Fundamental Cisco Unified Border Element Configuration
Fundamental Cisco Unified Border ElementConfigurationRevised: March 19, 2010First Published: June 19, 2006Last Updated: March 19, 2010This chapter describes fundamental configuration tasks required for Fundamental Cisco Unified BorderElement functionality. A Cisco Unified Border Element, in this guide also called an IP-to-IP gateway(IPIPGW), border element (BE), or session border controller, facilitates connectivity betweenindependent VoIP networks by enabling H.323 VoIP and videoconferencing calls from one IP networkto another. This gateway performs most of the same functions of a PSTN-to-IP gateway, but typicallyjoins two IP call legs, rather than a PSTN and an IP call leg.ActivationCisco Product Authorization Key (PAK)—A Product Authorization Key (PAK) is required to configure someof the features described in this guide. Before you start the configuration process, please register yourproducts and activate your PAK at the following URL http://www.cisco.com/go/license.Your software release may not support all the features documented in this module. For the latest featureinformation and caveats, see the release notes for your platform and software release. To find informationabout the features documented in this module, and to see a list of the releases in which each feature issupported, see the “Cisco Unified Border Element Features Roadmap” section on page 1.Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OSsoftware image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. Anaccount on Cisco.com is not required.For more information about Cisco IOS voice features, see the entire Cisco IOS Voice ConfigurationLibrary—including feature documents, and troubleshooting s/12 3/vvf c/cisco ios voice configuration library glossary/vcl.htm.Americas Headquarters:Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
Fundamental Cisco Unified Border Element ConfigurationContentsContents Prerequisites for Fundamental Cisco Unified Border Element Configuration, page 48 Restrictions for Fundamental Cisco Unified Border Element Configuration, page 48 Information About Cisco Unified Border Element Features, page 49 How to Configure Fundamental Cisco Unified Border Element, page 49 Configuration Examples for Fundamental Cisco Unified Border Element, page 106 Additional References, page 115 Feature Information for Cisco Unified Border Element Configuration Guide, page 1195 Glossary, page 121Prerequisites for Fundamental Cisco Unified Border ElementConfiguration Perform the prerequisites listed in the “Prerequisites for Cisco Unified Border ElementConfiguration” section in this guide. Perform basic H.323 gateway configuration. Perform basic H.323 gatekeeper configuration.NoteFor configuration instructions, see the “Configuring H.323 Gateways” and “Configuring H.323Gatekeepers” chapters of the Cisco IOS Voice, Video, and Fax Configuration Guide,Release 12.2.Restrictions for Fundamental Cisco Unified Border ElementConfiguration48 Cisco Unified Border Elements that require the Registration, Admission, and Status (RAS) protocolmust have a via-zone-enabled gatekeeper or equivalent. Cisco Unified Border Elements interoperate with Cisco ATA 186, Cisco ATA 188, CiscoCallManager, Cisco CallManager Express 3.1, Cisco IOS gateways, NetMeeting, and PolycomViewStation. Cisco fax relay is reported as a voice call on an Cisco Unified Border Element. Fax calls are reported as a modem plus fax call when modem CLI are present. Slow-start to fast-start interworking is supported only for H.32-to-H.323 calls. DTMF Interworking rtp-nte to out of band is not supported when high density transcoder is enabled.Use normal transcoding for rtp-nte to out of band DTMF interworking.
