A SIP trunk is the digital version of an analog phone line. Learn how you can upgrade to a unified digital phone system for ...

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 ...

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 ...

Do not throw away that legacy PBX yet; you can use it with SIP trunks for a quick ROI. Here's an interesting case study that I received from a reader and VoiceCon attendee, Todd Vinciguerra, ...

More and more bandwidth, everywhere you look. The corporate WAN has excess capacity. The Internet has excess capacity too, and it's ubiquitous. Put voice, fax, and other “telecom” data (e.g., PBX ...