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meauli.lim

09-18-2020, 08:08 AM
Hi,

After upgrade latest firmware (66.9.0.89) PIN authenticate login unable search Skype Contact, and now want to downgrade version 66.9.0.68 prohibited.

Submit support ticket, received few respond or not respond. Dodgy

Any suggestion?
Yealink Forums > Skype for Business/Lync > T48G > PIN Authenticate Unable Search Contact
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