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.

BT touts reduced call costs to US and Europe with expanded SIP trunking services BT’s Global Services arm has announced it is to expand the Session Initiation Protocol (SIP) trunking service it ...

SIP trunking is a cost-effective option for modernizing legacy phone systems with minimal disruption. Discover the best SIP trunking providers and how to choose one in our complete buyer’s guide.

DIDWW is a licensed telecom operator specializing in fully compliant phone numbers, voice, and messaging services across 90+ ...

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 ...