Inkcazo: Iprotocol ye- SIP - Session Initiation - yindlela yokuxhumana yonxibelelwano isebenza ngokuqhelekileyo kwi- Voice Voice IP (VoIP) . Kwi- VoIP yokunxibelelana, i-SIP yindlela enye yokubonakalisa ukusebenzisa ama- H.323 ama protocol.
I-SIP yenzelwe ukuxhasa izixhobo zokufowunelwa kwenkqubo yefowuni yendabuko. Nangona kunjalo, ngokungafani neklasi ye-SS7 ye-teknoloji yokubonakalisa iifowuni, i-SIP ngumgaqo-nkqubo weontanga. I-SIP yiprogram yomgaqo-jikelele wezonxibelelwano ze-multimedia ezingaphelelwanga kwizicelo zezwi.