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Sip phone T21P Cannot configure sip server as %NULL%
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asenthil Offline
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Post: #1
Sip phone T21P Cannot configure sip server as %NULL%
Hello Support Team,

When attempting to disable a registered Yealink T21P phone by providing a configuration file with parameters,
account.1.sip_server.1.address = %NULL%
account.1.sip_server.1.port = %NULL%

the phones' UI still displays previous Sip server details and the phone continues to register with the sip server.

I am able to edit the parameters, but not remove them.
Any help would be appreciated.
Thank you!
09-02-2016 06:55 PM
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CWR Offline
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Post: #2
RE: Sip phone T21P Cannot configure sip server as %NULL%
try this:
account.1.enable = 0

Craig Reilly
MCSA, 3cx Advanced Certified
Scottsdale, AZ
09-03-2016 01:40 AM
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asenthil Offline
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Post: #3
RE: Sip phone T21P Cannot configure sip server as %NULL%
Thanks, The above solution works in that the phone does not register with SIP server.

On looking into the issue further, I have found that, when setting sip server parameters as %NULL% the phone unregisters and then immediately registers with the SIP server.

Is there any other way to overcome this unexpected behavior?

Expected outcome: When SIP server parameters are set to %NULL%, the change should be reflected in the UI, phone must unregister and NOT register again immediately.
(This post was last modified: 09-06-2016 08:05 PM by asenthil.)
09-06-2016 02:14 PM
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