You deserve to know who's calling. Learn how to trace a VoIP call on your own, and involve law enforcement if that’s what it ...

Hartlepool College of Further Education are looking for a suppler of an IP Telephone System To access this competition: Registered: Login to and view the opportunity CA14224. Not registered: Visit ...

Cardiff Council takes PSTN switch-off as opportunity to rethink school communications, writes Dan York, Local Government ...

The whole world is a network. Of humans, yes, but also of computers. With the Internet established almost everywhere, we're ...

Zoho Voice can handle both your general business telephony and call center needs ... and transmit them over the internet or other IP-based networks. Most also include a bridge to traditional ...

A new report by the U.S. PIRG Education Fund says less than half of phone companies have complied with laws to protect from ...

Interoperability difficulties continue to require third-party intervention.

In addition to pure voice calls, all GSM carriers also offer messaging services and messaging has been a core service since the beginning of GSM mobile telephony. Mobile messaging ranges from SMS ...

At the back-end, they rely on legacy analogue lines known as the Public Switched Telephone Network. ISDN is also ... and rely on IP-based infrastructure. This infrastructure uses packet switching ...

In 1984, the company's local telephone service was broken up into ... They claimed these phones could degrade the quality of the network. AT&T also would not sell its own phones to consumers ...