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 ...

The VoIP landscape has changed over the years, with many providers evolving into more than just the desk-phone VoIP we used to know. VoIP companies continue to add ways to entice consumers and small ...

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 ...

As The SIP School's sixth-annual SIP survey shows, many of the same problems from the same sources persist year after year. You would think by now that SIP trunking ...

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 ...