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 ...

Caller-ID is an effective tool that can be used with a dialing plan; providing what callers want before you even answer the call is cool. Last week I discussed Caller-ID Spoofing: Legislation as a ...

With the ratification of v1.1, it can no longer be said that there is no standard for SIP Trunking. Whether v1.1 is widely acknowledged or adopted by the industry remains to be seen. Regular readers ...