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Header compression

  • This topic has 3 replies, 1 voice, and was last updated 24 years ago by Mian Hameed.
Viewing 4 posts - 1 through 4 (of 4 total)
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  • 16th November 2000 at 11:49 #19840
    Stéphane
    Guest

    Most of VoIP solution manufacturer recommend Header Compression. Will you include Header Compression in your calculators?

    Thanks a lot.
    Great work! Great explanation.

    16th November 2000 at 12:00 #19841
    Voip Calculator Webmaster
    Guest

    Hello,

    Yes, we plan to make some modifications to take Header Compression into account on our online calculators. The difficulty is, we are uncertain whether there is an industry standard. I have seen Cisco quote a scheme which reduces the headers to 2-4 bytes, but I don’t know if this is a Cisco proprietary system, and whether it can be used in all circumstances.

    VoIP is a difficult subject to research. If you find any information, please share it on this Forum.

    Thanks for your encouraging comments.

    19th December 2000 at 19:05 #19842
    Jose QUintero
    Guest

    The Header compresion is recomended only for link of low speed, for hing spedd above 256 Kbps is not recomended.
    Furtheremore, it required a loit of CPU cycles, that can degrade the performace of the Gateway.

    29th December 2000 at 20:08 #19843
    Mian Hameed
    Guest

    Steph here is a Cisco trivia relating to your question:
    RTP header compression is configured if the following conditions exist in your network:
    · Slow links
    · Need to save bandwidth

    RTP header compression should not be used on links greater than 2 Mbps. Thanks

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