Fundamental Cisco Unified Border Element ConfigurationInformation About Cisco Unified Border Element Features The transcoding process on the Cisco Unified Border Element will always drop fast-start calls downto slow-start between H.323 endpoints even when the H.323 terminating endpoints support fast-startcalls. Cisco Unified Border Element supports T.38 fax relay (H.323 Annex D). However, endpointsconfigured with Named Signaling Events (NSE) may result in reduced fax transmission quality andare not supported.Information About Cisco Unified Border Element FeaturesGateway feature benefits include the following: Codec filtering by restricting codecs advertised on outbound call legs. For example, restriction ofhigh-bandwidth codecs is possible on the reorigination side of the Cisco Unified Border Elementoutbound dial peer. Support for changing codecs during rotary dial peer selection. Network privacy by hiding the internal network structure from other administrative domains. Ability to create interconnections between different VoIP network types (such as SIP-to-H.323,H.323-to-SIP, and SIP-to-SIP protocol interworking). Better voice quality, cost and space savings (including rack density), and feature set compared withback-to-back gateways. Support for TDM voice. Support for Cisco ATA188 and third-party endpoints. More control of calls routed between ITSPs.How to Configure Fundamental Cisco Unified Border ElementThis section contains the following tasks: Configuring an Ethernet Interface, page 50 Configuring a RTP Loopback Interface, page 51 Configuring Codec Transparency on a Cisco Unified Border Element, page 53 Configuring iLBC Codec on a Cisco Unified Border Element, page 56 iSAC Codec Support on TDM-IP Voice Gateways and Cisco UBE Platforms, page 56 SG3 Fax Support on Cisco TDM-IP Voice Gateways and Cisco UBE Platforms, page 65 Configuring QoS for a Cisco Unified Border Element, page 74 Configuring Cisco Unified Border Element for High Utilization, page 76 Configuring Cisco Unified Border Element with OSP, page 79 Media Statistics on a Cisco Unified Border Element, page 84 Voice Quality Enhancements on Cisco Unified Border Element, page 92 Troubleshooting and Verifying Fundamental Cisco Unified Border Element Configuration andOperation, page 10449
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementConfiguring an Ethernet InterfaceYou can configure the Cisco Unified Border Element feature to operate with either a single Ethernetinterface for all incoming, outgoing, and via-zone gatekeeper traffic or two Ethernet interfaces forsignaling and media streams (optional but highly recommended for single-interface configurations). Toconfigure an Ethernet interface, perform the steps in this section.SUMMARY STEPS1.enable2.configure terminal3.interface type slot/port4.ip route-cache same-interface5.exitDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminalStep 3interface type slot/portSelects the Ethernet interface that you want to configure.Example:Router(config)# interfacefastethernet 0/1Step 4ip route-cache same-interfaceExample:Controls the use of high-speed switching caches for IP routing byenabling fast-switching packets to back out on the same interface onwhich they arrived.Router(config-if)# ip route-cachesame-interfaceStep 5exitExample:Router(config-if)# exit50Exits the current mode.
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementExamplesThe following example shows a configuration that uses a single Ethernet interface for all traffic:interface FastEthernet0/1ip address 10.16.8.6 255.255.0.0no ip redirectsip route-cache same-interfacespeed autofull-duplexh323-gateway voip interfaceh323-gateway voip id 7206-vgk1 ipaddr 10.16.8.71 1719h323-gateway voip h323-id 3660-hud1h323-gateway voip tech-prefix 1#h323 gateway voip bind srcaddr 10.16.8.6Configuring a RTP Loopback InterfaceThe Cisco Unified Border Element supports configuration of an RTP loopback dial peer for use inverifying and troubleshooting H.323 networks. When a call encounters an RTP loopback dial peer, thegateway automatically signals call connect and loops all voice data back to the source. In contrast tonormal calls through the VoIP-to-VoIP gateway, RTP loopback calls consist of only one call leg.To configure a RTP loopback interface, perform the steps in this section.SUMMARY STEPS1.enable2.configure terminal3.dial-peer voice number voip4.incoming called-number string5.destination-pattern string6.codec codec7.session target loopback:rtp8.exitDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminal51
