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7388947 |
Controllable telecommunications switch reporting compatible with voice grade lines
Data generated at a telecommunications network switching node is selectively delivered to one or more data receiving device (e.g., data “collection box”) connected to the network, and command...
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7277528 |
Call-content determinative selection of interception access points in a soft switch controlled network
By selecting access points specific to the various components of call-content of a call, a monitoring agency is ensured of obtaining the call-content of each participant in telephone call...
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7257199 |
Telephony based remote location monitoring
A method, system, and program for telephony based remote location monitoring are provided. A telephone network receives the caller request to listen only to a remote location telephony device. The...
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7245702 |
Method and apparatus for determining and reporting the operational status of an integrated services hub
The present invention discloses a method and apparatus for determining and reporting the operational status of an integrated services hub. The AC power supply and wide area network connection of...
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7224672 |
XDSL modem
A reception result of an analog signal transmitted from a local switch to a subscriber line, or a voltage difference corresponding to a line current is analyzed, and a transmission characteristic...
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7212496 |
Remote test unit
A remote test unit (RTU) and method of operation are provided for utilizes the ability of an access matrix ability to route signals. The RTU can emulate a central Digital Subscriber Line Modem...
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7185090 |
Multimedia wired/wireless content synchronization method
A method of synchronizing a multimedia content stream for output to a plurality of wired and wireless output device in a network having plural realms, wherein each realm includes a CTL, includes...
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7130609 |
Wireless backup telephone device and associated support system
A wireless telephone backup device for landline telephone equipment that may be located on the customer side of the landline service connection, typically in a restricted access location, such as...
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7092493 |
Methods and systems for providing lawful intercept of a media stream in a media gateway
Methods and systems for providing lawful intercept of a media stream in a media gateway include establishing a call context between a first termination and a second termination and establishing a...
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6980821 |
Call center access in a push to talk based call system
A dispatch based call system configured to contact a call center using a single unique name or number. Multiple users are able to simultaneously dispatch the single generic call center number and...
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6970554 |
System and method for observing calls to a call center
An observation system for observation calls to a call center includes an automatic call director (ACD) unit, an interactive voice response (IVR) unit, and a recorder unit. The ACD receives incoming...
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6931103 |
Failover mechanisms for remote networked phones
A method of providing failover service to network phones. A failure of communication between a network phone and a primary call manager is identified. Communication is established with a default...
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6807253 |
Switching apparatus having function for processing malicious call and operating method of the same
A switching apparatus and method are disclosed. The method involves establishing, in response to a call from a caller, a communication path between the caller and a called party, selectively...
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6754312 |
Method for monitoring a subscriber of an intelligent network
In a method, a call number of a subscriber that is to be monitored is flagged by an indication of subscribers that are authorized to monitor. A conference circuit between the subscriber which is to...
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6754311 |
Enhanced subscriber line call monitoring
Enhanced subscriber line monitoring is provided for telephone calls in a telecommunications network. A telecommunications switch ( 102 ) is coupled to adjunct processor ( 104 ). Subscriber lines (...
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6744855 |
Service control platform
The invention relates to a method of intercepting calls between two or more subscribers (A, B) of a communications networks (KOM) and to an interception manager and a service control platform for...
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6741676 |
Determining the physical structure of subscriber lines
A method determines a structure of a subscriber line. The method includes searching a reference set for a match between the subscriber line and a model line of the reference set and identifying...
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6735457 |
Automatic number capture
A wireless telephone comprising a receiver to receive a DTMF (dual tone multi-frequency) audio tone transmitted to the wireless telephone during a conversation mode of the wireless telephone, and a...
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6728338 |
Utilization of communication channels between a central office switch and a law enforcement agency
A method and apparatus for conserving Communications Content Channels between a serving switching system and a Law Enforcement Agency premises. After a connection has been established between the...
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6628754 |
Method for rapid noise reduction from an asymmetric digital subscriber line modem
A method for rapid noise reduction from a splitterless ADSL modem. The modem stores a value for the power level of its transmitter in a table along with transmission characteristics of the...
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6584148 |
System and method for testing digital subscriber lines
A system for testing a communication path for digital subscriber line (DSL) signals includes a loop management device coupled in the communication path between a DSL access multiplexer (DSLAM) and...
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6574280 |
Method and apparatus for detecting and determining characteristics of a digital channel in a data communication system
An initialization procedure for a digital modem system treats the presence of ADPCM as if it were a digital impairment such that the modem system can utilize effective compensation techniques to...
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6542581 |
Method for controlling the transmission power in a digital subscriber line
The method is for controlling the transmission power for a session in a system when transmitting data via a telephone line by using a digital subscriber line between a user terminal and a central...
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6498843 |
Method and system for intercepting and monitoring signals in a network
Methods and systems consistent with the present invention intercept and monitor signals of any type associated with a target telephone number in a communications network such that the interception...
