Today we’ll conclude (for the time being) our discussion on how best to transport control information for voice over IP. We asked some of the manufacturers of VoIP gear to talk about their support for ...

We didn’t just take a sip. We took a good long drink of SIP technology in this round of iLabs testing. We gathered more than 50 devices from five SIP server vendors and 13 SIP endpoint vendors to ...

Legacy service providers are still afraid of that big, bad, scary IP telephony - this is one of the reasons why SIP hasn't been as fully adopted as I would like it to be. In general, I am a fairly ...

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 ...

The problem is that RFC 3261 that defines SIP has become "everything to everyone" and bloated in both size and in flexibility. For those of you that have deployed SIP-based solutions or SIP Trunking, ...

Investors often feel anxious about making investments during times of falling stock markets and negative news. “Why do I need to invest today?” many ask. “Stock prices may go down again tomorrow.” As ...