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T20P Incoming Call From Fake Extension
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James_Yealink Offline
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Post: #4
RE: T20P Incoming Call From Fake Extension
Hi,

You can set phone to only accpet calls from your sip server through autoprovision:

Parameter:
account.1.sip_trust_ctrl = 1

Or you can upgrade phone to V73 and enable this option under Account-> Advanced interface.

Regards,
James
01-10-2015 07:23 PM
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RE: T20P Incoming Call From Fake Extension - James_Yealink - 01-10-2015 07:23 PM

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