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) ...

SIP vs VoIP: what's the difference? If you’re setting up a new VoIP business phone system, this question will sound familiar. You've likely run into the acronyms SIP, or Session Initiation Protocol ...

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 ...

Our content is funded in part by commercial partnerships, at no extra cost to you and without impact to our editorial impartiality. Click to Learn More The most reliable internet protocol (IP) desk ...

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 ...

We are becoming less and less dependent on mobile networks. You can get a data signal almost everywhere that you can get a mobile signal and most of us are around WiFi most of the time anyway.

The landline phone may seem an anachronism to many, but if like me you work from home it can still be an essential business tool. Even if you’re not a regular home worker, many people still like to ...

Why settle for an ancient, analog PBX? The top voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features for a small-business-friendly price. I’ve been writing and ...

We list the best VoIP phones, to make it simple and easy to set up phone handsets to work with your software-based phone system. Some of the best VoIP phones run on modern smartphone operating systems ...