LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing apparatus for power failure extension telephone set of k

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing confirmation tone output apparatus

Telephonic communications – Centralized switching system – Call distribution to operator

Dialing control method

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

Dialing features for cellular telephone with standard telephone

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing method in mobile telephone

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing method with phone number retrieval using partial...

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

Dialing plan for special access applications such as telemetry s

Telephonic communications – Plural exchange network or interconnection – Routing parameter

Dialing plan information as provided to a telecommunications...

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

Dialing plan service including outgoing call screening,...

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

Dialing prefix method and apparatus

Telephonic communications – Special services

Dialing process for IP telephony

Telephonic communications – Repeater – With signal conversion

Dialing pulse signature recognizing method and device

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing tone generator employing low frequency oscillator

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification

Dialing using caller ID

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification

Dialing using caller ID

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialler chip mode signal

Telephonic communications – Audio message storage – retrieval – or synthesis – Call source identification

Dialogue device for call screening and classification

Telephonic communications – Audio message storage – retrieval – or synthesis – Dynamic audio signal recording or reproduction

Dictating apparaus which is remotely controlled utilizing a push

Telephonic communications – Subscriber line or transmission line interface

Differential echo cancellation receiver with dynamic...