LandOfFree - US Patents - Listing for Telephonic communications

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

Dial unit detachably mounted on public telephone for equal acces

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

Dial up telephone conferencing system controlled by an...

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

Dial verifier, especially for facsimile transmission

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

Dial-around compensation method and system

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

Dial-in data transmission system with standby capability

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

Dial-less calling device

Telephonic communications – Emergency or alarm communications – Announcement or alarm received at terminal station

Dial-out voice notification system

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

Dial-up line modem directly compatible with mainframe host havin

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

Dialable screening profile

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

Dialed number recognition arrangement

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

Dialed number service routing in a telephone network by...

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

Dialer circuit

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialer circuit

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialer for selecting a character

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialer programming and device with integrated printing process

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialer programming system and device with integrated printing pr

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialer programming system and device with integrated printing pr

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing apparatus

Telephonic communications – Supervisory or control line signaling – Substation originated

Dialing apparatus