Introduction
This document covers the procedure for configuring the SIP Trunk to more than one Service provider on Cisco Unified Border Element (CUBE).
Configuration

Sample configuration
interface loopback1
ip address 10.10.10.1 255.255.255.0
interface loopback2
ip address 20.20.20.2 255.255.255.0
dial-peer voice 1 voip
description "Primary path to sip sp-1"
destination-pattern 91[2-9]......
session protocol sipv2
session target ivp4: 10.10.10.2
voice class sip options-keepalive
voice-class sip bind control source-interface loopback1
voice-class sip bind media source-interface loopback1
dial-peer voice 2 voip
description "secondary path to sip sp-2"
destination-pattern 91[2-9].....
session protocol sipv2
session target ipv4:20.20.20.2
preference 2
voice-class sip options-keepalive
voice-class sip bind control source-interface loopback2
voice-class sip bind media source-interface loopback2
Note: Dual SPs can be used for outbound calls.
Information you required from Service Provider while provisioning SIP Trunk
Related Information