[cisco-voip] Nortel Phone on CallManager

[Ryan Ratliff]

The phone going through the process of re-logging in sounds like the SIP register being sent back to CUCM.  This is normal and is the mechanism SIP endpoints use for keepalives.  If CUCM is resetting the phone then we think this is a new registration and not a keepalive.

-Ryan

On Oct 13, 2010, at 10:45 AM, Rayan Gandhi wrote:

Hi,
 
I have CCM 7.1 running in a lab and testing the in house phone, a Nortel 1140 and 1120, connected to it with a SIP firmware.  Functionally, the phone seems fine but I running into an issue with an active call dropping just under 2 mins.  What is causing the call to drop is the phone going through a process of re-logging in the user and checking the license on CCM.  I suspected that it was related to the phone itself and the need to have a token (License for the phone) but according to the vendor, the eval license does not effect the ability to have a call at length, only the amount of days the phone can be used. The version of the SIP firmware I am using is 3.2
 
Has anyone successfully connected a nortel IP phone to ccm and had this issue?  how was it resolved?  Is there something else I am missing that could be causing this?
 
Thanks.
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