Matches 1 - 50 out of 59 1 2 >
Match Document Document Title
7386115 Combined caller and agent endpoint manager  
A method and apparatus are provided for supporting client calls within a private computer network of an organization having a plurality of agents. The method includes the steps of detecting receipt...
7269434 Wireless communication system with group registration function  
A communication system is provided with a group registration function, which is capable of setting a group mode with the reduced number of operation, and simply selecting one of full duplex...
7139585 Wireless communication apparatus and system  
When an incoming call to a wireless communication apparatus is detected, a wireless control apparatus uses a wireless link, which has been established by previous communication, to perform...
6950653 Scanning tone remote adapter for land-mobile radio dispatch for use with dispersed dispatch stations  
A land mobile radio dispatch system is provided, which comprises a radio, one or more remote dispatch devices, and a scanning tone remote adapter connected to the radio and the remote dispatch...
6922547 Methods and apparatus for supporting group communications  
Group communications methods and apparatus are described. In particular, methods for granting a mobile device access to a communications resource, e.g., the right to transmit data, associated with...
6898436 Communication device for joining a user to a group call in a group communication network  
A method and apparatus for joining a user to a call in a group communication network provides for receiving an indication from a user who wishes to initiate a group call and sending a request to a...
6804529 Trunked radio repeater communication system including home channel aliasing and call grouping  
A system for channel assignment in a trunked transmission communication system including a plurality of subscribers. A plurality of subscribers is provided home channel assignment to reduce...
6801754 Intelligent repeater and method to provide increased signaling  
A system and method are disclosed to provide increased signaling in a communications system. A repeater system is operable to receive and store operating characteristic data from a communications...
6735446 Mobile communication system and a control unit of the system for efficient use of vacant channels in one-way communication  
In a mobile communication system, a central control unit assigns pairs of upstream and downstream channels to mobile station units located in a radio zone of a base station unit to carry out a...
6529486 Trunked radio repeater communication system  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for...
6516200 Controlling communications terminal response to group call page based on group call characteristics  
A communications terminal, such as a wireless mobile terminal, is supplied with an indication of group call characteristics for incoming group calls so as to distinguish such calls from other types...
6480723 Communications interface adapter  
A communications interface adapter facilitates both wired and wireless communications between crew members of a vehicle having a wired intercom and has an intercom communications circuit having an...
6477387 Method and apparatus for automatically grouping communication units in a communication system  
A display-based terminal ( 101 ) employs a method and apparatus for dynamically grouping ( 719, 723, 819, 823 ) communication units in a communication system. The terminal displays a map ( 703, 803...
6405051 Method and apparatus for using a B-answer signal to prevent a voice announcement in a group call  
A technique for preventing voice announcements in a group call is provided. If any voice activity precedes a B-answer signal on a call to a party, that party is not added to the group call. This...
6374115 Method and apparatus for trunked radio repeater communications with backwards compatibility  
A trunked radio repeater communication system capable of use in a networked system includes a plurality of distributive switches and a unique signaling protocol and a switching protocol for...
EP1189365A2 Communication system with group registration function  
The invention provides a communication system with a group registration function, which is capable of setting a group mode with the reduced number of operation, and simply selecting one of full...
6327477 Wireless communication apparatus and system  
When an incoming call to a wireless communication apparatus is detected, a wireless control apparatus uses a wireless link, which has been established by previous communication, to perform...
6304559 Wireless communications protocol  
A method for implementing a timed division multiple access protocol for digital communications between a radio transceiver and a repeater or another radio transceiver has the steps of dividing a...
6285857 Multi-hop telecommunications system and method  
Free-space, line-of-sight, electro-magnetic communication (i.e., via light or microwaves) is employed to provide a wide range of communication services to geographically scattered users. A relay...
EP0403584B2 PROCESS FOR ESTABLISHING A CONNECTION BETWEEN A FIXED AND SEVERAL MOBILE ELEMENTS IN A CORDLESS TELEPHONE SYSTEM  
Abstract not available for EP0403584 Abstract of corresponding document: WO8911765 A cordless telephone has several mobile elements (MTn) allocated to a fixed element (FT). In order to establish a...
6246873 Satellite communication conference system for use in a satellite communication system  
6243573 Personal communications system  
A personal communications system has a plurality of personal communications units defining a network. The personal communications units are configured to send and receive digital communications...
6223062 Communications interface adapter  
A communications interface adapter facilitates both wired and wireless communications between crew members of a vehicle having a wired intercom and has an intercom communications circuit having an...
6169730 Wireless communications protocol  
A method for implementing a time division multiple access protocol for digital communications between a radio transceiver and a repeater or another radio transceiver has the steps of dividing a...
6154645 Method and apparatus for using a MS tone to prevent a voice announcement in a group call  
A technique for preventing voice announcements in a group call is provided. A mobile station is configured to generate an MS tone in response to receiving an individual call from a group...