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementStep 3Command or ActionPurposedial-peer voice number voipEnters dial-peer configuration mode for the specified VoIPdial peer.Example:Router(config)# dial-peer voice 2 voipStep 4incoming called-number stringExample:Associates a prefix with the dial peer for incoming calllegs. This enables a specific codec to be applied toincoming call legs.Router(config-dial-peer)# incoming called-number555. Step 5destination-pattern stringAssociates the called number prefix with this dial peer foroutgoing call legs.Example:Router(config-dial-peer)# destination-pattern555. Step 6Assigns a codec to the dial peer.codec codecNoteExample:Router(config-dial-peer)# codec g711ulawStep 7session target loopback:rtpThe assigned codec must be supported by theincoming call. A codec preference list can be usedin place of the specific codec. The specific codecwill cause the IP-to-IP mode to be disabled forthese calls. The transparent codec option cannot beused for RTP loopback.Specifies the RTP loopback option for all calls using thisdial peer.Example:Router(config-dial-peer)# session targetloopback:rtpStep 8Exits the current mode.exitExample:Router(config-dial-peer)# exitExamplesUsing a Single Dial Peer on a Cisco Unified Border ElementRouter(config)# dial-peer voice 5550199 voipRouter(config-dial-peer)# incoming called-number 5550199Router(config-dial-peer)# destination-pattern 5550199Router(config-dial-peer)# codec g711ulawRouter(config-dial-peer)# session target loopback:rtpUsing Separate Dial Peers on a Cisco Unified Border Elementdial-peer voice 5550188 voipincoming called-number 5550188session target rascodec g711ulaw!dial-peer voice 5550182 voipdestination-pattern 5550188session target loopback:rtp52
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementUsing a Codec Preference List to Support Additional Codecsvoice class codec 1codec preference 1 g711ulawcodec preference 2 g729r8dial-peer voice 5429999 voipincoming called-number 5550199destination-pattern 5550199voice-class codec 1session target loopback:rtpConfiguring Codec Transparency on a Cisco Unified Border ElementCodec transparency enables the Cisco Unified Border Element to pass codec capabilities betweenendpoints. If you configure transparency, the Cisco Unified Border Element uses the codec that wasspecified by the endpoints for setting up a call.To configure codec transparency on an Cisco Unified Border Element, perform the steps in this section.This section contains the following subsections: Configuring Codec Transparency for All Dial Peers in a Voice Class, page 53 Configuring Codec Transparency for an Individual Dial Peer, page 54 Codec transparency is only supported for H.323-to-H.323 calls. Codec filtering must be based on codec types; filtering based on byte size is not supported. Codec transparency is not supported when call start interwork is configured. For video calls, you must configure codec transparency in both incoming and outgoing dial peers.Codec filtering may not be possible for video calls.RestrictionsConfiguring Codec Transparency for All Dial Peers in a Voice ClassTo configure codec transparency for all dial peers in a voice class, perform the steps in this section.SUMMARY STEPS1.enable2.configure terminal3.voice class codec tag4.codec preference value codec-type5.exit6.dial-peer voice number voip7.voice class codec tag8.exit53
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminalStep 3voice class codec tagEnters voice-class configuration mode for the specifiedcodec voice class.Example:Router(config)# voice class codec 1Step 4codec preference value codec-typeExample:Router(config-class)# codec preference 1transparentStep 5Specifies a list of preferred codecs to use on a dial peer.In this case, specifies that the transparent codec(1 transparent) is to be used so that codec capabilities arepassed transparently between endpoints.Exits the current mode.exitExample:Router(config-class)# exitStep 6dial-peer voice number voipEnters dial peer configuration mode for the specifiedVoIP dial peer.Example:Router(config)# dial-peer voice 1 voipStep 7Router(config-dial-peer)# voice-class codec 1Assigns the previously configured codec-selectionpreference list (codec voice class) to the specified voiceclass. The tag number maps to the tag number created bymeans of the voice class codec command.exitExits the current mode.voice-class codec tagExample:Step 8Example:Router(config-dial-peer)# exitConfiguring Codec Transparency for an Individual Dial PeerTo configure codec transparency for an individual dial peer, perform the steps in this section.RestrictionsIf you plan to configure both incoming and outgoing dial peers, you must specify the transparent codecon the incoming dial peer.54
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementSUMMARY STEPS1.enable2.configure terminal3.dial-peer voice number voip4.codec codec-type5.exitDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminalStep 3dial-peer voice number voipEnters dial-peer configuration mode for the specifiedVoIP dial peer.Example:Router(config)# dial-peer voice 2 voipStep 4codec codec-typeSpecifies the transparent codec for this dial peer.Example:Router(config-dial-peer)# codec transparentStep 5Exits the current mode.exitExample:Router(config-dial-peer)# exitExamplesThe following example shows an inbound and outbound dial peer on the same tag in which the inbounddial peer is configured with the transparent codec, and the outbound dial peer is configured with the filtercodec:dial-peer voice 1 voipincoming called-number .Tdestination-pattern .Tsession target rascodec transparentThe following example shows separate tags for the inbound and outbound dial peers:dial-peer voice 1 voipdestination-pattern .Tsession target rascodec transparent55
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border Elementdial-peer voice 2 voipincoming called-number .Tcodec transparentdestination-pattern .Tsession target rasThe following example shows filtering of high-bandwidth codecs applied to dial peer 1. With thisconfiguration, codecs other than those specified are disallowed.voicecodeccodeccodecclass codec 1preference 1 g729br8preference 2 g723r53preference 3 g723r68dial-peer voice 1 voipvoice-class codec 1The following shows a different filtering configuration. With this configuration, codecs other thang729r8 are disallowed.dial-peer voice 1 voipdestination-pattern .Tsession target rasConfiguring iLBC Codec on a Cisco Unified Border ElementThe internet Low Bitrate Codec (iLBC) is a standard, high-complexity speech codec that is suitable forrobust voice communication over IP. iLBC has built-in error correction functionality that helps the codecperform in networks with a high-packet loss.NoteH.323-to-SIP calls, the iLBC codec configuration must be the same across all the call legs in the call.i.e. originating gateway, Cisco Unified Border Element(s) and terminating gateway.Additional information and configuration of the iLBC code on an Cisco Unified Border Element can befound at the following links: Codecs section of the Dial Peer Configuration on Voice Gateway Routers ct/software/ios123/123cgcr/vvfax c/int c/dpeer c/dp ovrvw.htm#1035124 Dial Peer Features and Configuration section of the Dial Peer Configuration on Voice GatewayRouters ct/software/ios123/123cgcr/vvfax c/int c/dpeer c/dp confg.htmiSAC Codec Support on TDM-IP Voice Gateways and Cisco UBE PlatformsThis section provides information about Cisco internet Speech Audio Codec (iSAC) support onCisco Time Division Multiplexing–Internet Protocol (TDM-IP) Voice Gateways and Cisco UnifiedBorder Element (Cisco UBE) platforms.56
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementContents Prerequisites, page 93 Restrictions, page 93 Information About SG3 Fax Support on Cisco TDM-IP Voice Gateways and Cisco UBE Platforms,page 67 iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE Platforms Overview,page 58 How to Configure iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBEPlatforms, page 58 Configuration Examples for iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBEPlatforms, page 63Prerequisites for iSAC Codec Support on TDM-IP Voice Gateways and Cisco UBE PlatformsThe following prerequisites apply to this feature: Working familiarity with Cisco IOS command-line interface and basic configuration procedures forvoice gateway networks. Additional basic information with which you should be familiar isprovided in the following chapters of the Cisco Unified Border Element Configuration Guide:– Overview of Cisco Unified Border Element– Fundamental Cisco Unified Border Element Configuration– SIP-to-SIP Connections on a Cisco Unified Border Element You should be familiar with the configuration information in the Universal Voice TranscodingSupport for IP-to-IP Gateways document. You should be familiar with the Cisco IOS Fax, Modem, and Text Support over IP ConfigurationGuide.Restrictions for iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE PlatformsThe following restrictions apply to this feature: Low complexity is not supported for the iSAC codec.Information About iSAC Codec Support on TDM-IP Voice Gateways and Cisco UBE PlatformsTo configure iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE Platforms, youshould understand the following concept: iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE Platforms Overview,page 5857
