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Class Information
Number: 379/207.06
Name: Telephonic communications > Special services > Service trigger (activation or deactivation) > Line or loop condition > Transition from off-hook to on-hook (e.g., busy to idle, hook flash)
Description: Subject matter wherein the implementation of a service is controlled in response to receiving an indication that a party has completed a call (hung-up, no longer busy) or momentarily depressed a hookswitch of the party s telecommunications device.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7260202 |
Wait-time service in a telecommunications network |
Aug. 21, 2007 |
| 6947730 |
Method enabling mobile telephones to have automatic multiple telephone number dialing capability to a same called party |
Sep. 20, 2005 |
| 6947546 |
Hook-flash simulation in parallel with off-hook devices |
Sep. 20, 2005 |
| 6882719 |
Method for providing outgoing call reservation service in exchange system |
Apr. 19, 2005 |
| 6879677 |
Methods and systems for telephony call completion |
Apr. 12, 2005 |
| 6853725 |
Method and apparatus for off-hook management of plural subscriber premises devices connected to same telephone line |
Feb. 8, 2005 |
| 6807262 |
Central office control of receive and transmit handset volume |
Oct. 19, 2004 |
| 6744873 |
Telephone accessory device |
Jun. 1, 2004 |
| 6546096 |
Proximity detector for initiating automatic callback |
Apr. 8, 2003 |
| 6400804 |
On-hold activity selection apparatus and method |
Jun. 4, 2002 |
| 5949864 |
Fraud prevention apparatus and method for performing policing functions for telephone services |
Sep. 7, 1999 |
| 5937047 |
Remote voice mail messaging and management system |
Aug. 10, 1999 |
| 5828735 |
Games on hold telephony service |
Oct. 27, 1998 |
| 5757902 |
Telephone exchange for wire telephone and radio telephone |
May. 26, 1998 |
| 5712902 |
Telecommunications answering feature method and apparatus |
Jan. 27, 1998 |
| 5640449 |
Communications device to establish call in ISDN system |
Jun. 17, 1997 |
| 5600710 |
Method for providing a recorded message to a telephone caller when called number is busy |
Feb. 4, 1997 |
| 5546451 |
Call waiting cancellation device |
Aug. 13, 1996 |
| 5438616 |
Method and apparatus for storing telephone numbers and for automatically calling the stored numbers |
Aug. 1, 1995 |
| 5425091 |
Method and system for providing an automatic customer callback service |
Jun. 13, 1995 |
| 5029202 |
Incoming telephone call director |
Jul. 2, 1991 |
| 4969186 |
Telephone message waiting system and apparatus |
Nov. 6, 1990 |
| 4924500 |
Carrier independent network services |
May. 8, 1990 |
| 4924491 |
Arrangement for obtaining information about abandoned calls |
May. 8, 1990 |
| 4893335 |
Remote access telephone control system |
Jan. 9, 1990 |
| 4878243 |
Call forwarding system and method |
Oct. 31, 1989 |
| 4629832 |
Communication system administration method and circuitry |
Dec. 16, 1986 |
| 4232199 |
Special services add-on for dial pulse activated telephone switching office |
Nov. 4, 1980 |
| 4068101 |
Method and apparatus for the automatic communication of two telephone subscribers |
Jan. 10, 1978 |
| 4022983 |
Telephone switching system having automated call hold facilities |
May. 10, 1977 |
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