Westwood-based Sprint Corp. has contracted with Nortel Networks Corp. of Brampton, Ontario, to convert Sprint's Local Telecommunications Division's digital circuit-switched network to a ...

Today, the FCC convenes the first meeting of its “Technology Transitions Policy Task Force,” a new intra-agency group announced in December by FCC Chairman Julius Genachowski. The bland name belies a ...

If you thought that the digital TV transition, with its billion-dollar coupon program for converter boxes, was a migration nightmare, wait until it's time for the phone system to dump its legacy ...

The infrastructure of 2G and 3G cellular networks are similar. They comprise an air interface between the user's mobile device and the base station and two core networks; one for circuit-switched ...

Packet switching is a network transmission method that sees data sent in small blocks called packets rather than as a continuous stream. Sending data in this way helps to improve the robustness and ...

A communications architecture that requires the establishment of a session between two nodes before transmission can begin. When the communications is completed, the session is ended (torn down). All ...

Verizon Communications announced a deal with Nortel Networks on Tuesday, the latest carrier moving to add packet-switching technology to its voice network. Other carriers are also slowly moving toward ...

Over the past 30 or so years, we’ve undergone a drastic metamorphosis from a “physical” to a “virtual” reality in almost all phases of networks. Sure, there always has been and always will be some ...

Industry organization GSM Association has completed trials of SIP-I, a protocol that will make it possible to send circuit-switched mobile traffic over core networks based on Internet Protocol. As ...

These ToP (Timing-over-Packet) devices are specifically designed to transmit timing and synchronization over asynchronous packet switched networks. Deploying Zarlink’s revolutionary ZL 30301 and ...