LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Special services – Conferencing

Disposable telephone numbers

Telephonic communications – Special services – Conferencing

Disposable telephone numbers

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

Distant remote-control device of electric appliance

Telephonic communications – Special services – Call waiting

Distinctive call waiting alert and management device

Telephonic communications – Special services – Service trigger

Distinctive call waiting based on a redirecting number

Telephonic communications – Supervisory or control line signaling – Signal reception at substation

Distinctive ringing and distinctive call-waiting tones in an ISD

Telephonic communications – Supervisory or control line signaling – Signal reception at substation

Distinctive telephone annunciator

Telephonic communications – Echo cancellation or suppression

Distortion compensation in an acoustic echo canceler

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

Distributed antenna personal communication networks system

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

Distributed architecture for an intelligent networking coprocess

Telephonic communications – Telephone line or system combined with diverse electrical... – Remote indication over telephone line

Distributed architecture for IP-based telemetry services

Telephonic communications – Echo cancellation or suppression

Distributed audio signal processing in a network experiencing tr

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

Distributed automatic route selection using RIP caching

Telephonic communications – Special services – Anonymous party

Distributed bidirectional communication network structure in whi

Telephonic communications – Centralized switching system – Call distribution to operator

Distributed call progress tone detection system and method...

Telephonic communications – Centralized switching system – Call distribution to operator

Distributed call-routing systems

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

Distributed connection control in telecommunication networks

Telephonic communications – Audio message storage – retrieval – or synthesis – Multilingual system or operation

Distributed control and storage for a large capacity messaging s

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

Distributed control exchange