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 ...

I am setting up an IP phone system for an office with 20 people. Can anyone recommend a reliable SIP trunk provider? We have a Grandstream UCM6208 PBX. Most calls made will be international. I am ...

TDM trunks have long served to connect corporate PBXs to the public switched telephone network (PSTN). But with more companies moving to VoIP, SIP trunking has become an increasingly popular ...

The more dependent you are upon SIP trunks, the more diversity you'd better welcome into your configuration. In SIP Trunks: A Call To the Wild, I mentioned I would get with Chris Thompson, Senior ...

But like PRI, the SIP Trunk service provider supplies the signaling and transport services to the customer site (s), which interconnect to the (certified) CPE. Some providers who make extensive use of ...

The annual Infonetics Session Initiation Protocol (SIP) Trunking Scorecard ranks the top 10 SIP service providers in North America. While the bottom half of the rankings usually change slightly from ...