[YMCS/YDMP Free Trial Program]Yealink would like to offer Free Trial Program of Yealink device management service for our current eligible customers. You can see the details below.
https://www.yealink.com/ydmp-freetrial-2020


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Yealinks T2xP do not respond to INVITE requests
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jolouis Offline
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RE: Yealinks T2xP do not respond to INVITE requests
Never ran into that myself but we peaked out T28/26s at 2.72.0.51 as that was the last super stable version and we never bothered to upgrade to V73 firmware.

We run with Asterisk not 3CX so can't confirm, but maybe try rolling back to 2.72.0.51 and see if that resolves the issue, then you know for sure its a bug. Keep in mind T28/26 are EOL long ago now so chances of any fixes are probably non-existent, so finding an existing firmware that works is your best bet.
01-23-2019 03:53 PM
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RE: Yealinks T2xP do not respond to INVITE requests - jolouis - 01-23-2019 03:53 PM

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