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7366535 Push-to-talk mobile communication terminals  
Mobile communication terminals comprising a processor unit, a microphone, and a sound processing module for processing sounds captured by the microphone. The processor unit is configured to operate...
7366532 Group call management through receive/transmit synchronization  
A method of communicating with a transceiver ( 120 ). In one arrangement, the method of communicating with the transceiver can be performed in a systemless group environment. Synchronization inform...
7359731 Architecture to facilitate interoperability and inter-working of push to talk technologies  
An inter-working network includes a plurality of interfaces for facilitating communications with a plurality of dispatch networks, a proxy, a signaling bridge, a signaling controller and a signalin...
7359726 Push-to-talk signaling and media inter-working architecture  
An inter-working network for facilitating dispatch communications between subscribers of disparate dispatch networks includes core inter-working components and regional inter-working components. Th...
7359724 Method and system for location based group formation  
In one embodiment, a method and system allows organization terminal ( 402 ) to define a group session based upon location and other criteria associated with participating terminals ( 410 ). Locatio...
7353038 Method and apparatus for indicating an expected level of quality in a private push to talk (PTT) network  
A method and apparatus for indicating an expected level of quality in a private Push To Talk (PTT) network are disclosed. The method and apparatus receive at least one of an affiliation message and...
7353036 Push-to-talk reverse channel establishment  
A push-to-talk (PTT) radio resource controller ( 441 ) establishes a “reverse” channel using a forward channel resource request module ( 461 ), a reverse channel resource request module ( 463 )...
7349711 Method of counting the number of multimedia broadcasting multicast service subscribers  
The present invention discloses a method of counting the number of MBMS subscribers, comprising: setting different types of notifications, each of which is designed to instruct UEs in at least one ...
7346321 Apparatus for associating access points with stations using bid techniques  
The performance and ease of management of wireless communications environments is improved by a mechanism that enables access points (APs) to perform automatic channel selection. A wireless network...
7343163 Adaptive channel access scheme  
An adaptive channel access scheme allows for statistics that are collected to be used to group radio users into subgroups according to the desired statistic. The subgroups then utilize channels, se...
7343162 Wireless communication method, wireless communication apparatus, and wireless communication system  
In a wireless communication system having a wireless base station, wireless terminal stations belonging to a first group which performs wireless communication while sharing different frequency chan...
7336776 Method of establishing a multi-user call in a communication system  
The present invention provides a method for establishing a multi-user call in a communication system. The communication system receives a call request to establish a group call with a shared group ...
7333827 Restricted dissemination of topology information in a communication network  
A communication network comprises a plurality of nodes which exchange topology information. Some of the nodes are of a conventional type, which propagate topology information in an unrestricted man...
7330733 Method and apparatus for reducing paging-related delays for anticipated target mobile stations  
The need to decrease paging-related delays in wireless systems ( 100 ) is addressed by embodiments herein. A RAN ( 201 ) anticipates that an MS ( 120 ) is likely to be a target of communication not...
7328035 Method and apparatus for reducing paging-related delays  
In general, paging-related delays are reduced by empowering an idle mobile ( 120 ) to initiate a transition to semi-dormant, unslotted mode, and/or RSCI modes, based on triggers ( 304 ) known to th...
7328020 Mobile-service switching center, base station controller, multicall communication mode supporting terminal and method of changing number of calls in multicall communication mode  
A method and apparatus of changing the number of calls in a multicall communication mode including detecting an occurrence of handover, transmitting a special message having inserted therein call-n...
7310517 Techniques for archiving audio information communicated between members of a group  
Techniques for archiving audio information communicated between members of a group using an audio communication system such as a point-to-multipoint audio communication system. The archived audio i...
7308081 Methods and systems for telephony call completion  
The present invention is directed to processing calls to busy telecommunications lines. In one embodiment, the presence of a subscriber accessing a computer network over a first telephone line via ...
7305237 Hole-filling channel access  
Channel access techniques are provided for use in a high throughput wireless network that utilizes multiple wireless channels within a single service set.
7298713 Method and system for reducing message instances  
A method and system for transmitting data with reduced message instances is disclosed. A wireless message network uses destination identifiers and message pointers to direct message data to multipl...
7295854 Method, system and a network element for controlling point-to-multipoint transmission in a mobile communication system  
A method, a system and a network element for controlling the transmission of a message to be transmitted point-to-multipoint in a mobile communication system. In order to take the topicality of the...
7292872 Mobile phone push-to-talk voice activation  
A voice activated method of establishing a Push-to-Talk (PTT) connection from a mobile phone is disclosed. The mobile phone user presses and holds a PTT key on the mobile phone. The user then speak...
7289816 USSD-facilitated call setup for push to talk over cellular (PoC) services  
A method of setting up a Push-To-Talk-over-Cellular (PoC) call between a calling mobile station (MS) and a called MS in a cellular communications network. In GSM/GPRS networks, the method decreases...
7283835 Method of providing extended group call service  
A method of providing a group call service in a radio network is provided. A BS, which does not cover a GCA but is located in a radio network near to the GCA, generates extended group call service ...
7283833 Push to talk system  
To provide a PTT system that includes a plurality of PTT-capable mobile phones each including a display unit, and a server which mediates a PTT call between mobile phones out of the plurality of mo...
