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| Number | Title | Issue Date |
| 7469042 | Method and apparatus of detection of inter-carrier looping Method and apparatus for detecting inter-carrier call looping. In one embodiment, the present invention is a method that can be used to reliably detect inter-network routing loops and kill associated calls using a modified ISUP Hop Counter parameter to be sent acros... | 12/23/2008 |
| 7426188 | Method and apparatus to facilitate variable-rate call management operations A network element (20), such as a PDSN or home agent, upon determining (11) a need to effect a call management operation, then determines (12) whether to constrain the facilitation of that call management operation. When determining that the cal... | 09/16/2008 |
| 7366288 | Method and apparatus of detection of inter-carrier looping Method and apparatus for detecting inter-carrier call looping. In one embodiment, the present invention is a method that can be used to reliably detect inter-network routing loops and kill associated calls using a modified ISUP Hop Counter parameter to be sent acros... | 04/29/2008 |
| 7317915 | Method and apparatus for testing a radio network In a radio communication system that includes multiple service areas, each service area is associated with a predetermined number or amount of radio communication resources. Each radio communication resource can be used for a prescribed period of time corresponding ... | 01/08/2008 |
| 7289512 | ATM transmission system A method for transmitting information in paths of an asynchronous transfer mode (ATM) network includes initiating setup of at least one new path in the ATM network if a capacity of a path currently used for transmission of information exceeds a setup threshold, assi... | 10/30/2007 |
| 7286654 | Method for preventing overload condition in a circuit switched arrangement Congestion problems in networks are alleviated with a method that works toward insuring that unused capacity will always exist in elements of a network that are resources which are shared by a plurality of users and which, consequently, can be overloaded. In respons... | 10/23/2007 |
| 7274780 | Network having space chattering control for maximizing call throughput during overload A network includes a space chattering mechanism for maximizing server throughput under overload conditions. The server provides control messages to various network traffic sources, which can require differing control instructions. ... | 09/25/2007 |
| 7130397 | Apparatus, and an associated method, for detecting a mass call event and for ameliorating the effects thereof Apparatus, and an associated method, for detecting and facilitating amelioration of mass call event in a telephonic network. A detector monitors call attempts to form call connections during operation of the telephonic network. When more than a selected level of cal... | 10/31/2006 |
| 7116767 | Apparatus and method for controlling telephone communications during intervals of high call traffic volume An apparatus for controlling telephone communications through a communication switch during intervals of call traffic volume in excess of a threshold call traffic volume includes: (a) a call traffic volume sensing device coupled with the communication switch and mea... | 10/03/2006 |
| 7068766 | Method for preventing overload condition in a circuit switched arrangement Congestion problems in networks are alleviated with a method that works toward insuring that unused capacity will always exist in elements of a network that are resources which are shared by a plurality of users and which, consequently, can be overloaded. In respons... | 06/27/2006 |
| 7065191 | Method and system for budgeting resources dedicated to processing non-voice data traffic A method and system that processes voice and non-voice data is configured to insure that the processing of the voice data is given priority over the processing of the non-voice data, to ensure that callers experience smooth, uninterrupted conversations. An estimate ... | 06/20/2006 |
| 7010102 | Method and apparatus of detection of inter-carrier looping Method and apparatus for detecting inter-carrier call looping using a modified Hop Counter parameter. ... | 03/07/2006 |
| 7002915 | Automated mass calling control for public switched telephone networks employing a packet based virtual tandem This patent concerns a system and method for detecting a mass calling event in a telephone system and to regulate telephone calls to a call destination for which a mass calling event has been detected where a packet transport network and Call Server is integrated in... | 02/21/2006 |
| 6977995 | Network having space chattering control for maximizing call throughput during overload A network includes a space chattering mechanism for maximizing server throughput under overload conditions. The server provides control messages to various network traffic sources, which can require differing control instructions. ... | 12/20/2005 |
| 6907115 | METHODS AND DEVICES FOR PROVIDING EARLY DETECTION, CONTROLLED ELIMINATION OF OVERLOAD CONDITIONS AND THE RETURN OF A CONTROLLED LEVEL OF TRAFFIC AFTER SUCH CONDITIONS HAVE BEEN SUBSTANTIALLY ELIMINATED Overload conditions affecting a processor of a network switch or the like are substantially eliminated, and the processing of traffic is gradually allowed to increase, by inserting, and then monitoring one or more probes which are placed into a queue of the processo... | 06/14/2005 |
| 6829338 | Network having space chattering control for maximizing call throughput during overload A network includes a space chattering mechanism for maximizing server throughput under overload conditions. The server provides control messages to various network traffic sources, which can require differing control instructions. ... | 12/07/2004 |
| 6826268 | Method for overload control in a telecommunications network and apparatus therefor A method of suppressing overload in a telecommunications network involves the second node (1) receiving a signal that calls it has sent to a target node are being rejected and (2) reducing the rate of calls it sends to the target node in response. The network... | 11/30/2004 |
| 6823052 | Method and system in an overload situation in a telephone exchange system Method for registering an overload situation in a telephone exchange system comprising a local exchange, an access node, a concentrating interface connecting the access node to the local exchange, a resource manager, which is part of the local exchange and a statist... | 11/23/2004 |
| 6748063 | Call distribution A call distribution system, suitable for use in a network supporting a telemarketing call center, maintains call counts at a global data server and at a number of transaction servers which are connected in common to the global data server. A choice is made of either... | 06/08/2004 |
| 6636588 | Intelligent network system In an intelligent network system, a service subscriber can remotely execute a procedure, such as a registration or a change of the contents of service, which is performed by an operator in the conventional system, through an external terminal by him or he... | 10/21/2003 |
