Class 379/207.06 - Transition from off-hook to on-hook (e.g., busy to idle, hook flash)

Subclass of Class 379 - Telephonic communications
Definition: Subject matter wherein the implementation of a service is
No. of patents: 32
Last issue date: 04/05/2011

Number	Title	Issue Date
7920687	Communication networks including flash hook detectors and methods of operating the same A communication network that includes a flash hook detector and a communication device is operated by detecting a flash hook of the communication device at the flash hook detector. A signal is transmitted from the flash hook detector to the communication network res...	04/05/2011
7636429	Providing call backup of voice over internet protocol (VoIP) terminal In providing call backup of a VoIP terminal, where the VoIP terminal connected to a VoIP network is automatically provided with a PSTN backup function, the on the hook state is deferred for a predetermined time period even when the on the hook state is required to b...	12/22/2009
7260202	Wait-time service in a telecommunications network A method for providing a wait-time service in a telecommunications network and a telecommunications system, comprising user terminals connected to a network via radio path. When a terminal user must wait for a requested service from the service provider, this is oft...	08/21/2007
6947730	Method enabling mobile telephones to have automatic multiple telephone number dialing capability to a same called party The invention is to provide a method enabling mobile telephones to have automatic multiple telephone number dialing capability to a same called party consisting of establishing a database recording a plurality of telephone numbers of a called party set by a user in ...	09/20/2005
6947546	Hook-flash simulation in parallel with off-hook devices A method for producing a hook-flash event on a loop (6B) incorporating a supervisory signal circuit. The supervisory signal circuit includes a supervisory signal source (2) that causes a supervisory current to flow around the loop through a threshhold ...	09/20/2005
6914977	Method and apparatus for programming guestroom telephones A programmable telephone system includes a guestroom telephone, where each guestroom telephone includes at least one speed-dial key, a memory corresponding to the at least one speed key for storing data corresponding to speed-dial telephone numbers, a controller and...	07/05/2005
6882719	Method for providing outgoing call reservation service in exchange system A method for carrying out an outgoing call reservation service, method comprises the steps of determining whether there is an input of the outgoing call reservation request from a calling subscriber of an exchange system, when a called party is determined to be in a...	04/19/2005
6879677	Methods and systems for telephony call completion The present invention is directed to processing calls to busy telecommunications lines. In one embodiment, the presence of a subscriber accessing a computer network over a first telephone line via a first computer terminal is detected, wherein the subscriber also ha...	04/12/2005
6853725	Method and apparatus for off-hook management of plural subscriber premises devices connected to same telephone line An off-hook management telecommunication system comprising a DTMF detector, an encoder and a microprocessor located within a channel unit. The system allows the user to depress a selected sequence of keys during a line connection which indicate to the microprocessor...	02/08/2005
6807262	Central office control of receive and transmit handset volume A switch based feature that allows subscribers to adjust their incoming or outgoing audio signal strength. The value of the transmit or receive pad values on the subscriber line card are adjusted to control the strength of the audio signal transmitted to, or receive...	10/19/2004
6546096	Proximity detector for initiating automatic callback A proximity detector (111) is provided for causing automatic callback. The proximity detector (111) causes the called party's telephone (506) to send a signal to the telephone system indicating that the automatic callback may proceed. For example, the det...	04/08/2003
6400804	On-hold activity selection apparatus and method An on-hold activity selection apparatus and method that allows an on-hold party to select an on-hold activity, from a menu of on-hold activities, with which to be entertained and/or informed. The on-hold activity selection apparatus detects the occurrence...	06/04/2002
5949864	Fraud prevention apparatus and method for performing policing functions for telephone services An apparatus and method is disclosed for performing policing functions for specialized telephone services, and for mitigating fraudulent usage of such services in ubiquitous telephone networks that carry voice, facsimile or voice-band-data traffic. Signal...	09/07/1999
5937047	Remote voice mail messaging and management system A remotely located voice massaging and management system incorporating conventional telephone switching technology. The system provides for processing and handling of multiple calls and integration of Voice/Fax messaging to accomplish various applications...	08/10/1999
5828735	Games on hold telephony service An on hold telephony service that allows a subscriber to the service to place a call on hold and make interactive games available to the party placed on hold. The on hold service can be implemented on a central office switch or an enhanced services platfo...	10/27/1998
