Telecommunication network that provides caller-entered...

Telecommunication number processing technique for a...

Telecommunication resource allocation system and method

Telecommunication resource allocation system and method

Telecommunication resource allocation system and method

Telecommunication resource allocation system and method

Telecommunication service record structure and method of executi

Telecommunication switching system having distributed dialing pl

Telecommunication system for handling basic and supplementary fu

Telecommunication system having capability of notifying the occu

Telecommunication system intruding on a busy called party

Telecommunication system with loop-free switching tables

Telecommunication system with remote call pick-up capabilities

Telecommunication system with user modifiable PBX terminating ca

Telecommunication system, in particular telephone system

Telecommunications and conference calling device, system and...

Telecommunications answering feature method and apparatus

Telecommunications apparatus for initiating calls based on past

Telecommunications architecture for call center services...

Telecommunications circuit provisioning and administration syste