet0 ip address 144 254 156 169 255 255 255 0 no ip directed broadcast no ip route cache no ip mroute cache no keepalive 1 interface Serial0 ip address 10 1 1 2 255 255 255 0 no ip dir
6. 00 use the following commands beginning in global configuration mode Command Purpose Step1 Router config controller T1 controller number Enters controller configuration mode NEC Fusion does not support fractional T1 E1 all 24 channels must be available If they are not available the configuration request will fail Step2 Router config controller pri group nec fusion Configures the controller to communicate with an pbx ip address pbx ip host name pbx port number NEC PBX using NEC Fusion The range for the PBX port is 49152 to 65535 If you do not specify a port number the default value of 55000 will be used If this value is already in use the next greater value will be used Step3 Router config controller exit Exits controller configuration mode Verifying VoIP 0 SIG Software on the Cisco AS5300 After you complete the configuration for the AS5300 verify that you configured Q SIG properly Enter the show isdn status command to view the ISDN layer information The following output shows that you have correctly designated the global ISDN switch type to be primary Q SIG router show isdn status Global ISDN Switchtype primary qsig ISDN Serial1 23 interface dsl 0 interface ISDN Switchtype primary qsig x Slave side configuration Layer 1 Status DEACTIVATED Layer 2 Status TEI 0 Ces 1 SAPI 0 State TEI_ASSIGNED Layer 3 Status 0 Active Layer 3 Call s Activated dsl 0 CCBs 0
7. 3810 The Q SIG protocol provides signalling for PINX devices It is based on the ISDN Q 931 standard Using Q SIG PRI signalling the Cisco MC3810 can route incoming voice calls from a PINX device across a WAN to a peer Cisco MC3810 which can then transport the signalling and voice packets to a second amp Note PINX device In Cisco IOS Release 12 1 Q SIG PRI signalling on the Cisco MC3810 applies only to VoFR and VoATM The Cisco MC3810 supports ISDN PRI only when a Q SIG connection to the PINX device is configured on the digital voice module DVM T1 E1 controller The following restrictions and limitations apply to the Cisco MC3810 Q SIG PRI implementation e Q SIG data calls are not supported All calls with bearer capability indicating a nonvoice type such as for video telephony are rejected e Q SIG is supported only on T1 E1 controller 1 Each Cisco MC3810 supports only one T1 E1 interface with direct connectivity to a PINX device e The Cisco MC3810 supports a maximum of 24 bearer channels e When Q SIG is configured serial interface 1 cannot support speeds higher than 192 kbps This restriction assumes that the MFT is installed in slot 3 on the Cisco MC3810 If the MFT is not installed then serial interface 1 will not operate at all but Q SIG will be supported on other interfaces Figure 98 shows an example of a Q SIG signalling configuration In the example the Cisco MC3810 either acts as a master to
8. Configuring Support for PBX Signalling Protocols This chapter describes how to configure support for PBX signalling formats such as Q SIG and transparent common channel signalling CCS Configuring support for these signalling protocols on your router enables the router to interoperate with PBXs running these signalling protocols This chapter includes the following sections e Configuring Q SIG PRI Signalling Support e Configuring Transparent CCS on the Cisco MC3810 For a complete description of the commands used in this chapter refer to the Cisco IOS Multiservice Applications Command Reference To locate documentation of other commands that appear in this chapter use the command reference master index or search online Configuring 0 SIG PRI Signalling Support Configuration Tasks for Q SIG PRI signalling support are described in the following sections e Configuring Voice over IP Q SIG Network Transparency on the Cisco AS5300 e Configuring Q SIG PRI Signalling Support on the Cisco MC3810 Although the procedures for configuring Q SIG signalling support on the Cisco AS5300 and on the Cisco MC3810 are very similar implementation differences are described in the respective sections Benefits of 0 SIG On both the Cisco AS5300 and the Cisco MC3810 Q SIG voice signalling provides the following benefits e Enables Cisco devices to connect with digital PBXs that use the Q SIG form of CCS e Provides access to multiple remote PBXs with a sing
