Method for signaling an incoming call
Method for the management of a telephone automatic branch...
Method for the management of an automatic branch exchange...
Method for updating subscriber-related data in a...
Method of establishing cooperative services in a computer...
Methods and apparatus for providing external access to...
Methods and systems for 1+ prepaid routing service
Methods and systems for 1+ prepaid routing service
Modular system for managing service calls, in particular...
Multiple data store authentication
Multiple-function digital telephone set in a private branch...
Naming convention for different types of device, and...
Network-independent communications system
Networkwide desk sharing with automatic device relocation
One number, intelligent call processing system
Personal data sharing system in telephone network
Personal ringback tone content selection and activation
Personal-call and feature control system and method for...
Platform for rapid development of telecommunications services
Pro-active features for telephony