Matches 1 - 27 out of 27
Match Document Document Title
EP0739574B1 ESTABLISHING A GROUP CALL IN A MOBILE RADIO SYSTEM  
Abstract not available for EP0739574 Abstract of corresponding document: US5852781 PCT No. PCT/FI95/00614 Sec. 371 Date Jul. 10, 1996 Sec. 102(e) Date Jul. 10, 1996 PCT Filed Nov. 10, 1995 PCT...
6611684 Method and apparatus for implementing customer group functionality in a wireless environment  
A method for implementing customer group functionality in a wireless environment. A group table can contain group data associated with a group of wireless subscriber stations. A subscriber table...
6385459 Method of handling an event by a plurality of consoles  
A method of handling an event by a plurality of consoles includes the steps of receiving an event ( 519 ) at a communication system and displaying the event at the consoles ( 101 and 117 ),...
6266535 Telecommunication network which transmits the state of an occurrence of a non-call related service request associated with a network termination  
A telecommunications network provides communications links between network terminations, and includes switches, two or more network terminations interconnectable by the switches to establish...
6188911 Efficient message transmission in a mobile communication system  
The present invention reduces signaling between a mobile control node and one or more base stations. A common controller at each base station controls allocation of communication resources related...
6108692 Method and apparatus for internetworking buffer management  
A method and apparatus for receiving and transmitting network frames via an internetworking device, in which a first portion of a total number of buffers is allocated among port-dedicated buffer...
6021326 Trunked multi-site dispatch network for trunking radios  
A system for networking dispatch-type of communications. A plurality of radio cells are coupled to a centralized hub controller via the public switched telephone network. The radio cells are...
5999820 Dispatch console having communication modules with caller tracking feature  
A dispatch console for a radio system is disclosed, where the radio system includes an audio switching tower which routes audio communications between a switching device and audio input/output...
5930723 Establishing an expanded group call in a mobile communication system  
For establishing an expanded group call in a mobile communication system which has group call groups formed by a plurality of mobile stations, a network infrastructure which has at least one...
5875211 Multisite radio system with false mobile radio signalling detection  
In a digitally trunked radio repeating system that may include several radio site repeating transceivers, a site area identification coding system to ensure that transmissions intended for one site...
5852781 Establishing a group call in a mobile radio system  
A method and mobile radio system for establishing a group call extending to service areas of several exchanges in a mobile radio system which includes at least a first exchange and a second...
5812775 Method and apparatus for internetworking buffer management  
A method and apparatus for receiving and transmitting network frames via an internetworking device, in which a first portion of a total number of buffers is allocated among port-dedicated buffer...
5801690 Method for managing termination of a multi-processing software application  
A computer system (110) has a multi-processing software application operating (200) thereon. There are multiple client processes (221-228) concurrently operating as components of the...
5796944 Apparatus and method for processing data frames in an internetworking device  
An address management circuit and method of operation, for use in a communications internetworking device, includes a search engine having first and second search circuits for concurrently...
5761240 Method and apparatus for determining an optical communications channel without loss of channel messages on a current communications channel  
A method and apparatus are provided for determining the fidelity of one or more communications channels with high efficiency and resolution with particularly advantageous application to digital...
5754960 Display console and user interface for multisite RF trunked system  
A dispatcher console for use in a digitally trunked, multisite public service radio system. The dispatcher counsel comprises a personal computer having a co-processor logic board, an audio...
5748633 Method and apparatus for the concurrent reception and transmission of packets in a communications internetworking device  
A method and apparatus for increasing the throughput of a communications internetworking device using concurrent reception and transmission of data packets. The method involves the beginning of a...
5699354 Audio routing within trunked radio frequency multisite switch  
A distributed trunked radio frequency (RF) switching network (multisite switch) distributes audio routing control information and digitized audio signals to communications interface modules (nodes)...
5659881 Distributed method of call arbitration in an RF trunking multisite coordinator architecture  
A method for resolving talk group call contention in a multi-site trunked radio frequency communications network is accomplished in a distributed manner by utilizing autonomous call arbitration...
5651002 Internetworking device with enhanced packet header translation and memory  
An internetworking device providing enhanced packet header translation for translating the format of a header associated with a source network into a header format associated with a destination...
5650995 Console dispatch in an extended multisite radio communications network  
In an extended overall radio communications network, one or more dedicated Network Interface Modules (NIMs) are provided in each multisite trunked communications systems to permit the...
5530914 Method for determining when a radio leaves a radio talk group  
A method for determining when a radio leaves a radio talk group includes the step of notifying a radio(s), such as the initiator of the call (step 308), that one or more members of the talk group...
5504804 Providing individual subscriber services in a cellular mobile communications network  
In a cellular mobile communications network, routing decisions pertaining to supplementary services are made by a home location register (HLR). For calling subscriber supplementary services, such...
5418837 Method and apparatus for upgrading cellular mobile telephones  
An apparatus for upgrading a mobile telephone, the mobile telephone having a main memory the apparatus comprising a module reader provided in the mobile telephone and a software upgrading module...
5416770 Method and apparatus for establishing dispatch audio communication in a communication system  
Audio communication may be established between a plurality of communication units in a communication system that includes a dispatch switching center in the following manner. A first communication...
5392278 Distributed multisite system architecture  
A multisite network switch for a series of RF digital trunked radio transceivers and dispatcher consoles. Each transceiver covers a certain site area. The switch establishes audio communications...
5287354 Data protocol and monitoring system for RF trunking multisite switch global serial channel  
A multisite network switch for a series of RF digital trunked radio transceivers and dispatcher consoles. Each transceiver covers a certain site area. The switch establishes audio communications...
Matches 1 - 27 out of 27