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T58a can’t make or receive calls after Teams-> SIP conversion
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complex1 Offline
3CX Adv. Cert. Engineer
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Post: #2
RE: T58a can’t make or receive calls after Teams-> SIP conversion
(02-13-2022 10:44 PM)skintrustmd Wrote:  As stated in title. I followed the procedure and uploaded new license and firmware. The phone registers with voip.ms and is configured to their specs exactly. Using asus router with Merlin and tried turning sip helper off and on and putting phone ip in dmz. I even plugged the phone directly into cable modem with no luck. I think the problem is with the phone config. I tried reading th log files but I have no idea which ones to look at. One clue is that the phone doesn’t see to have valid security certificate when browsing to it’s ip or using the phone browser. Any help is much appreciated.

Hi,

Did you factory reset the phone after the firmware change?

When you call, does the other phone ring and when you receive a call does your phone ring, or do you have no audio when the call is established?

Kind regards,
Frank.

I am not an employee of Yealink.
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02-13-2022 11:57 PM
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RE: T58a can’t make or receive calls after Teams-> SIP conversion - complex1 - 02-13-2022 11:57 PM

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