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

Every company, no matter the size, needs a robust communications platform. The top voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features at a ...

Even many IT professionals haven't heard of the Session Initiation Protocol (SIP), so it's almost certain your users haven't. However, unless you're using an entirely proprietary Voice-over-IP (VoIP) ...

The main challenge: Even if an enterprise wants to interconnect different IPT islands, there is no real incentive for two different vendors to interoperate. VoIP/IPT systems have proliferated to the ...

The most reliable internet protocol (IP) desk phone is Polycom VVX because its hardware is crafted to an extremely high standard, and its user base appears to be consistently satisfied with its ...

I’ve had a phone line free household since I first got a cell phone. Being free from the wires works fairly well, but it has some limitations. To me the cellular phone is like a personal accessory, so ...

In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...

VoIP is shorthand for a telecommunication technology called Voice over Internet Protocol, and it's a modern alternative to traditional phones. For a century or so, landline telephone systems have ...

The cord-cutting movement isn’t limited to consumer cable and Netflix. As Voice over Internet Protocol communication matures and as high-speed Internet becomes cheap and ubiquitous, an increasing ...