9. HZ Configuring 0 SIG PRI Signalling Support Command Purpose Step 2 Router config controller T1 E1 controller Enters controller configuration mode number Step3 Router config controller pri group timeslot Configures the PRI group for either T1 or E1 to carry range voice traffic For T1 available time slots are from 1 to 23 and for El available time slots are from to 31 You can configure the PRI group to include all available time slots or you can configure a select group of time slots for the PRI group For example if only time slots 1 to 10 are in the PRI group enter the pri group timeslot 1 10 command If the PRI group includes all channels available for T1 channels 1 to 23 enter the pri group timeslot 1 23 command If the PRI group includes all channels available for E1 channels 1 to 31 enter the pri group timeslot 1 31 command Step4 Router config controller exit Exits controller configuration mode Step5 Router config interface serial 1 x Enters interface configuration mode for the ISDN PRI interface For T1 enter serial 1 23 For E1 enter serial 1 15 Step6 Router config if isdn switch type primary qsig If you did not configure the global ISDN switch type for Q SIG support in Step 1 configures the interface ISDN switch type to support Q SIG signalling The conditions that apply to this command in global configuration mode also apply to this command in interface configuration mode
10. The Free Channel Mask OxX7FFFFF mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Configuring 0 SIG PRI Signalling Support W 0 SIG for VolP Configuration Example The following configuration example configures interface serial 1 23 for Q SIG PRI and to act as the Q SIG slave version 12 0 service timestamps debug uptime service timestamps log uptime no service password encryption hostname as5300A ip subnet zero isdn switch type primary qsig controller T1 0 shutdown controller T1 1 framing esf clock source line primary linecode b8zs pri group timeslots 1 24 I controller T1 2 shutdown controller T1 3 shutdown voice port 1 D dial peer voice 3001 pots destination pattern 3001 port 1 D dial peer voice 4001 pots incoming called number 4001 direct inward dial dial peer voice 4002 voip destination pattern 4001 session target ipv4 1 14 82 14 I interface Ethernet0 ip address 1 14 82 13 255 255 0 0 no ip directed broadcast interface 1 23 no ip address no ip directed broadcast isdn switch type primary qsig isdn protocol emulate user isdn incoming voice modem I interface FastEthernet0 no ip address no ip directed broadcast Cisco 10S Multiservice Applications Configuration Guide TZA Configuring Support for PBX Signalling Protocols HZ Configuring 0 SIG PRI Signalling Support
11. aces Figure 100 shows an example of CCS frame forwarding In the example the Cisco MC38 10 captures the signalling frame from the PBX The Cisco MC3810 then transports the signalling frame as a data frame through the Frame Relay or ATM network to the second Cisco MC3810 The second Cisco MC3810 then forwards the signalling frame to the PBX signalling channel Figure 100 CCS Frame Forwarding Cisco Cisco DVM MC3810 T1 E1 T1 E1 MC3810 DVM a sanepan F F00 5 or ATM l o frame PBX PBX CCS CCS 9 channel channel Note Command Although it is not explicitly stated in the procedures this feature also requires that voice ports and dial peers must also be configured To configure CCS frame forwarding on the Cisco MC3810 use the following commands beginning in global configuration mode Purpose Router config controller T1 E1 1 Enters controller configuration mode CCS frame forwarding is only available on controller T1 E1 1 Router config controller mode ccs frame forwarding Specifies the controller to support CCS transparent signalling Router config controller cas voice group channel no timeslots timeslot list type ext sig master ext sig slave Configures the specified channel to support CCS mode and specifies whether the T1 E1 trunk will be the external signalling master or slave A channel configured
