Matches 451 - 500 out of 785 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
Match Document Document Title
6567656 Controlling surveillance monitoring of mobile station communications at inter-exchange handoff  
Control is exercised over a tap connection made for law enforcement agency monitoring of mobile station communications in response to an inter-exchange hand-off. Where such a tap connection does...
6556819 Safe zones for portable electronic devices  
A security system for a cellular telephone for controlling the status of security features based on location. The invention includes at least one security feature within the cellular telephone that...
6553495 Anti-theft device  
The present invention relates to an electronic anti-theft device for computers and other processor-assisted electronics, such as memory components, hard disks, plug-in boards and processors. The...
6546239 Mobile radio telephone with reduced key set  
The invention provides the possibility of reducing the size of a mobile phone ( 1 ) by reducing the key set ( 7, 11, 12, 13 ). The invention provides a system and a method for mobile radio...
6542730 System and method for disabling a cellular phone  
A system and method for temporary or permanent disabling of a cellular control device is described. A cellular control module is responsive to either a temporary disable command or a factory...
6542729 System and method for minimizing fraudulent usage of a mobile telephone  
A system and method for minimizing fraudulent usage of a mobile telephone, wherein data regarding an authorized user's prior usage of a mobile telephone is accumulated, data regarding a current...
6535728 Event manager for use in fraud detection  
A fraud detection system receives data relating to telecommunications activity. Event generators generate events from the received data, with each event having a weight corresponding to an...
6535727 Method and apparatus for providing pre-pay and post-pay communication services using the same integrated  
A method and apparatus are disclosed for providing pre-pay and post-pay calls. After receiving a pre-pay call, an integrated service platform obtains and transfers a pre-pay destination number and...
6532361 Method for controlling the access authorizations of telecommunication devices at cooperation stations  
In order, in telecommunications systems having wireless telecommunication between telecommunication devices and cooperating stations, to be able to at least temporarily use cooperating stations...
6529725 Transaction security apparatus and method  
A transaction security apparatus and method including an input device for inputting transaction data, a processing device for processing the transaction data and for generating a first signal...
6529723 Automated user notification system  
The present invention provides an automated user notification system for monitoring user items and notifying a user when selected conditions occur. A first portion of the notification system...
6522874 User key validation to prevent fraud during system handoffs  
A user key validation during a handoff verifies the subscriber using the wireless communication system and prevents fraudulent use of the system. A wireless communication system ( 10 ) has a number...
6507734 Method and system which uses sound wave based communication to generate a secure wireless link between a handset and base station  
Methods and apparatus for establishing secure wireless links between a handset and a base station in cordless telephone systems are described. A method of generating a secure wireless link between...
6505039 Call security system which detects fraud by examination of call history  
A method and apparatus for reducing the vulnerability of the telecommunications system to unauthorized use that is easy to implement and that can reduce the instances of unauthorized access even...
6501939 Satellite communications adapter for a cellular handset  
A dual-mode telephone with a satellite communication adapter is disclosed. According to one embodiment of the present invention, a cellular-type handportable phone is equipped with a connector for...
6490463 Method for the parametrization of a mobile telephone  
In a mobile telephone, it is planned to divide the functions usable by this mobile telephone into basic functions and comfort functions. It is planned that access to the comfort functions should be...
6484022 Wireless communications device having externally controlled transmission of identity  
A method of controlling the transmission of identities for wireless communications devices relies on a broadcast message from the network to instruct the wireless communications devices as to when...
6477384 Checking the presence of mobile stations communicating on a direct mode channel  
A method of checking the presence of mobile stations (DMRU: 2, 500 ) communicating on a direct mode channel. The method comprises the steps of: a) sending ( 302 ) a presence inquiry message ( 106 )...
6473613 Method and system for generating a secure wireless link between a handset and base station  
Methods and apparatus for establishing secure wireless links between a handset and a base station in cordless telephone systems are described. A method of generating a secure wireless link between...
6473611 Preventing misuse of call forwarding service  
A method and an arrangement for detecting the misuse of the call forwarding service in a mobile communication system. In the invention, call forwarding is activated for routing a call addressed to...
6470082 Communications system using portable recording medium  
By using an external portable recording medium (for instance, IC card) that stores a personal ID, a communications apparatus automatically transmits the personal ID and its own terminal...
6466781 Biometric authentication technology for wireless transceiver activation  
The invention is based on a transceiver for which two different off-states are provided. The user authentication module is not supplied with power in a first off-state whereas it is already...
6466779 System and method for secure provisioning of a mobile station from a provisioning server using IWF-based firewall  
There is disclosed a security apparatus, for use in a wireless network comprising base stations that communicate with mobile stations, for preventing unprovisioned mobile stations from accessing an...
6466778 Monitoring a communication network  
Communication patterns over a network can be monitored by initially associating a mark with one or more entities in the communication network. Communications between each marked entity and at least...
6466777 Clone terminal detection system and method  
A clone terminal detection system includes a position information memory, comparator, and detector. The position information memory updates and stores position registration information of a mobile...
