Facility for transporting TDM streams over an asynchronous...

Facility management platform for a hybrid coaxial/twisted...

Facsimile machine having multi-purpose data ports for signal...

Fast circuit switched data architecture and method

Fast path for performing data operations

Fast path for performing data operations

Fax messaging for new users

Feature transparency in a telecommunications network

Fixed-length cell data and time-division data hybrid...

Flexible and economical provision of service characteristics...

Flexible dial plan for a data network telephony system

Flexible packet technique for monitoring calls spanning...

Flexible, self-aligning time and space switch fabrics

Flow based circuit steering in ATM networks

Full PBX telephony feature preservation across a voice over...

Full PBX telephony feature preservation across a voice over...