12. arer channels of the T1 E1 trunk you will need to perform some additional configuration To configure the T1 E1 trunk to support CCS cross connect for bearer channels use the following commands beginning in global configuration mode Command Purpose Router config controller T1 E1 number Enters controller configuration mode for the controller Router config controller mode ccs cross connect Specifies the controller to support CCS cross connect Router config controller cas voice group channel no timeslots timeslot list type ext sig master ext sig slave Configures the specified channel to support CCS mode and specifies whether the T1 E1 trunk will be the external signalling master or slave A channel configured as ext sig master automatically generates the off hook signal and stays in the off hook state A channel configured as ext sig slave automatically generates the answer signal when a call is terminated to that channel These type options are available only when the mode ccs command is enabled Router config controller exit Exits controller configuration mode Cisco 10S Multiservice Applications Configuration Guide gy Configuring Support for PBX Signalling Protocols HZ Configuring Transparent CCS on the Cisco MC3810 Step 5 Step 6 Purpose For Cisco MC3810 series analog voice ports Enters voice port configuration mode router config voice port slot po
13. as ext sig master automatically generates the off hook signal and stays in the off hook state A channel configured as ext sig slave automatically generates the answer signal when a call is terminated to that channel These type options are available only when the mode ccs command is enabled Cisco 10S Multiservice Applications Configuration Guide gy Configuring Support for PBX Signalling Protocols HZ Configuring Transparent CCS on the Cisco MC3810 Command Purpose Step4 For Cisco MC3810 series analog voice ports Enters voice port configuration mode router config voice port slot port For Cisco MC3810 series digital voice ports router config voice port slot ds0 group Step5 Router config voiceport connection plar string If the voice port in the voice group is configured as the ext sig master configures the voice port connection to support PLAR mode for bearer channels For the string enter the number of the voice channel that was configured as the ext sig master for the voice group command If the voice port in the voice group is configured as the ext sig slave the dial peer should just terminate the PLAR calls amp Note After a transparent CCS connection is configured with the connection plar command any change to the configuration will not take place until the connection is shut down with a shutdown command and then restarted with a no shutdown command For example the phone number s
14. de Router config controller El 1 Enters controller configuration mode for controller El 1 Router config controller mode ccs cross connect Configures controller E1 1 to support CCS cross connect by enabling channel 16 to no longer carry the signalling bit mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Step 6 Step 7 Step 8 Command Configuring Transparent CCS on the Cisco MC3810 W Purpose Router config controller cas voice group channel no timeslots timeslot list type ext sig master ext sig slave Configures the specified channel to support CCS mode and specifies whether the T1 E1 trunk will be the external signalling master or slave A channel configured as ext sig master automatically generates the off hook signal and stays in the off hook state A channel configured as ext sig slave automatically generates the answer signal when a call is terminated to that channel These type options are available only when the mode ccs command is enabled Router config controller exit Exits controller configuration mode Router config cross connect id controller 1 tdm group no 1 controller 2 tdm group no 2 Configures cross connect pass through between the two controllers Configuring T1 E1 Trunk Bearer Channels Step 1 Step 2 Step 3 Step 4 If you will use CCS cross connect for be
15. debug uptime service timestamps log uptime no service password encryption l hostname c3810a logging buffered 4096 debugging I network clock base rate 56k ip subnet zero no ip domain lookup ip host b 10 1 lt 7 1 I stun peer name 10 1 1 1 stun protocol group 1 basic l controller El 1 framing NO CRC4 Australia clock source internal mode ccs frame forwarding voice group 1 timeslots 1 2 type ext sig master l interface Ethernet0 ip address 144 254 156 169 255 255 255 0 no ip directed broadcast no ip route cache no ip mroute cache no keepalive l interface Serialo ip address 10 1 1 2 255 255 255 0 no ip directed broadcast encapsulation frame relay no ip route cache no ip mroute cache no arp frame relay bandwidth 256 no keepalive no fair queue serial restart delay 0 frame relay interface dlci 30 voice encap 80 hold queue 1024 out l interface Seriall no ip address no ip directed broadcast encapsulation stun no ip route cache no ip mroute cache stun group 1 stun route all interface Serial0 dlci 30 Cisco 10S Multiservice Applications Configuration Guide gy Configuring Support for PBX Signalling Protocols HI CCS Frame Forwarding Configuration Example interface Serial1 15 no ip address no ip directed broadcast ccs connect Serial0 30 l interface Switch0 no ip address no ip directed broadcast encapsulation frame relay no fair queue i interface FR ATMO no ip address
