232750 ⎘
Network topologies; Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]; Large scale networks; Deep hierarchical networks Trunked mobile radio systems
Television apparatus
#302Method for a session initiation protocol push-to-talk terminal to indicate answer operating mode to an internet protocol push-to-talk network server
#303PRESENCE AND PREFERENCE-ENABLED PUSH TO TALK TELEPHONY SYSTEM
#304Method and apparatus of avoiding audio truncation in trunked systems
#305Method of carrier type preemption
#306Adaptive buffering to reduce audio truncation
#307Push-to-talk event triggered location operation in a wireless communication device
#308Communication system, control device, control method, program, and recording medium
#309PoC system and method of PoC communication
#310Servers and Methods for Controlling Group Management
#311Method and Devices for Providing a Push-to-Talk-Connection Between at Least Two User Terminals in a Communications Network
#312Method and system for providing interoperable communications with dynamic event area allocation
#313Method for providing enhanced floor control for group calls between a dispatch communications network and a cellular telephone communications network
#314Providing push to all (PTA) service
#315System and method for creating an ad hoc group in a push-to-talk system
#316Apparatus and method for selectively initiating a data call for a group communication in wireless communication networks
#317System and method for multiple simultaneous communication groups in a wireless system
#318Push-to-all (PTA) service system and method of providing additional information
#319Accelerated establishment of a connection between a number of mobile radio users
#320Method and system for adding group member
#321Secure transmission system for a digital trunked radio system
#322Transcoding method in a mobile communications system
#323Participants network
#324Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network
#325Remote access communication system and control method thereof
#326Push to talk over cellular having productive use of dead time and inclusion of diverse participants
#327Method and system for providing a push-to-talk communication session using a control endpoint
#328Trunking system control method
#329Voice tagging of automated menu location
#330Method of uplink preemption by users in a trunking group
#331Method for processing calls from multiple communication networks and equipment thereof
#332Method for allocating a communication right, communication conference session server and communication conference session server arrangement
#333Device and method for sending information on push-to-talk groups
#334Rapid push-to-talk call setup method and apparatus
#335Data conversion system
#336Miniature camera module with lens containing image sensor
#337Broadcast dispatch chatroom
#338Method and system for providing interoperable communications with location information
#339Media-specific floor control for push-to-X communication
#340Mobile communications terminal for controlling user's floor and method thereof
#341Method and system for implementing a push-to-talk service in a mobile radio communication network of the GSM-type
#342Signal initiator and method for on-demand communication
#343System, network entity, terminal, method, and computer program product for presence publication
#344Methods and apparatus for transmitting group communication signals
#345Apparatus and method for peer-to-peer link monitoring of a wireless network with centralized control
#346Communication apparatus and display method
#347Communication control server, communication terminal and communication control method
#348Mobile and wireless network architecture for law enforcement
#349Method for PoC server to handle PoC caller preferences
#350Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
#351Group communication system, server apparatus and floor control method
#352Multimode land mobile radio
#353System providing land mobile radio content using a cellular data network
#354Apparatus an method to store and forward voicemail and messages in a two way radio
#355System and method for achieving voice-activated radio broadcasting over IP networks
#356System and method for programming an inactivity timer
#357Systems and methods for updating presence in a mobile communication network
#358Method for performing TRS communication in a mobile communication terminal
#359Enabling a participant of a communication session to initiate a communication according to another communication service
#360Method and system for collecting opinions of push-to-talk over cellular participants in push-to-talk over cellular network
#361Method and system for establishing ad-hoc session in push-to-talk over cellular network
#362System and method for initiating and conducting polite communications
#363Method and apparatus for indicating an expected level of quality in a private push to talk (PTT) network
#364Mobile communications terminal for transmitting data frames in wireless lan and method thereof
#365Radio gateway system and method for interfacing a radio system and an IP network
#366Moving picture processing device, information processing device, and program thereof
#367Method and apparatus for controlling push-to-talk functions of a mobile communication unit from a unit circuit card
#368Push-to-locate wireless communication device and method of use
#369Moving picture processing device, information processing device, and program thereof
#370Method and system for guaranteeing seamless session when replacing PoC terminal in PoC system
#371Telephone used in a telephone system for transmitting data from an authorized telephone with speech authority to an unauthorized telephone without speech authority
#372Reducing size of messages over the cellular control channel
#373Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host, and communication method
#374Moving picture processing device, information processing device, and program thereof
#375Method and system for automatically updating user information in a push-to-talk system
#376User equipment-based resource management method and system
#377System and method for push-to-talk image communications in a mobile communication terminal
#378Method and system for servicing full duplex call in push-to-talk over cellular
#379Method and apparatus for providing talk permit notification for a PTT call
#380Method for communication between cellular phones
#381Speech communication system and talker right reservation method
#382Half-duplex radio communication method, program and system thereof
