Mechanism to support multiple versions of toll free service

MeetMe assistant

Message callback feature

Method and apparatus for alternate destination routing for switc

Method and apparatus for controlling a telephone system

Method and apparatus for creating a presence monitoring...

Method and apparatus for providing network-based customized call

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