[cisco-voip] calls to uccx trigger fail after enabling dns clients on cucm

[Countryman, Edward]

Ok, just to close out this thread with the problem resolution.

We had the server records in CUCM administration built with the names, but not as FQDN's.

Once changed, everything started working.

From: Ryan Huff [mailto:ryanhuff at outlook.com]
Sent: Thursday, June 18, 2015 2:19 PM
To: Countryman, Edward; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] calls to uccx trigger fail after enabling dns clients on cucm

- Check that forward and reverse DNS is working for ALL UC server FQDNs on your DNS server
- Have a look in CUCM Unified reporting and make sure you don't have any DB replication issues
- Look at the local voice network the phone is on; is it getting a DNS server that is able to resolve the FQDN of the UC servers?

Cheers,

-Ryan
________________________________
From: Edward.Countryman at PresenceHealth.org<mailto:Edward.Countryman at PresenceHealth.org>
To: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Date: Thu, 18 Jun 2015 18:58:30 +0000
Subject: [cisco-voip] calls to uccx trigger fail after enabling dns clients on cucm
Hello,  We've run into a very odd problem which I want to share and see if anyone might have any insight to share..

Let me describe the situation:

-New cucm 10.5.2 cluster, set up with DNS client enabled. (domain is:  mycompanyname.net)
-New uccx 10.6.1 server (still in demo mode) setup and integrated with the new cucm cluster.  DNS client enabled.  (domain is: mycompanyname.net)

When a phone (registered to new cucm cluster) calls a trigger on new uccx server it fails IF THE PHONE HAS mycompanyname.net as the domain name indicated..

HOWEVER:  if we change the domain name to something else, even something fake like BOGUS.NET, then calls complete normally.

I don't understand what could be happening here, any ideas?


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