Amit Singh Mon, 04/02/2007 - 04:39

Carl,

UDP is the protocol mainly used for VOIP traffic.It uses random ports from 16K -32K and uses the same to transport the voice traffic.

-amit singh

royalblues Mon, 04/02/2007 - 05:12

It uses the following

RTP - real time protocol (UDP as mentioned above)

Skinny - TCP 2000-2002

H.323 or MGCP for gateways

HTH, rate if ir does

Narayan

carl_townshend Mon, 04/02/2007 - 06:52

can you explain to me what each is used for ? ie how call is setup, what protocol it uses for this etc ?

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