IP telephony signaling protocol
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Related to IP telephony signaling protocol: Megaco
IP telephony signaling protocolThe codes and commands used to establish and terminate a phone call over an IP network. The protocol supports such features as conference calling, call waiting and call transfer. The primary IP telephony signaling protocols are H.323, SIP and MGCP/MEGACO. There are also proprietary protocols; for example, Cisco's Skinny is widely used. See IP telephony.