7280807 Initiator device capable of two-way half-duplex communication with multiple recipient devices  
An initiator transceiver for operating in a two-way half-duplex communication mode with multiple recipient transceivers. The transceivers includes a body having a cavity and a control device, posit...
7280502 Method for a session initiation protocol push-to-talk terminal to indicate answer operating mode to an internet protocol push-to-talk network server  
A push-to-talk communication device including an operating answer mode indicates that operating answer mode to a Session Initiation Protocol/Internet Protocol based push-to-talk network server. The...
7277720 Apparatus, and associated method, for facilitating formation of an apparent push-to-talk communication connection  
Apparatus, and an associated method, for facilitating formation of an apparent push-to-talk communication session connection at a mobile station operable in a conventional cellular communication sy...
7272407 Display on wireless mobile device  
In one embodiment, a method is provided for a wireless mobile device where data is received over a wireless data connection indicative of presence of compatible components and a selection of the co...
7269435 System and method for facilitating communications in a network  
A system and method for facilitating communications amongst a plurality of mobile units in a network establishes a plurality of underlay communication cells ( 201, 220, 222 ). At least two of the p...
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 communi...
7266836 Tune alerts for remotely adjusting a tuner  
Methods and systems are provided for alerting users of audio and/or video broadcasts. A user of a first media player may create a tune alert message and transmit the message to a second media playe...
7260362 Method and apparatus for establishing ad hoc groups in a wireless communication network  
During formation of an ad hoc group, the transmit power level of a user device within a wireless communication network is reduced. Potential group members are thus identified within an immediate vi...
7257420 Position information system and dispatch support system  
A position information system ( 101 ) obtains position information (latitude and longitude) of a dispatch location from a telephone number/address DB ( 113 ) or an address/position information DB (...
7251495 Command based group SMS with mobile message receiver and server  
Disclosed is a unique system and method that facilitate group communication using SMS text messaging and a plurality of SMS based commands. More specifically, the system and method make use of mobi...
7245940 Push to talk voice buffering systems and methods in wireless communication calls  
Systems and methods are provided for voice buffering for a VOVC PTT call. The buffering starts before the VOVC call is established.
7245933 Method and apparatus for multicasting in a wireless communication system  
In accordance with the preferred embodiment of the present invention all remote units ( 113–118 ) participating in a group call can actively transmit uplink communications to their respective bas...
7245932 Real time administration of shared communication plan arrangements  
A method and apparatus for providing real time updates of a database describing the features of individual terminals of a shared plan telecommunications group for communication sessions from and to...
7239882 Method and system for brokering frequencies to facilitate peer-to-peer communication  
A method and system for brokering frequencies for use in peer-to-peer communication sessions. A frequency broker receives session-participation messages from multiple parties wishing to communicate...
7231223 Push-to-talk call setup for a mobile packet data dispatch network  
A proactive speculation method decreases the call setup time for private calls ( 200 ) and selective dynamic group calls ( 300 ). In a push-to-talk dispatch network ( 40 ) an originating mobile uni...
7231208 User interface-technique for managing an active call  
A portable electronic device includes a housing, a processor supported by the housing, a memory coupled to the processor, and a communications transceiver coupled to the processor. The transceiver ...
7228145 Dropped call continuation  
A switching system adjunct ( 120 ) monitors a call between a calling and a called party and reestablishes the call when one of the parties has been or is being dropped. The reestablishment may be e...
7224992 Four pole stereo headset with push to talk capability in a duplex radio  
A stereo headset ( 104 ) with push-to-talk function can be interfaced with a wireless communication device ( 102 ) via a connector interface. The connector interface preferably includes a jack at t...
7218663 Communication system in which arbitrary number of communication apparatuses form group to communicate with each other, and the communication apparatus  
In a communication system having a plurality of communication apparatuses, an arbitrary number of communication apparatuses form a group, and group identification information for group communicatio...
7212833 Method of constructing radio network radio communication system, and radio communication apparatus  
A method of constructing a radio network that enables the user to select an arbitrary radio communication apparatus as a control station and the thus selected radio communication apparatus preferen...
7209763 System and method for conducting a dispatch multi-party call and sidebar session  
In an embodiment of a method of the present invention, the method includes the acts of establishing a dispatch multi-party call between a set of communication devices and establishing a sidebar com...
7209761 Method and system for protocol feature communication  
A protocol feature communication method and system is disclosed. The method defines a bit stream identifying each feature of a protocol version. Each bit of the bit stream is set in either a first ...
7206595 System and method of providing group dispatch calling between users in distinct geographical areas  
A dispatch communications system is disclosed that facilitates group dispatch communications respectively between subscriber units residing within a first geographical area, subscriber units residi...
7206594 Wireless communication chat room system and method  
A chat group system and method are provided that permit a wireless communications system based on an 802.11 protocol to implement an easy-to-use, multi-user, push-to-talk, instant communications fu...
7200415 Communications system having pre-defined calling group  
A communications system having a pre-defined calling group with a plurality of members is disclosed. A plurality of personal communication devices (PCDs) each have a system ID and a group ID, and e...

Matches 1 - 50 out of 261 1 2 3 4 5 6 >