**Note: The IOS used in this POC lab does not require SIP profile association.
Using Cisco ISR as a Unified Border Element
Unified CVP supports ISR 15.0(1)M1.2, 15.1(4)M3, 15.2(2)T, 15.2(3)T1 and 15.2.4 M with the following limitations:
A“sip-profile” configuration is needed on ISR for the courtesy callback feature. To configure the “sip-profile”, the following must be added: voice class sip-profiles 103request INVITE sip-header Call-Info add "X-Cisco-CCBProbe: <ccb param>" where “<ccb param>” is the “ccb” parameter defined in the survivability service. Add this “sip-profile” to the outgoing dial-peer to the CVP.
The following is a configuration example: voice class sip-profiles 103request INVITE sip-header Call-Info add "X-Cisco-CCBProbe:id:192.168.1.50;loc:testbed04;trunks:10" application service survivability flash:survivability.tcl param ccb id:192.168.1.52;loc:testbed04;trunks:10 dial-peer voice 700051 voip description Comprehensive outbound route to CVP destination-pattern 7000200T session protocol sipv2 session target ipv4:192.168.1.20:5060 dtmf-relay rtp-nte voice-class sip profiles 103 codec g711ulaw no vad
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