| 6567510 | Traffic monitor for detecting trunk traffic congestion in a telephone switching network A traffic monitor listens passively on the data link used to communicate among switching systems for setting up telephone calls for call setup messages and checks the call setup messages for destination telephone number. If it determines that the destinat... | 05/20/2003 |
| 6567515 | Dynamic control of multiple heterogeneous traffic sources using a closed-loop feedback algorithm Described is a method for controlling nodes in a network including the steps of sending a proposed maximum working rate to a plurality of nodes, computing the number of responses received from the nodes by a central controller in a set period and adjustin... | 05/20/2003 |
| 6522732 | System and method of preserving stable calls during a split mode operation of telecommunications equipment A computerized method of preserving stable calls during a split mode operation of telecommunications equipment includes the steps of sending a call block update message from a first side of the telecommunications equipment to a second side of the telecomm... | 02/18/2003 |
| 6510214 | System and method of detecting overload in a service control point of a telecommunications network A service control point (24) includes an overload control system (50) that determines an overload rating (70) for an intelligent processing unit (82). The overload control system (50) includes a latency estimator (52) that requests and receives a latency ... | 01/21/2003 |
| 6459902 | System and method for selectively blocking or dropping calls in a telecommunications network A system for selectively blocking or dropping calls in a telecommunications network. The system includes a first mechanism that monitors usage of the telecommunications network and provides a gauging signal in response thereto when the network usage excee... | 10/01/2002 |
| 6449350 | Processes and systems for dynamically measuring switch traffic A process and system is disclosed for determining automatically and dynamically the correct time segment during which a switch or components of a switch receive peak traffic from a communications network. The process collects traffic data regarding the us... | 09/10/2002 |
| 6356629 | Switched virtual circuit controller setup congestion management strategy A method that specifies a congestion management strategy for a SVC (Switched Virtual Circuit) controller in a connection-oriented network. The rate of setup messages arriving at a given interface handled by the controller and the aggregate number of calls... | 03/12/2002 |
| 6243449 | Mass calling event detection and control A method for handling congestion in a communication network, known as a focussed mass calling event (MCE), occurring when the rate of calls to any given terminating number increases dramatically resulting in a large number of incomplete calls directed tow... | 06/05/2001 |
| 6205212 | Method and apparatus for implementing software objects in an intelligent communication network to process and control communication traffic Traffic in an intelligent communications network having a distributed processing environment is controlled using software objects corresponding to respective components of the network. Each object is associated with a respective service element parameter ... | 03/20/2001 |
| 5949862 | Traffic measuring apparatus and method A traffic measuring apparatus provided in an exchange measures traffic caused by call control for a plurality of terminals accommodated in the exchange. The traffic measuring apparatus includes a traffic measuring section for measuring traffic in accordan... | 09/07/1999 |
| 5933481 | Method of controlling call traffic in a telecommunication system A method of controlling call traffic in a telecommunication system by dynamically altering the rate at which offered calls are accepted includes the steps of successively determining the offered call rate, and accepting calls from the offered calls, at a ... | 08/03/1999 |
| 5892818 | Method of controlling message overload on a program in a plural processor controlled switching system The present invention relates to a method of controlling a message overload in a program of an electronic switching system having a large capacity controlled by a plurality of processors, and more particularly, to a method of controlling a message overloa... | 04/06/1999 |
| 5864611 | System and method for estimating traffic rates A system and method for estimating the traffic rates of large traffic sources is provided. A class of a most recently selected address is compared to the contents of a register. If the class is the same as the contents of the register, a first counter is ... | 01/26/1999 |
| 5844974 | Emergency telephone communications system An emergency telephone communications system allows communications during congestion in the event of disaster. The system includes an exchange and telephones connected to the line circuits thereof. The exchange sends a congestion generation signal to a co... | 12/01/1998 |
| 5841848 | System and method for completing telephone calls to emergency telephone numbers in highly concentrated access systems Disclosed is a system and method which screens all telephone call originations on an access system for calls to emergency services during times of telephone system congestion and bases a decision as to how to handle the call on such determination. Accordi... | 11/24/1998 |
| 5825861 | Telecommunications networks In a telecommunications network of the kind which handles non-time-critical calls (NTCC) in addition to normal telephony, a congestion indication is transmitted to NTCC transmitting platforms if volume and/or rate limit for a particular communications rou... | 10/20/1998 |
| 5710972 | Method and apparatus for deferring zone resistrations from a PSU-pager when the PSU's own call rate is less than or equal to a transmitted threshold A method and apparatus controls zone registrations in a radio communication system providing radio coverage to a portable subscriber unit (122) within a plurality of zones (402), wherein the portable subscriber unit (PSU) determines its own call rate (602... | 01/20/1998 |
| 5655120 | Method for load balancing in a multi-processor system where arising jobs are processed by a plurality of processors under real-time conditions Method for load handling in a multiprocessor system, particularly a multiprocessor system of a communication system, whereby arising jobs can be processed by a plurality of processors under real-time conditions. When individual processors proceed into ove... | 08/05/1997 |
| 5581610 | Method for network traffic regulation and management at a mediated access service control point in an open advanced intelligent network environment A method of regulating and managing network traffic at a mediated access service control point in an advanced intelligent switched telephone network that allows a local exchange carrier to monitor and enforce traffic rates negotiated between the local exc... | 12/03/1996 |
| 5539815 | Network call routing controlled by a management node A network management node (10) collects trunk loading data and switch congestion data from switches in a telecommunication system. Path loading vectors (52, 56,) constraint vector (66), and switch congestion vector (76) are calculated and compared to yiel... | 07/23/1996 |
