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  1. Polycom IP 550 Call Quality

    I have a Polycom IP 550 which I copied the latest 3CX provisioning file and uploaded it to the phone. The codecs used are G711U and G711A. Firmware has benn upgraded to 4.1.1.0731 and phone is fully provisioned in 3cx. The callee is complaining that he can't hear well when I make a call from my...

  2. Audio issues = Random 1 way audio

    We ar shaving similar issues. Would like to get some answers as well.

  3. Yelling T23G Fw. Version Not Supported

    On the 3cx website it says 44.81.0.60 https://www.3cx.com/sip-phones/yealink-t20p-t22p-t26p-t28p/ On Yealink website 44.81.0.61 is not available, not 44.81.0.60. http://support.yealink.com/documentFront/forwardToDocumentDetailPage?documentId=18 We have set the test phone to factory default and...

  4. Yelling T23G Fw. Version Not Supported

    We are setting up a new installation Pro Edition on version 15.0.0 The Yellink T23G phones arrived with Firmware version 44.80.0.130. After provisioning was completed and the phone were operational, we noticed under the Phones tab, that 3CX was reporting that the version was not supported. We...
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