[cisco-voip] Changing CUCM System>Server from IP to FQDN

Ryan Ratliff (rratliff) rratliff at cisco.com
Tue Feb 18 14:45:50 EST 2014


Using FQDN in System->Server on UCM is specifically not supported in the Collab Edge deployment guide I'm looking at.

It's ok to use a hostname there but it must be resolvable by the Expressway-C (and the phones of course).

-Ryan

On Feb 18, 2014, at 11:36 AM, Erick Wellnitz <ewellnitzvoip at gmail.com<mailto:ewellnitzvoip at gmail.com>> wrote:

We were but it interferes with EMCC.  The phone only does DNS lookups for the domain it is assigned so we switched back to IP addreses.


On Tue, Feb 18, 2014 at 8:39 AM, Justin Steinberg <jsteinberg at gmail.com<mailto:jsteinberg at gmail.com>> wrote:
Is anyone using CUCM deployments where they set the System>Server value to the FQDN of the CUCM nodes ?

I'm in the process of deploying Jabber for Windows 9.6+ with Collaboration Edge, and there are requirements around certificate validation that seem to require the CUCM System>Server value set to a FQDN.

I'm concerned around making this change and curious if others are using FQDN.

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