REGISTER  |  SIGN IN
   
Your search returned 50 patents.
( 379/142.13 in Current US Classification )
1
Patent IDTitleDate Filed
7239627 Digital subscriber line services May 24, 2001
7218713 Telephone line interface for DAA circuitry April 15, 2003
7206614 Phone adapter method and system for vehicles January 13, 2006
7110395 Method and apparatus for network telephony October 31, 2000
7068776 Method and system for routing calls to desire discount telephone services April 19, 2000
6952469 Method and apparatus for transmitting and receiving a message using caller ID November 30, 2000
6941161 Microphone position and speech level sensor September 13, 2001
6845151 Picture/sound output equipment with caller identification and volume adjustment functions February 6, 2002
6807260 Telephone line management and environmental information monitoring system January 7, 2003
6775364 Method and apparatus for selectively sending a false system information tone on a telephone line March 27, 2002
6757380 Impedance blocking filter circuit for digital subscriber line communication systems July 13, 2001
6707895 Telephone line management system March 1, 2002
6697482 Method and system for transmitting messages to subscribers during the set-up stage of incoming telephone calls November 19, 1999
6687342 System and method for retaining client configuration information across the re-installation of any tapi service provider in a tapi 2.1 environment January 18, 2000
6683948 Device for automatically identifying DTMF and FSK for caller ID August 9, 2000
6574318 Call related information receiver to receiver transfer April 5, 1999
6442242 Multifunction autoattendant system and method of operation thereof June 25, 1999
6335969 Caller's telephone number storage apparatus, a personal computer, and a caller's telephone number storage method, and a storage medium November 12, 1999
6094477 Electronic mail terminal and system for automatically downloading electronic mail December 23, 1997
6081583 Post call directory entry device and method December 27, 1995
6058172 Telephone with novel FSK decoding means, simultaneous off-hook caller ID reception means, and set of configurable function key means June 18, 1998
6038291 Call forwarding via a 2-line phone May 20, 1998
6028919 Passive distributed filter system and method including caller ID February 6, 1998
5982871 Transmission of originator subscriber number after communication channel is established August 7, 1997
5920615 Telecommunications switch March 25, 1996
5905776 System and method of co-ordinating communications for telecommuters April 4, 1996
5875241 Communication system for processing caller ID information June 5, 1997
5852653 Communications line security device August 23, 1996
5802148 System for generating aural announcements within a premises December 8, 1995
5631955 Option bus May 15, 1995
5623537 Telephone message center December 29, 1994
5583924 Caller ID and call waiting for multiple CPES on a single telephone line February 13, 1995
5579386 Telephone network alerting cadence control system April 26, 1995
5481594 Audio caller identification unit August 6, 1993
5467385 Calling number display and recording system January 27, 1994
5317630 Interface for a data telephone and data terminal in a digital telephone system September 10, 1990
5315650 Caller identification transmit path limiter May 3, 1993
5289530 Method and apparatus for vocally communicating to a caller at a remote telephone station synthesized speech of stored special service information July 23, 1991
5289528 Automatic telephone answering apparatus with call forwarding arrangement February 18, 1992
5283818 Telephone answering device linking displayed data with recorded audio message March 31, 1992
5117452 Telephone interface for a computer for receiving and transmitting information during the silent interval between ringing September 27, 1990
5046088 Converter for in-band routing and/or origination information October 31, 1989
4985913 Multiple message answering machine keyed to the incoming phone number August 29, 1989
4958153 Method and apparatus for priority control of incoming calls at ISDN terminals April 6, 1988
4942598 Telephone answering machine in paging systems with automatic number identification based message operations March 4, 1988
4879743 PBX and adjunct using multi-frequency tones for communication therebetween October 3, 1988
4821308 Telephone answering system with paging function March 18, 1986
4672660 Method and system for identifying telephone callers June 7, 1985
4304968 Telephone electronic answering device September 24, 1979
4266098 Device to automatically screen incoming telephone calls, determine the identity of the caller and process the call accordingly November 3, 1978
1
Page 1 of 1