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.

SIP trunking is a type of protocol used for VoIP, although the relationship between the two has often been confused. In this article, we’ll take a close look at what exactly SIP is, what SIP trunks ...

An organization that provides voice over IP (VoIP) service and enables calling from SIP phones to plain-old-telephone (POTS) lines and vice versa. SIP is the universal protocol used for Internet ...