codec priority

  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. KeithA

    Solved Grandstream FXS HT802 Codec config

    Hi All, I'm trying to set the codec order on this device, but cant find the options for it in v20? on v18 its under advanced > FXS/DECT > device details there is a codec priority section allowing the order and additional codecs. Anyone know where I can set this as the fxs is defaulting to PCMU...
    • KeithA
    • Thread
    • codec priority fxs/dect
    • Replies: 5
    • Forum: Other

  3. Unnecessary Codec Transcoding

    Hello Experts 3CX system is unnecessarily transcoding the codec instead of negotiating. When a particular codec is present in both the leg of the call, transcoding is unnecessary. It should negotiate the codec If any of you guys have any solution to this, please let me know. I believe 3CX...
    • Wunan
    • Thread
    • codec priority
    • Replies: 8
    • Forum: Other

  4. Solved 3cx keeps sending PCMU to Grandstream GXW4104

    Hello, We have provisioned a Grandstream GXW4104 to our 3cx running Professional Annual 16.0.8.9. The customer complains that they have no outgoing audio in outbound calls, while inbound calls work with 2 way audio. I noticed that 3cx keeps sending PCMU to the GXW4104, instead of PCMA which has...

  5. Change phones' codec priority through templates

    Hello, We are using latest 15.5 SP6 for our 3cx and latest provisioning templates for our Polycom VVX 4xx,6xx and Yealinks T2xP (version 80502). We have been trying to change the priority of the G.711a-law codec on the phones, so that it is used first in the SDP. Our target is to change the...
    • George Ts
    • Thread
    • codec codec priority polycom priority t26p t28p templates vvx yealink
    • Replies: 21
    • Forum: Phone System / PBX

  6. Disable Transcoding

    If an HD codec is used for internal calls (Opus, G722) and for the provider e.g. only G711 is available, is automatically transcoded at "PBX Delivers Audio active" and the voice quality is severely impaired. In some VPN scenarios it is better if "PBX Delivers Audio" is enabled on the Sip trunk...
    • moritz
    • Thread
    • codec codec preference codec priority g.711 mediaserver g.722 opus transcoding
    • Replies: 5
    • Forum: Server

  7. Multi Selection of Extension

    Hello together I really like the option to mulit select extension and change some settings at once....Some option are not implemented the right way. I wan't to change the codec priority for all 3cx Clients => It's not possible the buttons are greyed out... Can you fix this please? Thank you
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