Before kissing TDM voice goodbye, make sure sellers keep their pricing and performance promises, and that you don't put your network or its economics at risk. Here's how. SIP trunking (VoIP based on ...

Just what is SIP trunking? Let’s take it one part at a time. SIP refers to Session Initiation Protocol, the standard developed in the 1990s by the Internet Engineering Task Force that is used to set ...

Talk to UC consultants about client projects, and SIP trunking inevitably comes up in the conversation. They may much rather be working on projects involving newer and cooler technologies, but scoping ...

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 ...

The switch can have substantial up-front costs, but it can also provide savings of up to 50 percent on telecommunications costs The merits of SIP trunking have been talked about for years and now it ...

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.

This vendor-written tech primer has been edited to eliminate product promotion, but readers should note it will likely favor the submitter’s approach. IT managers often think of Session Initiation ...

Are SIP trunks as reliable as an ISDN PRI T1? I’m asked this question a lot, so I thought it’d be a great blog topic. I don’t think you are as concerned with this as the amber lights in the server ...

So our phone system people are trying to setup a SIP trunk on our Mitel 3300 unit. I open up firewall ports and setup 1:1 NAT for the PBX's IP, everything looks like it should be OK. They are telling ...

GTT provides global telephone numbers and termination, and its services are interoperable with leading Cloud Phone vendors, ...