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 ...

SAN FRANCISCO, CA--(Marketwired - Sep 23, 2014) - Most people know the Internet can be mapped hierarchically. At one end are the "last miles" or points of contact with individual users. At the other ...

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 ...

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 ...

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 ...

If you want to read an absolutely brilliant discussion of a key technical/security/policy issue around SIP in general and SIP trunking in particular, check out this VOIPSA blog post by Dan York. If ...

While many enterprises have transitioned to SIP trunking as they adopt Voice over IP (VoIP), many are hesitant to migrate their contact centers away from the Public Switched Telephone Network (PSTN) ...

For those with lots of distributed PBXs or key systems, adopting SIP trunking means deploying SIP-to-PRI gateways or managing large numbers of new trunks. New offerings based on session management can ...

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 ...