Thus, the bandwidth requirement for voice on an IP network is 1/16th that of the PSTN's dedicated, digital circuits. Starting in the mid-1990s, advertiser-supported, free telephone service from PC ...

"We have been implementing many IP telephony projects ... This will mean higher quality service at lower costs," said Haythem Kamel, General Manager, Dubai & Northern Emirates, Emirates Computers.

The primary IP telephony signaling protocols are H.323, SIP and MGCP/MEGACO. There are also proprietary protocols; for example, Cisco's Skinny is widely used. See IP telephony. THIS DEFINITION IS ...

VoIP and IP telephony allows PC users to make phone calls over the Internet or other packet networks via gateways and standard telephones. VoIP is an abbreviation for voice over Internet protocol.

"With the unified software Oracle intends to deliver running over IP telephony, service providers should see increased productivity and an enhanced customer experience." ...

Cloud-based voice over IP (VoIP) has long been the go-to solution for business telephony. But that doesn't mean choosing the right VoIP service is easy. Modern VoIP systems offer not just voice ...