A voice over IP (VoIP) call path. One SIP trunk supports one phone call. See SIP trunking and VoIP. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Comcast Business SIP Trunking provides a flexible and intelligent way to maximize voice services on your existing IP PBX, and the service is delivered over the largest VOIP network in the nation.

3CX is the place to go for the best IP PBX services, as its phone system software offers an unbeatable range of call-handling ...