CUCM与Cisco2811路由器SIP集成

命令间存在逻辑关联，必须按照前后顺序进行配置。

1. 配置语音编码及SIP地址格式

voice class uri 2 sip

 host ipv4:CUCM的地址

voice class codec 1

 codec preference 1 g729r8

 codec preference 2 g711ulaw

 codec preference 3 g711alaw

 codec preference 4 g722-64

2. 配置VOIP服务具体参数

voice service voip

 ip address trusted list

  ipv4 CUCM的地址 PUB

  ipv4 CUCM的地址 SUB1

 allow-connections h323 to h323

 allow-connections h323 to sip

 allow-connections sip to h323

 allow-connections sip to sip

 supplementary-service h450.12

 redirect ip2ip

 signaling forward unconditional

 fax protocol t38 version 0 ls-redundancy 0 hs-redundancy 0 fallback none

 sip

  bind control source-interface Loopback0

  bind media source-interface Loopback0

3. dial-peer 出入方向配置

dial-peer voice 2000 voip

 description Incoming Calls from CUCM

 session protocol sipv2

 incoming uri via 2

 voice-class codec 1  

 dtmf-relay sip-notify

 no vad

!

dial-peer voice 2001 voip

 description Outgoing calls to CUCM

 destination-pattern 3...

 session protocol sipv2

 session target ipv4:CUCM负责处理Call的SUB或PUB

 voice-class codec 1  

 dtmf-relay sip-notify

 no vad

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CUCM与Cisco2811路由器SIP集成

原文：http://aguifou.blog.51cto.com/1495469/1970516