16. e or the primary Q SIG master If the PINX device is the primary Q SIG master configure the Cisco MC3810 to serve as the primary Q SIG slave If the PINX device is the primary Q SIG slave configure the Cisco MC3810 to serve as the primary Q SIG master S Note You can configure the ISDN switch type using either this global command or this same command in interface configuration mode depending on your configuration See Step 3 If you configure the global isdn switch type command for Q SIG support you need not also configure the interface isdn switch type command for Q SIG Step2 Router config interface serial 1 x Enters interface configuration mode for the ISDN PRI interface For T1 enter serial 1 23 For E1 enter serial 1 15 mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Configuring 0 SIG PRI Signalling Support W Command Purpose Step3 Router config if isdn switch type If you did not configure the global ISDN switch type primary qsig slave primary qsig master for Q SIG support in Step 1 configures the interface ISDN switch type to serve either as the primary Q SIG slave or the primary Q SIG master The same conditions that apply to this command in global configuration mode also apply to this command in interface configuration mode amp Note This interface command overrides the global isdn switch type command s
17. ected broadcast encapsulation frame relay no ip route cache no ip mroute cache no arp frame relay bandwidth 256 no keepalive no fair queue serial restart delay 0 frame relay interface dlci 30 voice encap 80 hold queue 1024 out l interface Seriall no ip address no ip directed broadcast encapsulation stun no ip route cache no ip mroute cache stun group 1 stun route all interface Serial0 dlci 30 1 interface Serial1 15 no ip address no ip directed broadcast Cisco 10S Multiservice Applications Configuration Guide gy Configuring Support for PBX Signalling Protocols HZ Configuring 0 SIG PRI Signalling Support no logging event link status isdn switch type primary qsig master isdn bchan number order ascending no cdp enable l interface Switch0 no ip address no ip directed broadcast encapsulation frame relay no fair queue i interface FR ATMO no ip address no ip directed broadcast l interface FR ATM20 no ip address no ip directed broadcast no ip route cache shutdown router rip network 10 0 0 0 network 144 254 0 0 ip classless l map list atm1 f map class frame relay A relay frame relay traffic rate 256000 1540000 no frame relay adaptive shaping l line con 0 transport input none line aux 0 line 2 3 line vty 0 4 login l voice port 1 1 l voice port 1 2 1 dial peer voice 1 pots destination pattern 2 port 1 1 dial peer voice 3 pots destination pattern 3 port 1 3 dial pee
18. er 19 will be changed to the specified cause code Router config if isdn bchan number order ascending descending Optional Configures the ISDN PRI interface to make the outgoing call selection in ascending or descending order The default is descending order in which the first call from the Cisco AS5300 uses channel 23 T1 or channel 31 E1 The second call then uses channel 22 T1 or channel 30 E1 and so on in descending order If you select ascending order and the PRI group starts with 1 the first call uses channel 1 the second call uses channel 2 and so on in ascending order If the PRI group starts with a different time slot the ascending order starts with the lowest time slot Router config if exit Exits interface configuration mode As shown in the preceding section you have a choice of configuring the isdn switch type command to support Q SIG at either the global configuration level or the interface configuration level For example if you have a Q SIG connection on one line and on the PRI port you can configure the ISDN switch type in one of the following combinations e Set the global isdn switch type command to support Q SIG and set the interface isdn switch type command for interface serial 0 23 to a PRI setting such as Sess e Set the global isdn switch type command to support PRI Sess and set the interface isdn switch type command for interface serial 1 23 to support Q SIG e Con
