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The following Sonus SBC Portfolio video configuration best practices are intended to ensure optimum video quality.

  1. Enable RTCP relay on both legs to ensure video RTCP feedback messages are relayed..
    Example:

    % set profiles media packetServiceProfile IN_PSP rtcpOptions rtcp enable terminationForPassthrough disable 



  2. Enable SIP INFO relay and transparency for unknown bodies to allow relay of the FAST UPDATE SIP INFO
    Example:

    % set profiles signaling ipSignalingProfile DEFAULT_SIP commonIpAttributes relayFlags info enable
    % set profiles signaling ipSignalingProfile DEFAULT_SIP commonIpAttributes transparencyFlags unknownBody enable



  3. If the SBC receives fragmented media packets (audio, video, FECC, and BFCP) beyond MTU size, it will increment an error counter in SYS log. An example SYS log entry is shown below.

    140 10152012 190702.985943:1.01.00.31881.MAJOR   .PRSNP: *NP 0 error 
    counter rcvPkt2Big          incremented: cnt 8749 last error 0x101203f


    To rectify this, adjustments must be made at the endpoints.

 


 

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