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40 msec voip packets

Discussion in '3CX Phone System - General' started by kolpano, Sep 10, 2007.

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  1. kolpano

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    Hi to all,

    i am new to 3CX. Reading through the release notes of the the 3CX , is mentioned that 40 msec voip packets are supported. From my client e.g. sipura 2000 i send in 40 msec voip packets. How is this configured in 3CX?

    Thanks,

    colpano
     
  2. SY

    SY Well-Known Member
    3CX Support

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    Hi colpano,

    You don't need to configure anything but your device. :)
    If you will have any problems, just describe it. We will try to resolve it (at least we will try to comment :) )

    Regards
     
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  3. kolpano

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    Hi,

    thanks for the reply. I just do not know how to check if it really is 40 msec from the PBX side. With asterisk i can do a "RTP DEBUG" and see rtp messages going back and forth and their size also (i.e. 20 30 40 msec - i usually "play" with g729 codec. But with 3CX do i have a way to confirm that both sides are "speaking" to each other in 40 msec packets ( i suppose that when sipura sends 40 msec packet then through sdp the sipura and the 3cx decide on 40 msec packets but how do i :see t?

    Thanks ,

    Kolpano
     
  4. SY

    SY Well-Known Member
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    Kolpano,

    FYI, G729 is not supported by 3CX.

    "00 ms" packet support means just that PBX will handle received "00 ms" packets and will send "00 ms" packets ( if it will be required by other party).

    Regards
     
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  5. kolpano

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    Thanks Stepan ,

    i know that 3cx does not support g729, but i suppose i can use 40 msec packets in g711 also.

    >00 ms" packet support means just that PBX will handle received "00 ms" >packets and will send "00 ms" packets ( if it will be required by other >party).

    What do you mean 00 msec packets?

    Also is there a way i can see it "happening"?

    Kolpano
     
  6. SY

    SY Well-Known Member
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    "00" means "10", "20", "30", "40" and so on milliseconds

    network protocol analyzer can answer your question.

    Regards
     
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  7. kolpano

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    Thanks a lot Stepan for your help.
     
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