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementiSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE Platforms OverviewThe iSAC codec is an adaptive VoIP codec specially designed to deliver wideband sound quality in bothlow- and high-bit rate applications. The iSAC codec automatically adjusts the bit-rate for the best qualityor a fixed bit rate can be used if the network characteristics are known. This codec is designed forwideband VoIP communications. The iSAC codec offers better quality with reduced bandwidth forsideband applications.How to Configure iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE PlatformsThis section contains the following procedures: Configuring iSAC Codec Support Under VoIP Dial Peer Configuration Mode, page 58 Configuring iSAC Codec Support Under Voice-Class Configuration Mode, page 59 Configuring iSAC Codec Support Under DSP Farm Profile Configuration Mode, page 61Configuring iSAC Codec Support Under VoIP Dial Peer Configuration ModePerform the following tasks to configure the use of the iSAC codec for an individual VoIP dial peer. Notethat there are other keywords and arguments for the some of the commands in this procedure, but theyare not relevant to the configuration of the iSAC codec, so they have been omitted for brevity and clarity.SUMMARY STEPS1.enable2.configure terminal3.dial-peer voice tag voip4.codec isac [mode {independent adaptive} [bit rate value framesize {30 60}[fixed]]]5.rtp payload-type cisco-codec-isacDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminalStep 3dial-peer voice tag voipExample:Enters dial-peer configuration mode and defines a dial peerthat directs traffic to or from a packet network. tag—Dial-peer identifier that consists of one or moredigits. Range: 1 to 2147483647. voip—Calls from this dial peer use voice encapsulationon the packet network.Router(config)# dial-peer voice 1 voip58
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementStep 4Command or ActionPurposecodec isac [mode {independent adaptive} [bitrate value framesize {30 60} [fixed]]]Specifies the iSAC codec: mode—(Optional) Determines whether configurationmode (VBR) is independent (value 1) or adaptive(value 0). bit rate—(Optional) Configures the target bit rate thatis allowed. The range for the value argument is 10 to32 kbps. framesize—(Optional) Specifies the packetizationrate. Acceptable values are 30 or 60 ms speech framessampled at 16 kHz. fixed—(Optional) Indicates that the framesize will befixed. Applicable to the framesize for adaptive modeonly.Example:Router(config-dial-peer)# codec isac modeindependentDefault values can be configured by entering the codec isaccommand. Default values are:Step 5rtp payload-type cisco-codec-isac value Mode: independent Target bit-rate: 32000 bps Framesize: 30msSpecifies the iSAC codec for the RTP payload type: value—Range is 96 to 127. The default value is 124.Example:Router(config-dial-peer)# rtp payload-typecisco-codec-isacConfiguring iSAC Codec Support Under Voice-Class Configuration ModeTo configure support for the iSAC codec under voice-class configuration mode, complete the followingtasks.SUMMARY STEPS1.enable2.configure terminal3.voice class codec tag4.codec isac [mode {independent adaptive} [bit rate value framesize {30 60}[fixed]]]5.exit6.dial-peer voice tag voip7.voice-class codec tag8.exit59
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminalStep 3voice class codec tagExample:Router(config)# voice class codec 123Step 4codec isac [mode {independent adaptive} [bitrate value framesize {30 60} [fixed]]]Assigns a previously configured codec selection preferencelist (codec voice class) to the VoIP dial peer designated bytag argument: Range for the tag value is 1 to 10000. Maps to the tag number created using the voice classcodec command.Specifies the iSAC codec: mode—(Optional) Determines whether configurationmode (VBR) is independent (value 1) or adaptive(value 0). bit rate—(Optional) Configures the target bit rate thatis allowed. The range for the value argument is 10 to32 kbps. framesize—(Optional) Specifies the packetizationrate. Acceptable values are 30 or 60 ms speech framessampled at 16 kHz. fixed—(Optional) Indicates that the framesize will befixed. Applicable to the framesize for adaptive modeonly.Example:Router(config-voice)# codec isac modeindependentDefault values can be configured by entering the codec isaccommand. Default values are:Step 5exit Mode: independent Target bit-rate: 32000 bps Framesize: 30msExits the current configuration mode.Example:Router(config-voice)# exitStep 6dial-peer voice tag voipExample:Router(config)# dial-peer voice 123 voip60Enters dial-peer configuration mode for the VoIP dial peerdesignated by tag.
