This week’s sneak peek of a Cisco Press book chapter is an excerpt from Cisco Voice over IP (CVoice) (Authorized Self-Study Guide) Adobe Reader, 2nd Edition, by Kevin Wallace. This is the blurb from ...

On Feb. 11, 2000, a phone call was placed from space shuttle Atlantis in orbit to NASA Flight Director Bob Castle at Mission Control in Houston. On Feb. 11, 2000, a phone call was placed from space ...

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 ...

Voice over IP (VoIP) is a dream concept that has been a while in the making. The idea of conducting all your telephone calls over the Internet--and avoiding high long distance charges from Telcos in ...

Instead of waiting the standard 60 seconds for the CDP hello, CDPv2 has a trigger (like RIPv2 triggered updates) that allows the Cisco switch to propagate voice vlan information to the Cisco IP phone ...

A software flaw in Cisco Voice over Internet Protocol phones could leave its customers vulnerable to a hack attack. The United Kingdom’s National Infrastructure Security Co-ordination Centre (NICC) ...

Cisco IP phones enable you to use voice over Internet protocol, or VoIP, to make calls over an IP network, such as the Internet, and also have the ability to store missed calls in the missed calls log ...