[cisco-voip] Integrating Channel Bank IVR with 2811/CCM

[Dave Wolgast]

I am trying to integrate a legacy IVR into our CallManager environment. The
IVR has a T1 interface which is set up as a "standard loop-start channel
bank" with answer supervision.

It is connected to a T1 port on a 2811. The controller/ds0-group is set up
as follows:
controller T1 0/0/0
framing ami
linecode sf
clock source internal
ds0-group 1 timeslots 1-24 type fxs-loop-start.

I have a dial-peer configured for access using DN 8082 (route pattern
configured in CCM):
dial-peer voice 13 pots
destination-pattern 8082
port 0/0/0:1

I also have a voip dial-peer configured:
dial-peer voice 100 voip
destination-pattern 8522
session target ipv4:10.xxx.xxx.xxx
incoming called-number 8522
dtmf-relay h245-signal cisco-rtp
codec g711ulaw

I can get calls from an IP phone to the IVR without an issue. I hear the
recording and can pass DTMF to the IVR without issue.

The goal is to have the IVR place a call to an IP phone. This is where we're
having trouble. The IVR is going off hook and says it hears dial tone. It is
matching the above pots dial-peer when it goes off-hook.

However, the 2811 gateway does not appear to receive any digits (IVR is
directed to send 8522), and thus can't hit any outbound dial-peer.

Have looked at debug voip ccapi inout, debug voip vtsp all, debug h245
events, and can't really see what is('nt) happening.

Does anyone have any suggestions as to what might be happening here?

Dave Wolgast

-- 
Dave Wolgast
Livonia, NY
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