Today, as unified communications technology is crucial for success, businesses are moving from Public Switch Telephone Networks (PSTN), or Plain Old Telephone Service (POTS), to a more advanced system ...

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 ...

SIP trunking is financially attractive. But it is important to size your SIP trunking to support the calling services that your enterprise requires The proliferation of SIP trunking makes the ...

PBX and SBC equipment providers continue to present problems for SIP trunking implementations, The SIP School's annual SIP survey shows. The implementation of SIP trunks is a fairly complex process ...

SIP trunking is a type of protocol used for VoIP, although the relationship between the two has often been confused. In this article, we’ll take a close look at what exactly SIP is, what SIP trunks ...

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 ...

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 ...

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 ...

We have Spectrum internet service and for some reason in our area we need to use their modem and router if we want a static IP. I did some research and his is a common problem in some areas. Our setup ...

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 ...