The two-way transmission of voice over a packet-switched IP network, which is part of the TCP/IP protocol suite. The terms "IP telephony" and "voice over IP" (VoIP) are synonymous. However, the term ...

GTT provides global telephone numbers and termination, and its services are interoperable with leading Cloud Phone vendors, ...

Despite many large corporations switching to IT telephony solutions, it seems they're taking the next step, to Unified Communications, more cautiously. Is that because they don't understand it? The ...

Now is the time to begin implementing open source IP telephony. Here’s why. Now is the time to begin implementing open source IP telephony. Here’s why: • Open source business models are changing ...

IP telephony is a next-generation technology that is changing the way companies communicate, and is reshaping the business landscape. Through the unification of voice and data networks, IP telephony ...

The codes and commands used to establish and terminate a phone call over an IP network. The protocol supports such features as conference calling, call waiting and call transfer. The primary IP ...

San Francisco-based-CallTower, a recent spin-off from Networld Communications, is a solution provider that's selling IP telephony as a service. The start-up hopes to hit the sweet spot of SMBs and ...

For enterprises leery of making the switch to voice over IP, IP telephony vendor CITEL Technologies has a proposition: Begin making the move to IP voice without replacing the legacy handsets ...

During the past four years, IP telephony has progressed from a gee-whiz concept of free phone calls over the Internet to a means of communication in use among established service bureaus. But it is ...

There’s no doubt that Microsoft could enter the IP telephony market. But why would the software giant want to enter an area so foreign to its core business? Well, the answer is IP telephony is moving ...

David Stever, manager of communication technology services at PPL, knows that IP telephony is the future. He also knows that his company (formerly known as Pennsylvania Power & Light) has a massive ...