19. er config controller mode ccs cross connect Configures CCS cross connect for controller T1 1 Router config controller tdm group tdm group no timeslot timeslot list Configures a TDM channel group for controller T1 1 Do not specify the type option in the command Router config controller exit Exits controller configuration mode Router config cross connect id controller 1 tdm group no 1 controller 2 tdm group no 2 Configures cross connect pass through between the two controllers Configuring CCS Cross Connect for E1 Step 1 Step 2 Step 3 Step 4 Step 5 When you configure CCS cross connect for E1 you need to configure cross connect from the first E1 controller to the second E1 controller and then configure the mode ccs cross connect command to allow the cross connect to time slot 16 This enables all of the channels to perform similarly to normal CAS mode but the signalling bit is no longer processed by the Cisco MC3810 To configure CCS cross connect for E1 use the following commands beginning in global configuration mode Command Purpose Router config controller E1 0 Enters controller configuration mode for controller El 0 Router config controller tdm group tdm group no timeslot timeslot list Configures a TDM channel group for E1 Do not specify the type option in the command Router config controller exit Exits controller configuration mo
20. etting for this interface Step4 Router config if isdn overlap receiving value Activates overlap signalling to send to the destination PBX Step5 Router config if isdn network failure cause Specifies the cause code to pass to the PBX when a 12127 call cannot be placed or completed because of internal network failures Step6 Router config if isdn bchan number order Optional Configures the ISDN PRI interface to ascending descending make the outgoing call selection in ascending or descending order The default is descending order in which the first call from the Cisco MC3810 uses channel 23 T1 or channel 31 E1 The second call then uses channel 22 T1 or channel 30 E1 and so on in descending order If you select ascending order and the PRI group starts with 1 the first call uses channel 1 the second call uses channel 2 and so on in ascending order If the PRI group starts with a different time slot the ascending order starts with the lowest time slot Step7 Router config controller T1 E1 1 Enters controller configuration mode Q SIG is only supported on controller 1 Cisco 10S Multiservice Applications Configuration Guide i Ta Configuring Support for PBX Signalling Protocols HZ Configuring 0 SIG PRI Signalling Support Command Purpose Step 8 Router config controller pri group timeslot 1 31 Configures the PRI group for either T1 or E1 to carry v
21. figure the global isdn switch type command to another setting such as switch type VN3 set the interface isdn switch type command for interface serial 0 23 to a PRI setting and set the interface isdn switch type command for interface serial 1 23 to support Q SIG Configuring Fusion Call Control Signalling NEC Fusion on the Cisco AS5300 If you have an NEC PBX in your network and you are running FCCS you will need to configure this device appropriately FCCS also known as NEC Fusion allows individual nodes anywhere within a network to operate as if they were part of a single integrated PBX system The database storage share and access routine of NEC Fusion allow real time access from any node to any other allowing individual nodes to learn about the entire network configuration This capability allows network wide feature functional operational and administration transparency Figure 97 shows an example of an AS5300 Q SIG signalling configuration using an NEC PBX Cisco 10S Multiservice Applications Configuration Guide gy Configuring Support for PBX Signalling Protocols W Configuring 0 SIG PRI Signalling Support Figure 97 Q SIG Signalling Configuration with NEC PBX FCCS IP FCCS NEC T1 channel Cisco QoS Cisco T1 channel NEC PBX Ethernet AS5300 cloud AS5300 Ethernet PBX g signaling signaling A To configure NEC Fusion signalling support on the Cisco AS53
