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SIP Trunking You'll Need It Sooner Rather Than Later
What Is A SIP Trunk? SIP = Session Initiated Protocol, the standard developed to set up and tear down VoIP calls and create dial tone, the ability for a VoIP phone to ring and so forth. Basically a SIP trunk is a virtual phone line. SIP connects your IP ready PBX to the PSTN (Public Switched Teleph