LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Audio message storage – retrieval – or synthesis – Indication or notification of message

Multiple terminal message indicator for a telecommunications...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Multiple tone detection using out-of-band background detector

Telephonic communications – With usage measurement – Call charge metering or monitoring

Multiple user telephone accounting

Telephonic communications – Special services

Multiple voice channel communications

Telephonic communications – Special services

Multiple voice channel communications

Telephonic communications – Audio message storage – retrieval – or synthesis – Voice activation or recognition

Multiple voice network access provider system and method

Telephonic communications – Special services – Service profile

Multiple-function digital telephone set in a private branch...

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Monitoring

Multiple-service offering communication terminal and multiple-se

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

Multiplex transmission of audio signal and video signal through

Telephonic communications – Multi-line or key substation system with selective switching... – With intercom system

Multiplexed data channel controlled telephone system

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Multiplexed terminal for monitoring and controlling a plurality

Telephonic communications – Line equalization or impedance matching

Multiplexing and demultiplexing of narrowband and broadband...

Telephonic communications – Including aid for handicapped user

Multiply accommodated message relaying for hearing impaired call

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Multipoint simultaneous voice and data services using a...

Telephonic communications – Terminal – Housing or housing component

Multiposition detenting hinge apparatus

Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...

Multiprocessor computing system featuring shared global control

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Multiprocessor computing system featuring shared global control

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal

Multiprocessor computing system featuring shared global control

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system

Multipurpose analog telephony channel test facility method and a