Apparatus and method for communication between data network...

Apparatus and method for completing inter-switch calls using lar

Apparatus and method for computer controlled call processing...

Apparatus and method for computer controlled call processing...

Apparatus and method for computer controlled call processing...

Apparatus and method for computer telephone integration in...

Apparatus and method for computer telephone integration in...

Apparatus and method for controlling telephony endpoints

Apparatus and method for converting LSP parameter for voice...

Apparatus and method for designing communication paths of...

Apparatus and method for device independent messaging...

Apparatus and method for filtering data symbols for a...

Apparatus and method for hybrid telecommunications switching

Apparatus and method for improving voice quality by removing...

Apparatus and method for integrated computer controlled call...

Apparatus and method for integrated voice gateway

Apparatus and method for interconnecting private exchange...

Apparatus and method for interfacing processing resources to a t

Apparatus and method for internet telephony routing

Apparatus and method for music-on-hold delivery on a...