6141426 Voice operated switch for use in high noise environments  
A method for using a voice operated switch in a changing high noise environment involves determining a relative energy of the background noise, calculating VOX, voice, and delta thresholds, and...
6041243 Personal communications unit  
A personal communications unit facilitates both wired and wireless communications with a wired intercom. The personal communications unit has a headset, an intercom connection cable placeable in...
D421002 Personal communications unit handset  
D419160 Personal communications unit docking station  
5987318 Call conference within a home zone  
A first mobile station is correlated with a second mobile station as a permitted home zone party. The second mobile station is in speech connection with another telecommunications party. In the...
5970417 Method for maintaining a group call  
A method for maintaining a group call in a mobile radio system, and a mobile station in a mobile radio system, wherein the geographical area covered by the system is divided into radio cells. Each...
RE36309 Handoff method for cellular digital mobile communication system and mobile station  
According to a handoff method for a cellular digital mobile communication system, a communication test of a new channel is performed by utilizing a free time of a time-divisionally multiplexed...
5907794 Controlling a subscriber station on a direct mode channel  
The present invention relates to a method and radio system for controlling a subscriber station (MS1) operating on a direct mode channel in a radio system, said radio system comprising a radio...
5815799 Priority system for a wide area transmission trunked communication system  
A method and apparatus for providing priority access for users in a transmission trunked communication system, including a plurality of distributive radio network terminal (RNT) switches and a...
5765112 Low cost wide area network for data communication using outbound message specifying inbound message time and frequency  
A two-way communications system that provides ubiquitous wireless data communication services, such as throughout the continental United States, by using a network of only a few, widely distributed...
5752080 Cable terminal unit using bit set for selectively enabling a plurality of hardware functions with some functions having a plurality of selectively enabled hardware functions  
A terminal unit for use within a digital cable system having a head end control unit and a cable and related method for upgrading hardware functions. According to a preferred embodiment, the...
5734963 Remote initiated messaging apparatus and method in a two way wireless data communications network  
A two-way communications system provides ubiquitous wireless data communication services, such as throughout the continental United States, by using a network of only a few, widely distributed...
5640442 Technique for determining propagating and clear frequency to be used in wide area wireless data communications network  
A two-way communications system that provides ubiquitous wireless data communication services, such as throughout the continental United States, by using a network of only a few, widely distributed...
5613196 Method and apparatus for a distributive wide area network for a land mobile transmission trunked communication system  
A land mobile transmission trunked communication system is provided with a unique switching protocol arrangement among repeaters that are networked to one or more external communication networks....
EP0555441B1 METHOD FOR SETTING UP A GROUP CALL IN A CELLULAR RADIO SYSTEM  
Abstract not available
5589844 Automatic antenna tuner for low-cost mobile radio  
An automatic antenna tuner which conjugately matches the impedance of an electrically small antenna to the impedance of a transmit amplifier output stage by using a pi-type impedance matching...
5548802 Method and apparatus for a remote network switch for a land mobile transmission trunked communication system  
A method and apparatus for distributively interconnecting a plurality of land mobile trunked transmission communication systems into a wide area network includes a plurality of distributive radio...
5465391 Method for setting up a group call in a cellular radio system  
The invention relates to a method for setting up a group call in a cellular radio system. The method comprises allocating a traffic channel to the group call and transmitting a group call paging...
5440759 Modular networking switch system for a distributive wide area transmission trunked communication system  
A modular networking switch system for a land mobile transmission trunked communication system provides transmission trunked communications with a plurality of transceivers and networks the...
5369783 Dynamic regrouping in a trunked radio communications systems  
In a trunked radio frequency communications system, a dynamic regrouping scheme includes an effective user interface, automatic support of multi-site systems, the capability to program individual...
EP0403584B1 PROCESS FOR ESTABLISHING A CONNECTION BETWEEN A FIXED AND SEVERAL MOBILE ELEMENTS IN A CORDLESS TELEPHONE SYSTEM  
Abstract not available for EP0403584 Abstract of corresponding document: WO8911765 A cordless telephone has several mobile elements (MTn) allocated to a fixed element (FT). In order to establish a...
5229989 Method and apparatus for processing digital signals  
The present invention discloses a communication system network that comprises a plurality of communication systems and a processing multiplexer. The communication systems, which may be either...
5210746 Communication system network having communication system fallback operation  
In a communication system network that comprises a plurality of communication systems and a processing multiplexer, each of the plurality of communication systems is equipped with fallback...
5203015 Automatic channel selection in a mobile radio for telephone interconnect  
A mobile radio programmed to analyze idle channel assignments issued by a repeater station and select different channels, if appropriate, which are especially adapted for communicating with other...
5175727 Communication system network interconnecting a plurality of communication systems  
The present invention discloses a communication system network that comprises a plurality of communication systems and a processing multiplexer. The communication systems, which may be either...
Matches 1 - 50 out of 59 1 2 >