http://www.wikipedia.org/wiki/Session Initiation Protocol
Although several other VoIP signaling protocols exist (such as BICC , H.323 , MGCP , MEGACO ), SIP is distinguished by its proponents for …
http://www.wikipedia.org/wiki/Session Initiation Protocol
Although several other VoIP signaling protocols exist (such as BICC , H.323 , MGCP , MEGACO ), SIP is distinguished by its proponents for …
