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Browse by Category: Main > Communications
Class Information
Number: 379/207.07
Name: Telephonic communications > Special services > Service trigger (activation or deactivation) > Line or loop condition > Transition from on-hook to off-hook (e.g., idle to busy)
Description: Subject matter wherein the implementation of a service is controlled in response to receiving an indication that the party has initiated a call, such as by lifting a handset off the hookswitch of the party s telecommunications device.


Patents under this class:

Patent Number Title Of Patent Date Issued
7308081 Methods and systems for telephony call completion Dec. 11, 2007
6744873 Telephone accessory device Jun. 1, 2004
6639973 Mobile originator call control Oct. 28, 2003
6453023 Voice mail intervention Sep. 17, 2002
6389118 Methods and apparatus for connecting a telephone subscriber to a peripheral device May. 14, 2002
5949864 Fraud prevention apparatus and method for performing policing functions for telephone services Sep. 7, 1999
5949873 Method of providing centrex type operation using a PBX and a central switching office Sep. 7, 1999
5949852 Method for recording messages for absent parties Sep. 7, 1999
5815562 Apparatus and method for providing a user with one telephone number that rings phones on heterogeneous systems worldwide Sep. 29, 1998
5802160 Multi-ring telephone method and system Sep. 1, 1998
5784437 Electronic switch connected to intelligent peripheral while permitting call processing of dialed digits Jul. 21, 1998
5761277 personal mobile communication system Jun. 2, 1998
5757902 Telephone exchange for wire telephone and radio telephone May. 26, 1998
5583923 Telephony network having no-ring telemetry call aborted in favor of incoming telephony calls Dec. 10, 1996
5546451 Call waiting cancellation device Aug. 13, 1996
5454032 Method of establishing communication link to one of multiple devices associated with single telephone number Sep. 26, 1995
5317629 Data communication apparatus connectable with a plurality of telephone sets and a telephone line May. 31, 1994
5313517 Automatic busy message sending system for telephone communication May. 17, 1994
5206901 Method and apparatus for alerting multiple telephones for an incoming call Apr. 27, 1993
5142569 Apparatus for selectively enabling subscriber device to respond to ringing signal in dependence upon ringing cadence Aug. 25, 1992
5029202 Incoming telephone call director Jul. 2, 1991
4969186 Telephone message waiting system and apparatus Nov. 6, 1990
4893335 Remote access telephone control system Jan. 9, 1990
4879743 PBX and adjunct using multi-frequency tones for communication therebetween Nov. 7, 1989
4139739 Telecommunications call back system Feb. 13, 1979



 
 
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