codecs

  1. Three different places to set codec priority?

    I am trying to see if there is anything I can do to improve call audio quality which has lead me to checking codec priorities. I have read through Which Codecs does 3CX support and when? and have a rough understanding of how codec priorities work. If I understand correctly there is a matching...
    • ASTERHC
    • Thread
    • audio codecs codec codec preference codec priority codecs codecs extensions
    • Replies: 14
    • Forum: Phone System / PBX
  2. KMorley

    Outbound call test question: local and remote codecs differ...

    I am experimenting with codec priorities in an attempt to get the best audio quality. I am currently testing with Flowroute and they support G722, PCMU and PCMA. In the trunk configuration under options, I have the codecs prioritized in that order. I click the Check SIP Trunk button and place...
  3. rhaker

    Transcoding bug with PWA

    One of my users can't transfer calls, when they do this error is displayed: Failed to execute 'setRemoteDescription' on 'RTCPeerConnection': Failed to parse SessionDescription, a=rtpmap: 2 G726-32/8000 Duplicate statistically assigned payload type with contradicting codec name or clock rate...

  4. SBC Audio Quality vs Internal to Internal Calls

    Just set up a Raspberry PI SBC. This is GREAT solution for some of our staff that cannot manage with a softphone. The audio quality is GREAT. So much so that one of my internal staff ( I work from home ) mentioned that the audio quality on an SBC call is better than the audio quality on an...
    • amir_
    • Thread
    • codecs sbc
    • Replies: 4
    • Forum: Other

  5. Solved Audio quality issues - hiss / static / incoherence with every codec and config I've tried for all call types

    I've tried numerous different configurations over the last few months, and cannot seem to make the audio on calls meet even basic quality levels. I have done the following: 1) Implemented 3CX as a Debian based VM on both Hyper-V and MS Azure. 2) Implemented 3CX on a Raspberry Pi 4B with 8GB RAM...
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