22. hows an example of a Q SIG signalling configuration In this example the Cisco AS5300 acts as either a master to a slave PBX or as a slave to a master PBX 3001 Cisco AS5300 Q SIG Signalling Configuration Cisco Cisco Up PBX AS5300 AS5300 PBX ff ley Q SIG No 1 No 2 Q SIG A E1 T1 channel A i E1 T1 channel 4 4001 Slave Master Slave Master i The following restrictions and limitations apply to the Cisco AS5300 Q SIG implementation e Q SIG functionality on the AS5300 requires Cisco IOS Release 12 0 7 T or later and VCWare version 4 04 mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Configuring 0 SIG PRI Signalling Support W e Q SIG data calls are not supported All calls with bearer capability indicating a nonvoice type such as video telephony are rejected e The incoming POTS dial peer must have DID configured to prevent generation of a secondary dial tone to ensure end to end Q SIG feature transparency Q SIG Prerequisite Tasks The following configuration tasks should be completed before you configure Q SIG for VoIP e Configure the ports used on the Cisco AS5300 as voice ports For information on how to configure ports to be used as voice ports see Configuring Voice Ports section in the Configuring Voice over IP chapter e Install VCWare version 4 04 For information on how to upgrade o
23. le connection to a Cisco device e Provides transparent support for supplementary PBX services so that proprietary PBX features are not lost when connecting PBXs to Cisco AS5300 and Cisco MC3810 networks e Provides Q SIG support based on widely used ISDN Q 931 standards Cisco Q SIG implementation follows the following European Telecommunications Standards Institute ETSI implementation standards ECMA 143 Private Telecommunication Network PTN Inter exchange Signalling Protocol Circuit Mode Basic Services This specification covers Q SIG basic call services Cisco IOS Multiservice Applications Configuration Guide i TZA Configuring Support for PBX Signalling Protocols W Configuring 0 SIG PRI Signalling Support ECMA 142 Specification Functional Model and Information Flows for Control Aspects of Circuit Mode Basic Services in Private Telecommunication Networks ECMA 141 Private Telecommunications Networks Inter exchange Signalling Data Link Layer Protocol ECMA 165 Generic Functional Protocol for the Support of Supplementary Services e Provides compatibility with H 323 for IP call setup and transport of Q SIG messaging e Provides support for calls that do not require a bearer channel for voice transport e Provides support for bandwidth on demand utilizing network resources only when a connection is desired Configuring Voice over IP 0 SIG Network Transparency on the Cisco AS5300 Figure 96 Integratio
24. n of Q SIG support with VoIP enables Cisco voice switching services to connect PBXs key systems and CO switches that communicate by using the Q SIG protocol In Cisco IOS Release 12 1 Q SIG PRI signalling on the Cisco AS5300 applies only to VoIP The Q SIG protocol is a variant of ISDN D channel voice signalling It is based on the ISDN Q 921 and Q 931 standards and is becoming a worldwide standard for PBX interconnection By using Q SIG signalling Cisco devices can route incoming voice calls from a private integrated services network exchange PINX device across a WAN to a peer Cisco device which can then transport the signalling and voice packets to a second PINX device Note In Cisco IOS Release 12 1 the Cisco AS5300 supports ISDN PRI only when a Q SIG connection to the PINX is configured on the T1 E1 controller Q SIG allows the user to place Q SIG calls into and receive Q SIG calls from Cisco VoIP networks The Cisco packet network appears to PBXs as a large distributed transit PBX that can establish calls to any destination served by a Cisco voice node The switched voice connections are established and torn down in response to Q SIG control messages that come over an ISDN PRI D channel The Q SIG message is passed transparently across the IP network and the message appears to the attached PINX devices as a transit network The PINX devices are responsible for processing and provisioning the attached services Figure 96 s