6463277 Personal mobile communication system with call bridging  
A communications system permits a personal mobile telecommunications device user, such as a cellular telephone subscriber, to complete a connection to a calling party that has attempted to reach...
6463276 Mobile terminal having conditional blocking of outgoing call requests  
A method and apparatus for preventing the fraudulent access of a mobile terminal is disclosed. The mobile terminal includes a user profile defining particular behaviors which are allowed by the...
6459893 Method and system for tracing a subscription  
The invention relates to a method and system for tracing a subscription in a telecommunication system. The telecommunication system comprises a local exchange, an access node connected to the local...
6453159 Multi-level encryption system for wireless network  
A multi-level encryption scheme is provided for a wireless network. A first level of encryption is provided primarily for wireless communications taking place between a mobile terminal and an...
6449473 Security method for transmissions in telecommunication networks  
The invention related to method for providing connection security for the transmission between communicating parties in a telecommunication network, the method comprising the steps of: exchanging...
6438367 Transmission security for wireless communications  
A method of transmission level security, and a corresponding transmission security system, the method consists of the steps of: forming a plurality of digital signals representing a symbol to be...
6418224 Methods and apparatus for self-inverting multiple-iteration CMEA crypto-processing for improved security for wireless telephone messages  
A self-inverting enhanced CMEA encryption system suitable for use in wireless telephony. An unprocessed text message is introduced into the system and subjected to a first iteration of a CMEA...
6418130 Reuse of security associations for improving hand-over performance  
In a radio telecommunication system, the performance of a mobile unit can be significantly improved during a hand-over procedure by reusing existing security associations that correspond to the...
6415144 Security system and method  
A method of message management is provided for use with a mobile communications device having core and protected memories. The mobile communications device is in communication with a radio...
6405030 System for interception of digital cellular phone communication  
A system for interception of digital cellular phone communication which is required by Communication Assistance for Law Enforcement Agency CALEA. The system includes a plurality of wide area...
6405029 Wireless prepaid telephone system with dispensable instruments  
A telecommunication system incorporates individual station instruments simplified by wireless operation, voice dialing, prepaid accounting and out-call operation, all enabled by cooperative system...
6400947 Caller line identification for GSM and wireless communications systems  
In a wireless GSM communication network, caller data can be collected at a central location and centrally stored, regardless of the operating state of the phone being called. The GSM gateway mobile...
6400939 Method for limiting use of terminal equipments  
The invention relates to a method for limiting terminal equipment use of home subscribers of a network in a telecommunications system in which each subscriber has a subscriber identity and with...
6393283 Wireless communications system and method of operation for reducing fraud  
The wireless communications system includes a home carrier and a HLR memory, associated with the home carrier, for storing a number of Home Locator Records defining the level of service to be...
6393270 Network authentication method for over the air activation  
A method for authenticating a cellular service provider during over the air activation of a mobile station includes the steps of programming an A-key value into the mobile station and providing the...
6389423 Data synchronization method for maintaining and controlling a replicated data  
The aim of the present invention is, as for a data communication among the nodes sharing, managing and maintaining the replicated data, to reduce the communication traffic by utilizing attributes...
6385316 Method and apparatus for encrypting data in a wireless communication system  
In a communications system, a method of transforming a set of message signals representing a message comprising the steps of first encoding one of the set of message signals in accordance with a...
6377792 Method and apparatus for network-to-user verification of communication devices based on time  
A method and apparatus provides for a subscriber device ( 106 ) to signal changing from a first network to a second network including receiving via a transceiver ( 120 ) at the subscriber device (...
6377791 Method and system for identifying an illegal terminal in a cellular radio system  
A cellular radio system comprises terminals ( 401, 402 ) arranged to transmit a specific message of a predetermined form at least two times ( 408, 409; 413, 414 ), so that there is a predetermined...
6373949 Method for user identity protection  
In the method in accordance with the present invention, the subscriber identifier to be sent to the transmission network is encrypted using a cipher key common to a specific group of subscribers,...
6370402 Portable radio terminal  
The present invention provides a portable radio terminal comprising an off-memory 5 - a in which a power-off time is stored, an on-memory 5 - b in which a power-on time is stored, a difference...
6370373 System and method for detecting cloning fraud in cellular/PCS communications  
A system and method for proactively detecting cloning fraud in a cellular mobile telephone environment are discussed. Information is collected which corresponds to registration notifications of the...
6360092 Remote unblocking of access to a telecommunication service  
The invention concerns clearing by telephone access to a telecommunication network service, the access using a set (SUB 1 ) of identification data (PIN 1, IMSI 1, MSISDN) stored in an...
6356764 Wireless communication systems, interrogators and methods of communicating within a wireless communication system  
The present invention relates to wireless communication systems, interrogators and methods of communicating within a wireless communication system. One aspect of the present invention provides a...
6351634 Mobile telephone and method for registering and using special symbols as a password in same  
A mobile telephone is provided which includes a touch screen, character recognition means for recognizing data inputted via the touch screen, and a processing unit for receiving at least one secret...
Matches 451 - 500 out of 785 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >