to be more competitive and profitable is IP telephony. “IP telephony is an up and coming technology that is going to be the standard in a few years,” says Mike Bond, CCIE, senior network VoIP engineer ...

The scenario would always play out the same way. With your normal analog desk phone, you would place a call to speak to someone in another organisation, normally one in the financial sector with more ...

Network World embarks on its first Technology Tour of the year later this month, “Voice over IP: IP Telephony from Dollar One to Dollars Won.” Keynoting the seminars will be Network World columnist ...

This excerpt is from Chapter 1, “What Is IP Telephony Security and Why Do You Need It?” and is intended to provide you with an introduction to the world of IP telephony security. IP telephony is a ...

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 ...

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 ...

You’ve studied the promising return on investment for IP telephony and researched vendor solutions that appear to fit your company’s needs. If you’ve done your homework, you also know that merging ...

IP telephony began humbly as a novelty application that allowed online users to converse over the Internet. Today, it has finally matured enough in both feature sets and network availability that it ...

Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone services, broadband, citywide Wi-Fi, the Net neutrality debate and the consolidation of the phone companies. Cisco ...

Cisco's IP telephony offering has become so complex in such a short period of time that to learn about it now involves a two-part, eight-day training course. Delegates can either attend the two parts ...

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 ...

In our last installment, we were talking about devices that can capture voice traffic and immediately packetize it for transmission on a LAN or across the Internet. We noted three types: A handset, ...