5757902	Telephone exchange for wire telephone and radio telephone This invention is to provide a telephone exchange capable of operating any one of the juxtaposed and registered extension radiotelephones and wire telephones by only specifying one extension dial number. For this purpose, a wire port physical number is re...	05/26/1998
5712902	Telecommunications answering feature method and apparatus In a telephone system, if the telephone set of a called party is busy or an incoming call is not answered, the called party is unavailable. In this event an incoming call may progress to become intercepted at an attendant position or at a voice features s...	01/27/1998
5640449	Communications device to establish call in ISDN system A communications device, connectable to a digital network, such as an ISDN, for setting up a voice call to a remote telephone via the network, the device comprising logic for sending a call signal to the network to establish a call via the network to a lo...	06/17/1997
5600710	Method for providing a recorded message to a telephone caller when called number is busy A method of playing a recorded message to a caller when a called line is busy without actual connection of the call is disclosed. Utilization of the Advanced Intelligent Network is used to place calls attempting to reach a busy line into a queue in a serv...	02/04/1997
5546451	Call waiting cancellation device A device that links a telecommunication device (for example a data terminal, a telephone instrument, a message terminal or a video terminal) directly to a telephone line for cancellation of a call waiting tone. When an incoming call is received by the lin...	08/13/1996
5438616	Method and apparatus for storing telephone numbers and for automatically calling the stored numbers Techniques for establishing a connection with a calling party and a called party using the processing of an intermediary serving arrangement so as to minimize telephone costs and preserve privacy. During a first established telephony connection, the inter...	08/01/1995
5425091	Method and system for providing an automatic customer callback service Automatic Customer Callback (ACC) functionality is implemented directly into service logic of an Advanced Intelligent Network (AIN). The Advanced Intelligent Network includes a Central Office Switch (COS) which is provided in electrical communication with...	06/13/1995
5029202	Incoming telephone call director An incoming telephone call director is intended for use with a Ring-Master service which provides different ring signals on a single telephone line to selectively access one of several devices on the line. The call director ignores a first ring, counts th...	07/02/1991
4969186	Telephone message waiting system and apparatus A system transmits information over telephone lines using ring signals. The ring signals have bursts of selectable duration separated by selectable time intervals between bursts. A ring signal translator receives the ring signals from telephone lines wher...	11/06/1990
4924491	Arrangement for obtaining information about abandoned calls An emergency call service system, such as an E911 system, provides service system personnel with the addresses of abandoned calls to facilitate abandoned call follow-up. When a call comes in to a "911" ANI controller (21), the calling number is recorded. ...	05/08/1990
4924500	Carrier independent network services The present invention provides a method of establishing Carrier Independent Network Services (CINS) wherein feature and voice information are decoupled such that feature information is transmitted on a signalling link established on private and/or public ...	05/08/1990
4893335	Remote access telephone control system A telephone control system connects to the telephone line from a telephone exchange. The control system includes a detector for detecting signals on the line, a signal generator for producing and applying control signals to the telephone line, memory for ...	01/09/1990
4878243	Call forwarding system and method A call forwarding device forwards calls from a calling party via private equipment B operating in a call forwarding mode to a predetermined called party identified by a preprogrammed telephone number. The device is remotely controllable by the calling par...	10/31/1989
4629832	Communication system administration method and circuitry The present administration arrangement disables any idle system apparatus which would be affected by the administration changes being made. In the station administration mode once the selected station is idle it is held in a forced idle state until admini...	12/16/1986
4232199	Special services add-on for dial pulse activated telephone switching office A special services add-on specifically adapted for use in a dial pulse activated telephone switching office such as a step-by-step office to enable the addition of various modern features thereto, thereby extending the economic life of the office. The add...	11/04/1980
4068101	Method and apparatus for the automatic communication of two telephone subscribers Automatic communication establishment between two telephone subscribers of different exchanges. The identities of the caller and the called are transferred to the called exchange in the event that the called line is busy, permitting disconnection of the t...	01/10/1978
4022983	Telephone switching system having automated call hold facilities A wired logic PBX switching system is disclosed in which a camp-on circuit is used to provide automated call hold service. A station user places an existing call on hold by flashing the station switchhook contacts and dialing a predetermined code. The dia...	05/10/1977

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Class 379/207.06 - Transition from off-hook to on-hook (e.g., busy to idle, hook flash)