LandOfFree - US Patents - Listing for Telephonic communications

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

Maintenance termination unit

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

Maintenance termination unit

Telephonic communications – Subscriber line or transmission line interface

Maintenance termination unit module

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of network terminating interface – subscriber trunk...

Maintenance termination units

Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Using portable test set

Maintenance unit for modular public telephone

Telephonic communications – Reception of calling information at substation in wireline...

Making a call from an address list or a call history list

Telephonic communications – Special services – Service profile

Man-machine interface device for telephone terminals

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

Man-to-machine communication during on-line conversation in keyp

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Management component of a signalling transfer point

Telephonic communications – Special services – Service trigger

Management of calling name delivery in telephone networks provid

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

Management of communications networks

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing

Management of performance of intelligent network services

Telephonic communications – Supervisory or control line signaling – Substation originated

Management of telephone call routing using a directory...

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

Management system and method, and data processing apparatus

Telephonic communications – Subscriber line or transmission line interface

Management system for a telecommunications switch

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

Management system for managing maintenance information of image

Telephonic communications – With usage measurement – Call traffic recording by computer or control processor

Management system for public and private switched networks

Telephonic communications – Call or terminal access alarm or control

Managing access to resources and services utilizing call...

Telephonic communications – Special services – Conferencing

Managing audio in a multi-source audio environment