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 ...

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 ...

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 ...

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 ...

Avaya submitted two configurations: A no-frills, out-of-the-box Avaya IP telephony deployment with no extra-priced security options; and a maximum-security alternative – featuring the same VoIP gear, ...

In an effort to cut costs, my company has decided to migrate from private branch exchanges to IP telephony. By routing calls over our existing IP network and using voice-over-IP links, we can ...

Large enterprises, which historically have used significantly more robust voice systems than small and medium businesses (SMBs), have long been the focus for VoIP vendors. However, this is about to ...

Describe the various call types in a VoIP network. Configure analog voice interfaces as new devices are introduced into the voice path. Configure dial peers so you can add call routing intelligence to ...

The networking hardware vendor also plans to unveil an NBX IP conference phone with partner Polycom. With the NBX upgrade, 3Com has completely integrated the NBX and the 4400 switch so that no ...