LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Audio message storage – retrieval – or synthesis

Non-offensive termination of a call detection of an answering ma

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

Non-random call center supervisory method and apparatus

Telephonic communications – Audio message storage – retrieval – or synthesis – Multimedia system

Non-voice completion of voice calls

Telephonic communications – Supervisory or control line signaling – Signal receiver

Non-voice signal repeater for speech coders

Telephonic communications – Supervisory or control line signaling – Substation originated

Non-volatile automatic telephone number dialer circuit

Telephonic communications – Audio message storage – retrieval – or synthesis – Message management

Non-volatile memory platform for digital answering systems

Telephonic communications – Centralized switching system – Switching controlled in response to called station...

Nonblocking switching system and method

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

Nonintrusive call notification method and system using...

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

Nonintrusive measurement of echo power and echo path delay prese

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

Nonintrusive speech level and dynamic noise measurements

Telephonic communications – Echo cancellation or suppression

Nonlinear echo canceller for data signals using a non-redundant

Telephonic communications – Echo cancellation or suppression – Using digital signal processing

Nonlinear echo compensator for class B transmitter line driver

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

Nonlinear processor for acoustic echo canceller with...

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

Nonlinear processor for an echo canceller and method

Telephonic communications – Substation or terminal circuitry – Conversion of signal form

Nonsaturating interface supply

Telephonic communications – Special services – Conferencing

Normalization of calling party sound levels on a conference brid

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

Notification apparatus for outbound data communication system

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

Notification of the presence of messages deposited in a...

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

Notification system for multimedia messaging systems