SIP vs H.323 as signalling for Cisco voice gateway

Discussion in 'Cisco' started by jmiklo, Feb 7, 2005.

  1. jmiklo

    jmiklo Guest

    Hi,
    I always used H.323 as signalling protocol for Cisco voice gateways.
    Now, I have a potential customer that insists on SIP. I see good reasons for
    using SIP in IP telephony implementation. But I don't see any advantages for
    using SIP in voip networks (voice gateways).
    Honestly, I don't have experience with SIP so my question is:
    what advantages are in using SIP for Cisco voice gateways
    -what about gatekeeper functionality equivalent in SIP (SIP proxy ?)
    -what about CAC functionality in SIP

    cheers,
    jmiklo
    jmiklo, Feb 7, 2005
    #1
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  2. jmiklo

    BradReeseCom Guest

    BradReeseCom, Feb 8, 2005
    #2
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  3. jmiklo

    voipguy Guest

    Another point here is that SIP sessions set up with far fewer messages
    that H.323,
    and transfer signaling exchanges are also simpler.
    voipguy, Feb 22, 2005
    #3
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