Aiming to let enterprises do more with their IP (Internet Protocol) telephony systems and keep them available when a network goes down, Avaya introduced new software, phones, and a gateway at this ...

VoIP phones offer the familiar look of a conventional desk phone with similar functionality, but aren’t as plug-and-go. Like so much networking kit, setting up a VoIP phone can be a very frustrating ...

However, unless you're using an entirely proprietary Voice-over-IP (VoIP) system, then SIP is part of your life. That's because SIP is the protocol that makes and completes telephone calls in most ...

Since we first tested softphones in 2002, they have improved to tap into wider broadband pipes, faster CPUs and more capable versions of Windows. They’re less expensive, too. CounterPath and ...

Session Initiation Protocol (SIP) will allow true interoperability, eventually enabling every IP-based device and application to communicate seamlessly with one another. This guide discusses some of ...

While most open-source projects are applications and utilities intended for single users, we did something different. We created an infrastructure project: a Voice-over-IP (VoIP) phone system that ...

Siemens this week is launching a high-end enterprise IP PBX that can host more than 100,000 IP phones from a single data center. Siemens this week is launching a high-end enterprise IP PBX that can ...

Major brands in the VoIP space include Cisco, Poly, Grandstream IP phones, Mitel, and several others such as Nextiva and RingCentral. These VoIP providers have cornered a sizeable section of the IP ...

Affordable and offering great audio quality, Cisco's range of IP phones make fantastic all-round choices for businesses. Why you can trust TechRadar We spend hours testing every product or service we ...