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3CX has added the uaCSTA feature in the newest software release v15.5

As I understand almost all Yealink phones support this uaCSTA feature, EXCEPT the DECT phones W52P and W56P, even if they are running the v81 firmware.

Please add the uaCSTA feature. It would be nice if the DECT phones support it too.

Thank you.
Hi Frank,

long time no see, thanks for your info.

I have talked with our PD, and they plan to do it with V82 DECT firmware, but now this is just a plan, so can not promise you.

But if we can do it in V82,we are glad to add this feature to V82.


Hi Klaus,

Thank you for your prompt reply.
Please keep me posted.

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