[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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T20P stuck on fonality, help me!
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johnkiniston Offline
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Posts: 23
Joined: Apr 2013
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Post: #2
RE: T20P stuck on fonality, help me!
You will need to contact your reseller/provider and ask them to help you with the firmware upgrade, the firmware on your phone is custom and can not be upgraded to the generic firmwares from the Yealink site.
08-23-2018 03:18 PM
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T20P stuck on fonality, help me! - syadnom - 08-23-2018, 02:35 AM
RE: T20P stuck on fonality, help me! - johnkiniston - 08-23-2018 03:18 PM

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