25. nk is down the 30 second timer on the master channel side restarts A new off hook signal is then generated at the master channel side after the timer expires CCS cross connect is not supported on analog PVC connections Configuring CCS Frame Forwarding The Cisco MC3810 provides support for CCS frame forwarding which allows the Cisco MC3810 DVM to be connected to a Private Telco Network Exchange PTNX without needing to interpret CCS signalling information for call processing CCS frame forwarding forwards High Level Data Link Control HDLC frames over a preconfigured interface running HDLC Frame Relay or ATM encapsulation With CCS frame forwarding the connection between PTNXs over the network must be point to point and preconfigured With the CCS frame forwarding implementation calls from the PTNX devices are not routed but follow a preconfigured route to the destination mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Step 1 Step 2 Step 3 Configuring Transparent CCS on the Cisco MC3810 W Note When CCS frame forwarding is configured the speed clock rate of serial interface 1 on the Cisco MC3810 is limited to a maximum of 192 kbps This restriction assumes that the MFT is installed in slot 3 on the Cisco MC3810 If the MFT is not installed then serial interface 1 will not operate at all but CCS frame forwarding will be supported on other interf
26. oice traffic For T1 available time slots are 1 23 and for El available time slots are 1 31 You can configure the PRI group to include all the time slots available or you can configure a select group of time slots for the PRI group For example if only time slots 1 10 are in the PRI group enter the pri group timeslot 1 10 command If the PRI group includes all channels available for T1 enter the pri group timeslot 1 24 command If the PRI group includes all channels available for E1 enter the pri group timeslot 1 31 command amp Note When a PRI group is configured T1 time slot 24 or El time slot 16 is automatically assigned to handle D channel signalling As shown in the procedure you have a choice of configuring the isdn switch type command to support Q SIG at either the global configuration level or at the interface configuration level For example if you have a Q SIG connection on one line and on the BRI port you can configure the ISDN switch type in one of the following combinations e Set the global isdn switch type command to support Q SIG and set the interface isdn switch type command for interface bri 0 to a BRI setting such as Sess e Set the global isdn switch type command to support BRI 5ess and set the interface isdn switch type command for interface serial 1 23 to support Q SIG e Configure the global isdn switch type command to another setting such as switch type VN3 and then set the interface
27. r install VC Ware see the Managing Cisco AS5300 VFCs section in the Configuring Voice over IP chapter e Configure VoIP For information on how to configure VoIP see the Configuring Voice over IP chapter 0 SIG Configuration Task List To configure Q SIG for Voice over IP complete the tasks shown in the following sections Some of these tasks are optional e Configuring VoIP Q SIG e Configuring Fusion Call Control Signalling NEC Fusion on the Cisco AS5300 Configuring VoIP 0 SIG To configure Q SIG signalling support on the Cisco AS5300 use the following commands beginning in global configuration mode Command Purpose Step1 Router config isdn switch type primary qsig Configures the ISDN switch type to support Q SIG signalling amp Note You can configure the ISDN switch type using either this global command or the same command in interface configuration mode depending on your configuration See Step 5 If you configure the global isdn switch type command for Q SIG support you need not configure the interface isdn switch type command for Q SIG If the PBX in your configuration is an NEC PBX and you are using Fusion Call Control Signalling FCCS See the Configuring Fusion Call Control Signalling NEC Fusion on the Cisco AS5300 later in this chapter Cisco 10S Multiservice Applications Configuration Guide i TZA Configuring Support for PBX Signalling Protocols
28. r voice 5 pots destination pattern 5 port 1 5 dial peer voice 6 pots destination pattern 6 port 1 6 mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols Configuring Transparent CCS on the Cisco MC3810 W dial peer voice 10 vofr destination pattern 4 session target Serial0 30 l end Configuring Transparent CCS on the Cisco MC3810 The Cisco MC3810 provides support for transparent CCS which provides point to point PINX connection capability to Cisco MC3810 DVM interfaces when the PINX device does not support Q SIG or when the PINX device has a proprietary solution You can configure transparent CCS in one of two ways CCS cross connect or TDM cross connect which implies a fractional trunk or CCS frame forwarding These procedures are described in the following sections e Configuring CCS Cross Connect e Configuring CCS Frame Forwarding Configuring CCS Cross Connect Configuration tasks are described in the following sections e Configuring CCS Cross Connect for T1 e Configuring CCS Cross Connect for El e Configuring T1 E1 Trunk Bearer Channels Figure 99 shows an example of CCS cross connect In this example the CCS channel from the PBX is cross connected on the Cisco MC3810 to a time slot on the T1 E1 controller The channel is then passed through the WAN as a leased line to the second Cisco MC3810 where it is cross connected to the DVM
