As we mentioned last time, there was an entire industry built around using TDM bandwidth efficiently due to the compelling economics of building corporate private-line networks. By the late 1980s, ...

Verizon Communications last week announced plans to shift its nationwide telecommunications network to packet-switched technology as part of a plan to offer new voice-over-IP and multimedia services.

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 ...

Sprint is to change its entire circuit-switched telephone network to packet technology in an attempt to keep up with customer demand for capacity, it announced Tuesday. All eight million of Sprint’s ...

Verizon Communications this week announced plans to shift its nationwide telecommunications network to packet-switched technology as part of a plan to offer new voice-over-IP and multimedia services.