Method and system for callback in case of an emergency session

Method and system for processing an incoming call

Method and system for providing virtual agents for telephony ser

Method and system for verification of remote party...

Method for automatic maintenance of a local number portability d

Method for identifying the source of a facsimile communication

Method for identifying the source of a telephonic communication

Method for improving call completion rates in telephony

Method for route searching in telecommunications networks

Method, apparatus and system for call holding

Method, system, and database for providing a telecommunication s

Methods and system for obtaining processing information relating

Methods and systems for time-based delivery of calls

Methods of automatically rerouting an incoming telephone call pl

Multi-modal callback

Multiple independent named call-coverage paths

No answer mode for telephone systems

Personal automatic registration system with call forwarding

Personal number communication system

Plural terminals communication controlling system