Apparatus and method for scheduling a telephone call

Apparatus and method for securing a conference call via...

Apparatus and method for speech signal analysis

Apparatus and method for switching incoming calls through to...

Apparatus and method for transmission and receipt of...

Apparatus and method for transmission and receipt of...

Apparatus and method of distributing call processing resources

Apparatus and method therefor of intelligently searching for inf

Apparatus and systems for utilizing caller ID data to...

Apparatus for blocking voice band signals when receiving caller

Apparatus for connecting a plurality of channels

Apparatus for controlling communication connections based on loc

Apparatus for converting distinctive ring to selective ring in t

Apparatus for handling features in a telephone network

Apparatus for managing an element manager for a telecommunicatio

Apparatus for selectively enabling subscriber device to respond

Apparatus method and system for providing call progress...

Apparatus to override the redirect or reject feature at an...

Apparatus, and an associated method, for selectably and...

Apparatus, method and system for controlling secondary treatment