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6470074 |
System and method for providing data and voice services on a shared line
A cross connect physical layer switching system is integrated into a central office and facilitates delivering data services, such as digital subscriber line (DSL) service, to subscribers over a...
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6424700 |
Network based distributed PBX with connection loss survival features
Methods and apparatus are described for maintaining established local calls at an access module in case of change of the call control for a distributed PBX over a communications network, e.g. WAN...
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6418196 |
Method and system in telecommunications system
A user of a telephone service selects the quality level of a connection by manually specifying the desired quality level, automatically setting up the call with the specified quality level. To...
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6411802 |
Wireless backup telephone device
A wireless telephone backup device for landline telephone equipment that may be located on the customer side of the landline service connection, typically in a restricted access location, such as...
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6400802 |
Method and apparatus for performing transmission line testing
A method and apparatus for testing and measuring transmission line parameters, such as the post-dial delay, the line rate, the noise level and the signal level, among others. The method comprises...
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6356622 |
System and apparatus for enhancing a network link
A system for providing robust and secure communications connections in a telecommunications network is disclosed. The system includes an apparatus supporting functions directed to the establishment...
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6320940 |
Network termination device with automatic detection and correction of circuit polarity
A network termination device which will operate correctly even if its connection to a central office has reverse polarity. A network termination device at customer premises is connected to a line...
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6307925 |
Use of wizards/experts in a PBX environment
Telecommunication equipment is connected to and controlled by a computer which executes software controlling the digital communication between the telecommunication equipment and the computer....
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6266395 |
Single-ended subscriber loop qualification for xDSL service
A method and apparatus for single-ended qualification of subscriber loops for xDSL services is described. The method involves first screening a subscriber loop database record for disqualifying...
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6240177 |
Communication device comprising an off-hook detection circuit
The subject of the invention is a communications device connected in parallel with at least one item of communications apparatus on a transmission line (L1, L2). The device and the apparatus...
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6061429 |
Test telephone
A test terminal includes a circuit for opening a loop switch to prevent setting up of calls from the terminal via a telephone line when a signal received from the telephone line via a first...
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6026146 |
Automated voice terminal protocol identification system
The automated voice terminal protocol identification system automatically identifies the nature of the voice terminal that is connected to the voice terminal test facility in a manner that ensures...
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6014426 |
Telephone line integrity monitoring system
A system for monitoring for integrity of a telephone line connected between a central monitoring station and a subscriber's equipment which comprises a first module for initiating transmission of...
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6002747 |
Telephone privacy and alerting device
A telephone privacy and alerting device for connection between a common telephone line and a telephone device. The privacy and alerting device includes a privacy circuit to prevent the telephone...
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5978449 |
Qualifying telephone line for digital transmission service
A telephone wire pair is qualified for digital signal transmission by central office testing. The tip-to-ring capacitance of the wire pair is measured while applying to the wire pair an AC test...
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5920610 |
System and method for updating database of customers' telephone numbers
A telephone number status is rapidly and easily examined to update a telephone number list. Telephone numbers stored in a telephone number list are sequentially transmitted from an ISDN line to a...
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5917896 |
Bridgeable fax monitor for help desk support
A method of and system for passively monitoring facsimile transmissions between an originating fax machine and a terminating fax machine. The system detects a ring signal from the originating fax...
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5857012 |
Radio telephone base station with a monitoring apparatus
A base station for a radio telephone system includes a monitoring device for monitoring operation of the base station. The base station has two antennas, and two couplers for coupling the...
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5854824 |
Connectivity scanner
An interconnection monitoring system for use with a multiple node wired network, the system comprising a plurality of transmitters, each located at a node of the network for transmitting a...
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5852649 |
Alarm notification system and method for a telephone switch
An alarm notification system 100 and method for automatically reporting an alarm condition related to a telephonic switch 102 to a remote communications device, such as a display unit 104 or a...
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5825850 |
Automatic bypass switch for signal conductor
A lightweight, portable, low-power automated bypass device for passing a signal between a first point and a second point on an electrical conductor when an electrical discontinuity exists thereon....
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5818906 |
Connection event reporting in a cable telephony system
A cable telephony system (100) including a plurality of subscriber units (142) connected to a cable control unit (102) by a cable distribution network (106) in which the cable control unit (102)...
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5809109 |
Integrated ring sensor with fault detection
A power cross circuit detects a ring trip condition in order to switch a pair of switch relays to a protection circuit and to appropriate line driver circuitry to enable a talking condition for a...
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5802145 |
Common channel signaling event detection and control
A system and method for utilizing a common channel signaling network controlling a communications system to detect predetermined events and to execute a predetermined script upon detection of those...
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5802144 |
Minimum common span network outage detection and isolation
A method and related system dynamically determines the location of a network outage in a telecommunications network. A plurality of alarm generating network equipments are located at spaced sites...
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5802141 |
Electronic private branch exchange
An electronic private branch exchange includes a first fault detection portion, a first alternate control portion, a second fault detection portion, and a second alternate control portion. The...
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