Voice-over-IP (VoIP) networking comprises many components and network managers might find themselves treading on new and fragile ground as they investigate VoIP projects. This white paper provides an ...

The iptel.org 180+ page SIP tutorial is outstanding. Another overview that is a bit more market-oriented and nearly as long. White paper on the SIP value proposition over telephony, SIP and the new ...

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

Avaya has launched phones and software that it claims will make it easier to intelligently route calls in businesses and call centres. On Monday, the communications firm announced the release of ...

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 search for increased productivity pushes many broadcasters towards IP technology. Considered less expensive than broadcast-specific baseband, one of its main attractions is its ability to handle ...

Cisco Systems Inc.’s update to its CallManager IP PBX — introduced this week with native Session Initiation Protocol (SIP) support — will require broader ...