[cisco-voip] Voice mail question

[Nate VanMaren]

Make sure an MTP is being invoked on the SIP trunk to Exchange.

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Brian Meade (brmeade)
Sent: Thursday, November 14, 2013 11:03 AM
To: Terry Oakley; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Voice mail question

Terry,

Is the voice gateway set up as H323 or SIP?

CallManager SDI traces set to Detailed will most likely show you the problem.  It may be as simple as allowing offnet-to-offnet transfers under Service Parameters or may be some sort of codec issue.

Brian

From: cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Terry Oakley
Sent: Thursday, November 14, 2013 12:16 PM
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: [cisco-voip] Voice mail question

Environment

CUCM 6.1 (Publisher and Subscriber)
VG2811 connected to two T1's
Voicemail hosted on a 2010 Exchange server.
SIP trunk to connect/route the caller to the Exchange Server.

Recent changes:
We have changed our DNS IP addresses and the issue appears to have changed since then.

Issue:

External callers do not get transferred to the voicemail server but rather get a 2UC1 message saying all circuits are busy.
Internal callers do get transferred to the voicemail server and can leave voice mail.

So I believe the SIP trunk in CUCM is working properly.
Staff can access the voice mail server from their sets and change/record greetings so I believe voicemail is functioning properly.
The issue appears to be that external callers are not forwarding to the proper route.
Doing a traceroute on the VG2811 to the IP address and DNS name of the Exchange server does show proper resolution.

What or where should I look to determine why external callers do not get transferred/routed to the voice mail system.   They are ringing phones but unanswered calls appear to be transferred back out to the PSTN.

Thanks

Terry

Terry Oakley
Telecommunication Coordinator, | Information Technology Services
100 College Blvd | Red Deer, AB T4N 5H5
Tel (403) 342-3521 | Terry.Oakley at rdc.ab.ca<mailto:Terry.Oakley at rdc.ab.ca>
[Description: RDC Logo]<http://www.rdc.ab.ca/>


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