Managing access to resources and services utilizing call...

Mechanism for rejecting collect calls

Message-based interface for phone fraud system

Method and apparatus for controlling outgoing calls on a telepho

Method and apparatus for controlling telephone line access

Method and apparatus for defeating predictive telemarketing...

Method and apparatus for detecting a secondary destination of a

Method and apparatus for detecting a secondary destination...

Method and apparatus for detecting an attempted three-way confer

Method and apparatus for detecting and responding to hook flash

Method and apparatus for detecting the number of speakers on...

Method and apparatus for intelligent network call handling in a

Method and apparatus for intercepting potentially fraudulent

Method and apparatus for intercepting potentially fraudulent tel

Method and apparatus for limiting call origination...

Method and apparatus for migrating embedded PBX system to...

Method and apparatus for monitoring communication...

Method and apparatus for prioritizing telephone calls

Method and apparatus for protecting call privacy

Method and apparatus for providing an alarm call to a remotely l