29. rt For Cisco MC3810 series digital voice ports router config voice port slot ds0 group Router config voiceport connection plar string Configures the voice port connection to support PLAR mode For the string enter the number of the voice channel that was configured as the ext sig slave for the voice group command S Note After a transparent CCS connection is configured with the connection plar command any change to the configuration will not take place until the connection is shut down with a shutdown command and then restarted with a no shutdown command For example the phone number supplied in the connection plar command can be changed while the connection is in no shutdown state but the change will not cause the current connection to be closed and a new connection opened to the new phone number This will only take effect on the next no shutdown command after a shutdown command The voice channel type configured as the ext sig master is considered the master side of the permanent virtual circuit PVC connection and is responsible for establishing the PVC connection After the master channel is configured a fixed timer of 30 seconds starts The voice signalling driver then generates an off hook signal on the master voice channel after the timer expires The call is treated as a regular call and the master voice channel will not hang up after the connection is made If the call does not go through or if the T1 E1 tru
30. shutdown ip default gateway 1 14 0 1 ip classless line con 0 transport input none line aux 0 line vty 0 4 login version 12 0 service timestamps debug uptime service timestamps log uptime no service password encryption hostname as5300B ip subnet zero isdn switch type primary qsig controller T1 0 shutdown controller T1 1 framing esf clock source line primary linecode b8zs pri group timeslots 1 24 controller T1 2 shutdown controller T1 3 shutdown voice port 1 D dial peer voice 3001 pots incoming called number 3001 direct inward dial dial peer voice 3002 voip destination pattern 3001 session target ipv4 1 14 82 13 dial peer voice 4001 pots destination pattern 4001 port 1 D interface Ethernet0 ip address 1 14 82 14 255 255 0 0 no ip directed broadcast I interface Serial1 23 no ip address mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols no ip directed broadcast isdn switch type primary qsig isdn protocol emulate network isdn incoming voice modem interface FastEthernet0 no ip address no ip directed broadcast shutdown ip default gateway 1 14 0 1 ip classless line con 0 transport input none line aux 0 line vty 0 4 login end Configuring 0 SIG PRI Signalling Support W Configuring 0 SIG PRI Signalling Support on the Cisco MC
31. upplied in the connection plar command can be changed while the connection is in no shutdown state but the change will not cause the current connection to be closed and a new connection opened to the new phone number This will only take effect on the next no shutdown command after a shutdown command Step6 Router config interface serial 1 x Enters interface mode for serial 1 x where x represents the channel number For E1 enter 15 For T1 enter 23 This procedure maps the D channel from the DVM to the specified interface Step 7 Router config if ccs connect serial atm number Configures the CCS connection If the CCS died alci pve vci pve vcd pve vpi vci pve connection is over Frame Relay specify a serial Aring interface and the DLCI If the CCS connection is over ATM specify ATM interface 0 and the PVC Step8 Router config if f no cdp enable Disables Cisco Discovery Protocol CDP on the interface Step9 Router config if f no keepalive Disables keepalive packets on the interface mi Cisco 10S Multiservice Applications Configuration Guide Configuring Support for PBX Signalling Protocols CCS Frame Forwarding Configuration Example W CCS Frame Forwarding Configuration Example The following configuration example configures CCS frame forwarding on controller E1 Other commands necessary for the configuration are included version 12 0 no service pad service timestamps
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