LandOfFree - US Patents - Listing for Telephonic communications

Telephonic communications – Centralized switching system – Structure of equipment

Laminar type telephone protector block and interconnectable modu

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

LAN connection using analog modems via telephone wiring

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

LAN interfaced facsimile machine

Telephonic communications – Plural exchange network or interconnection – Multi-pbx interconnection

LAN phone system with automatic fallback for power or...

Telephonic communications – Audio message storage – retrieval – or synthesis

Land mobile telephone system

Telephonic communications – Including aid for handicapped user

Language accommodated message relaying for hearing impaired call

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

Language for implementing telephony processing in end points

Telephonic communications – Audio message storage – retrieval – or synthesis

Language selection for voice messaging system

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

Latching relay drive circuit for use in telephone sets

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

Lawful intercept trigger support within service provider...

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

Lead line supervision system

Telephonic communications – Terminal – Housing or housing component

Leak-tolerant handsfree telephone

Telephonic communications – Supervisory or control line signaling – Substation originated

Learned speed dialing

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

Least cost rooting system

Telephonic communications – Plural exchange network or interconnection – Connection call model

Least cost router

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

Least cost routing device for separate connection into phone lin

Telephonic communications – Plural exchange network or interconnection – Connection call model

Least cost routing method according to information transfer capa

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

Least cost routing system

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

Least cost routing with repeated searches for lower cost route