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 ...

I’m trying to get info from a supplier and they are insistent that a trunk is a 1 to 1 with a call. Now I am 99.999% sure he's wrong, but before I tell him so I wanted to make sure someone who knows ...

Every year I optimistically think SIP trunking will finally mature and become a commodity implementation, as I mentioned in my post last week, "SIP Trunk Provider Report Card." SIP trunking has been ...

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You would think that with the growth of SIP trunk deployments, the providers would be better at implementation and support. It does not seem so. Editor's note: This ...