Cisco Call Manager 7.0 SIP trunk to IP Office 500 R8.1 problem?

[Edward825]

We have Cisco Call Manager 7.0 in our lab (without Cisco Router as gateway) with few Cisco phones and our production IP PBX is IP Office 500 R8.1. I tried to configure SIP trunk between Call Manager and IP Office using guide on

https://devconnect.avaya.com/public/download/interop/CUCM8IPO7SIPtk.pdf.

Calls from Avaya IP Office to Call Manager are working fine, but in other direction we got busy tone on Cisco phone. Any idea what is the problem. I tried everything without luck.

Thanks.

 

[RodneyMcSnow]

Do you have an incoming router defined to ring a hunt group or phone(s) in the Incoming Route Table?

 

[amriddle01]

You don't need that for internal numbers, I would wager it isn't hitting the system, post a monitor trace



"No problem monkey socks