Polycom IP 550 Call Quality

Discussion in '3CX Phone System - General' started by Anthony Bento, Jul 10, 2017.

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  1. Anthony Bento

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    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 extension to him. Claims that tmy voices fades to nothing so he is hearing partial words.

    We also had G722 and G729 as available codecs but removed these. The callee said he saw some improvement.

    Below is a dropbox link to the wireshark file with call being made from extension 151 to extension 100. Both phones are on the same subnet. Extension 100 is ip 192.168.101.131 and extension 151 is ip 192.168.101.61.

    https://www.dropbox.com/s/vbf6mm503qisbeb/wireshark Ext 151to200.pcapng?dl=0

    Grateful for any help you can provide.
     
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