Nortel Networks Corporation provides telephone systems for businesses, which includes a voicemail system accessible from inside and outside the system.

Nortel is North America’s largest maker of telephone equipment. It will launch optical technology that delivers speeds of 40 gigabits per second (Gbps).

Nortel Networks is providing a key part of Cox Communications' transition of its telephony traffic to Voice over Internet Protocol. Cox announced Monday that Nortel's Succession cable VoIP and ...