LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Plural exchange network or interconnection

Metadata-based network routing

Telephonic communications – Plural exchange network or interconnection

Metadata-based network routing

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

Metallic access test extender

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

Metallic access test extension system architecture

Telephonic communications – Subscriber line or transmission line interface

Metallic channel unit network

Telephonic communications – Subscriber line or transmission line interface

Metallic channel unit network

Telephonic communications – Subscriber line or transmission line interface

Metallic channel unit network

Telephonic communications – Subscriber line or transmission line interface – Network interface device

Metallic current limiter

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

Metallic macrocell/microcell interface

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

Metallic test access for xDSL connectors

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line

Metallic testing of a subscriber loop that provides both...

Telephonic communications – Substation or terminal circuitry – Sidetone control or hybrid circuit

Meter pulse filtering circuit for analog modems

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy

Meter reader

Telephonic communications – Telephone line or system combined with diverse electrical... – To produce visual-graphic copy

Meter reader

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

Metering data transfer between end systems

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

Metering signal level control circuit

Telephonic communications – Telephone line or system combined with diverse electrical... – Polling

Method and a system for acquiring and transmitting information a

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

Method and a system for by-passing a receiver-off-hook timer for

Telephonic communications – Special services – Conferencing

Method and a system for finding a time and a place for two or mo