CM6.1 - Microsoft Exchange 2007

Unanswered Question
Oct 10th, 2008


When I call to the voice mail I get a busy signal back. It has worked before.

The event viewer log from the Exchange server displays the following message: "the unified messaging server rejected an incoming call with ID ......@x.x.x.x" Reason "Cannot find a valid UM IP Gateway for x.x.x.x..."

Any idea why is this happening? There has been some new configuration for the OCS installation.



I have this problem too.
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MARTIN STREULE Fri, 10/10/2008 - 03:41

Are you sure that the UM IP Gateway is (still) configured in Exchange?

Is the dialplan okay?

abartolomeu Mon, 10/13/2008 - 01:50


In Exchange it seems to be everything properly configured as in the CUCM!

I would like to do some further troubleshooting like for example have some logs. What do you advise? /var/log?

Meanwhile there is something that I've noticed that I'm not sure if could be the problem:

On the administration UI, “System  Licensing  License Unit Report” I've confirmed that the license file is uploaded but the status does not indicate Ready.

Best Regards,



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