Class 379/207.07 - Transition from on-hook to off-hook (e.g., idle to busy)

Subclass of Class 379 - Telephonic communications
Definition: Subject matter wherein the implementation of a service is
No. of patents: 26
Last issue date: 05/22/2012

Number	Title	Issue Date
8184793	Multi-line telephone calling Network architectures, methods, and operations for routing telephone calls are disclosed. A customer premise includes a conventional POTS dedicated communication line to a central office switch and a broadband connection to a data network. The central office switch ...	05/22/2012
7308081	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...	12/11/2007
6996221	Apparatus, method and system for providing telecommunication conferencing services in a multiple leg telecommunication session The system, apparatus and method of the present invention provide telecommunication conferencing services in a multiple leg telecommunication session. One of the system embodiments includes a database and a switching center. The database has stored in a memory a plu...	02/07/2006
6639973	Mobile originator call control An originating party (10) places a call through an originating party called control (30), through a network (40), through a terminating party call control (50) to a terminating subscriber (22). For an inability to complete the connection from the originat...	10/28/2003
6453023	Voice mail intervention A system, method, and apparatus for retrieving a telephone call that has been diverted from an originally called user telephone to an alternative destination, such as a voice mail system or another user telephone. An incoming call directed toward the call...	09/17/2002
6389118	Methods and apparatus for connecting a telephone subscriber to a peripheral device An electronic switch in a telephone system provides automatic connection of a subscriber going off-hook to a SN/IP, while at the same time remaining responsive to dialing by the subscriber. The switch also permits access code dialing connection to the SN/...	05/14/2002
5949852	Method for recording messages for absent parties A method is described for electronically recording messages after the called telephone goes off-hook. The method may be physically implemented by an apparatus in the home or office, or by a system installed in a service provider central office. When a cal...	09/07/1999
5949873	Method of providing centrex type operation using a PBX and a central switching office A method of operating a communication switching system in conjunction with a PBX comprising: storing at the PBX equipment station identifiers in association with directory numbers, storing at the switching system the station identifiers in conjunction wit...	09/07/1999
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
5815562	Apparatus and method for providing a user with one telephone number that rings phones on heterogeneous systems worldwide A server allows a worldwide telephone number associated with a local telephone to be shared by one or more remote telephones. A call placed to the worldwide telephone number rings at the local telephone and at least one of the remote telephones. The serve...	09/29/1998
5802160	Multi-ring telephone method and system A method and system of providing telephone service comprises associating a list of telephone numbers with a representative telephone number. A call to the representative telephone number is detected and a plurality of telephone numbers on the list are sim...	09/01/1998
5784437	Electronic switch connected to intelligent peripheral while permitting call processing of dialed digits An electronic switch in a telephone system provides automatic connection of a subscriber going off-hook to a SN/IP, while at the same time remaining responsive to dialing by the subscriber. The switch also permits access code dialing connection to the SN/...	07/21/1998
5761277	personal mobile communication system We have recognized that in the prior art, to insure that there is at least some communication between the calling and called parties, when the called party is unavailable to take a call, the calling party may be connected to an alternate destination, e.g....	06/02/1998
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
5583923	Telephony network having no-ring telemetry call aborted in favor of incoming telephony calls A telecommunications network including a number of digital main switching units connected to local switching units which provide telephony service to consumer premises via local connections provide telemetry services for utilities by way of a telemetry pl...	12/10/1996
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
5454032	Method of establishing communication link to one of multiple devices associated with single telephone number A method of establishing a telephone communication link from a calling line to one of plural peripheral devices associated with a single telephone number in a central office telephone switching system or PBX is comprised of storing in a memory a first tab...	09/26/1995
5317629	Data communication apparatus connectable with a plurality of telephone sets and a telephone line A communication apparatus selectively uses plural telephone sets and a line. The communication apparatus includes a circuit for detecting a calling signal from a line, and a control circuit for allowing a specific telephone set to receive an incoming call...	05/31/1994
5313517	Automatic busy message sending system for telephone communication An automatic busy message sending system for use in telephone communication to inform the calling subscriber, when the called subscriber's line is busy, of the duration of the busy status by voice. As the calling subscriber can receive, when the called su...	05/17/1994
5206901	Method and apparatus for alerting multiple telephones for an incoming call A system for alerting a plurality of telephones in response to an incoming call to a destination directory number. A handling switch sends a query to a centralized database requesting routing instructions, and the database returns the directory numbers of...	04/27/1993
5142569	Apparatus for selectively enabling subscriber device to respond to ringing signal in dependence upon ringing cadence A ringing cadence filtering apparatus, which controllably prevents a subscriber device receiving ringing signals other than those having a prescribed cadence, is interposed betweeen a telephone line and a line device that has been assigned one of the tele...	08/25/1992
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
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
4879743	PBX and adjunct using multi-frequency tones for communication therebetween A PBX system is responsive to an incoming call which is directed to an adjunct of the system for sending a ringing signal over a station facility to the adjunct. When the adjunct goes off-hook, the system outputs to the adjunct over the station facility m...	11/07/1989
4139739	Telecommunications call back system A centrally located processing unit controls the use of long-distance communication circuits and records the use of the circuits. The centrally located processing unit selects the least expensive telephone line available and instructs the remote satellite...	02/13/1979

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Class 379/207.07 - Transition from on-hook to off-hook (e.g., idle to busy)