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementCommand or ActionStep 7voice-class codec tagStep 8exitPurposeAssigns a previously configured codec selection preferencelist (codec voice class) to the VoIP dial peer designated bytag. Range is 1 to 10000. Maps to the tag number createdExample:using the voice class codec command.Router(config-dial-peer)# voice-class codec 123Exits the current configuration mode.Example:Router(config-dial-peer)# exitConfiguring iSAC Codec Support Under DSP Farm Profile Configuration ModeTo configure support for the iSAC codec under DSP farm profile configuration mode, complete the following tasks.SUMMARY STEPS1.enable2.configure terminal3.voice-card slot4.dsp services dspfarm5.exit6.dspfarm profile profile-identifier {conference mtp transcode}7.description text8.codec codec-type9.maximum sessions numberormaximum sessions {hardware software} number10. maximum conference-participants number11. associate application sccpDETAILED STEPSStep 1Command or ActionPurposeenableEnables privileged EXEC mode. Enter your password if prompted.Example:Router enableStep 2configure terminalEnters global configuration mode.Example:Router# configure terminal61
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementStep 3Command or ActionPurposevoice-card slotEnters voice-card configuration mode for the networkmodule on which you want to enable DSP resource services.Example:Router(config)# voice-card 1Step 4dsp services dspfarmEnables DSP-farm services for the voice card.Example:Router(config-voicecard)# dsp services dspfarmStep 5exitExits voice-card configuration mode.Example:Router(config-voicecard)# exitStep 6dspfarm profile profile-identifier{conference mtp transcode}Enters DSP farm profile configuration mode to define aprofile for DSP farm services.NoteThe profile-identifier and service type uniquelyidentifies a profile. If the service type andprofile-identifier pair is not unique, you areprompted to choose a different profile-identifier.NoteFor transcoding, you can specify just the codectype, and the DSP uses the default codec parameter,such as independent mode, 32 kbps bit-rate, and30 ms framesize.Example:Router(config)# dspfarm profile 20 conferenceStep 7description text(Optional) Includes a specific description about theCisco DSP farm profile.Example:Router(config-dspfarm-profile)# descriptionart deptStep 8codec codec-typeExample:Router(config-dspfarm-profile)# codec iSACSpecifies the codecs supported by a DSP farm profile. Toconfigure iSAC codec support, enter isac for thecodec-type. The iSAC codec configuration supports bothG.711-to-any and universal any-to-any configurations. 62Repeat this step for each codec supported by the profile.NoteHardware MTPs support only G.711 a-law andG.711 u-law. If you configure a profile as ahardware MTP, and you want to change the codec toother than G.711, you must first remove thehardware MTP by using the no maximum sessionshardware command.NoteOnly one codec is supported for each MTP profile.To support multiple codecs, you must define aseparate MTP profile for each codec.
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border ElementStep 9Command or ActionPurposemaximum sessions numberSpecifies the maximum number of sessions that aresupported by the profile.ormaximum sessions {hardware software} numberExample: NoteRouter(config-dspfarm-profile)# maximumsessions 4Step 10maximum conference-participants numberRouter(config-dspfarm-profile)# maximumconference-participants 64Step 11associate application sccpThe hardware and software keywords apply onlyto MTP profiles.Specifies the maximum number of conference participantssupported by the profile. Example:number—Range is determined by the availableregistered DSP resources. Default is 0.number—Range is determined by the availableregistered DSP resources. Acceptable values are 8, 16,32, and 64.Associates the SCCP protocol to the DSP farm profile.Example:Router(config-dspfarm-profile)# associateapplication sccpConfiguration Examples for iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBEPlatformsThis section provides the following configuration example: Configuring iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE PlatformsConfiguring iSAC Codec Support on Cisco TDM-IP Voice Gateways and Cisco UBE PlatformsThe following example shows a sample configuration for iSAC codec support configured under DSPfarm profile on a Cisco 2811:Router# show running-configBuilding configuration.Current configuration : 2108 bytes M!! Last configuration change at 16:00:26 PDT Mon Mar 15 2010!version 15.1service timestamps debug datetime msec localtime show-timezoneservice timestamps log datetime msec localtime show-timezoneno service password-encryption!hostname Router!boot-start-markerboot-end-marker!!card type t1 0 0logging buffered 5120000no logging consoleenable password xxx!no aaa new-model63
Fundamental Cisco Unified Border Element ConfigurationHow to Configure Fundamental Cisco Unified Border Elementmemory-size iomem 5clock timezone PDT -7network-clock-participate wic 0!ip source-route!!ip cef!!no ip domain lookupip host xxxx 223.255.254.254no ipv6 cefmultilink bundle-name authenticated!!voice-card 0dsp services dspfarm!!!license udi pid CISCO2811 sn xxxxxxxxxxxarchivelog con
speed auto full-duplex h323-gateway voip interface h323-gateway voip id 7206-vgk1 ipaddr 10.16.8.71 1719 h323-gateway voip h323-id 3660-hud1 h323-gateway voip tech-prefix 1# h323_gateway voip bind srcaddr 10.16.8.6 Configuring a RTP Loopback Interface The Cisco Unified Border Element suppo
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