#383Method and apparatus for including a recording device in a push-to-talk over cellular communication session
#384Methods and apparatus for identifying asset location in communication networks
#385Communications system and method for transmitting voice and/or data
#386Method and system for controlling talk time for PoC user
#387Methods for setting up dispatch calls
#388Handling talk burst denials in group communication system supporting PTT service
#389Image sensing apparatus with camera shake correction function
#390Sustained VOIP call logs using PoC contact lists
#391Monitoring availability of selective call radios in a half-duplex radio communication system
#392Methods and apparatus for identifying asset location in communication networks
#393System and method for delay reduction via automatic target packet transmission
#394System and method for efficient push-to-talk communications
#395Mixed media telecommunication call manager
#396Communication system with controlled talk around mode
#397Broadcast message services for communication devices engaged in push-to-talk communication
#398Method for restricting push-to service
#399Method of scheduling data and signaling packets for push-to-talk over cellular networks
#400Delay timers for managing internal state changes and messages in user equipment for real-time multimedia applications
#401Method and apparatus for reducing communication latency in a wireless group call
#402Ad-hoc dispatch chatroom
#403Content formatting and device configuration in group communication sessions
#404System and method for dispatch roaming registration
#405Provision of group services in a telecommunications network
#406System and method for conducting a dispatch multi-party call and sidebar session
#407Architecture to facilitate the monetization of disparate, inter-worked pushed to talk technologies
#408Wireless communication system having a signaling gateway serving as an intermediary between a dispatch call controller and a base station
#409Architecture for facilitating group sessions across dispatch operators
#410Communication system and method of call group management therefor
#411Managing conference communication in a communication system
#412Push-to-talk signaling and media inter-working architecture
#413Group communication signal methods and apparatus
#414System and method for monitoring simultaneous PoC sessions
#415Methods for enhanced communication between a plurality of communication systems
#416Method of providing PoC service in mobile communication system
#417Assignment of token to PTT communications
#418Optimizing talk burst control process in a PTT communication network
#419Method for PTT service in the push to talk portable terminal
#420Providing talk burst authority in group communication system supporting PTT service
#421Wireless communication device and network controller for affiliation with associated groups and method thereof
#422Virtual push to talk (PTT) and push to share (PTS) for wireless communications systems
#423Talk burst allocation in a PTT communication network
#424Maintenance of channel usage in a wireless communication system
#425Method and system for selecting an access network in a heterogeneous network environment
#426Synchronizing push to talk service in wireless communication system
#427System and method of providing group dispatch calling between users in distinct geographical areas
#428Press-to-connect for wireless communications systems
#429Method and apparatus for determining whether a talkgroup is occupied
#430Method of call routing in a public/private communication system
#431Transmit channel policing system, device, and method
#432Radio communication system
#433Floor control management in speakerphone communication sessions
#434Trunking and push-to-talk mechanisms for WCDMA wireless communications
#435Coding image signal
#436Push-to talk over Ad-Hoc networks
#437Read enable generator for a turbo decoder deinterleaved symbol memory
#438Interpreting I/O operation requests from pageable guests without host intervention
#439Trunking tone remote adapter and method for using the same
#440Communication system
#441Apparatus and method for reducing call set-up time for time-sensitive applications in a wireless network
#442Method of communication
#443Method and system for interrupting a dispatch call
#444Method for a session initiation protocol push-to-talk terminal to indicate answer operating mode to an internet protocol push-to-talk network server
#445Apparatus for using a modified queue to facilitate group communications
#446Push-to-talk reverse channel establishment
#447Device, system and method for detection of communication disconnection
#448FFT-based multichannel video receiver
#449Push-to-talk mobile communication terminals
#450Dispatch service architecture framework
#451Distributed trunking mechanism for VHF networking
#452Method and apparatus for dynamic group address creation
#453Continuous dual tone controlled squelch system
#454Conversion of calls from an ad hoc communication network
#455Image forming device, pattern formation method and storage medium storing its program
#456Image sensor
#457AUTOMATIC CONFERENCE CALL REPLAY
#458Method, system, and device for provisioned talkgroup identifier discovery
#459Method of PoC instant temporary group chat based on presence and location
#460Mobile communications systems, methods and terminals
#461Method and apparatus for facilitating a PTT session initiation using an IP-based protocol
#462Transmitter device and relay device for performing data transmission control
#463Control station, a wireless communication system and a wireless communication method
#464System and method of providing push-to-talk service in a mobile communication system
#465System and method for establishing communication services between different users
#466Connection device capable of converting a pixel clock to a character clock
#467System and method for managing protocol network failures in a cluster system
#468Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method
#469GRAPHICS CARD FOR SMOOTHING THE PLAYING OF VIDEO
#470Commercial communication system
#471Method and apparatus for establishing direct mobile to mobile communication between cellular mobile terminals
#472Method and apparatus reducing PTT call setup delays
#473Communications
#474Method and apparatus for reducing communication latency in a wireless group call
#475Cellular modem processing
#476Four pole stereo headset with push to talk capability in a duplex radio
#477Call setup method for providing push-to-talk service in a cellular mobile telecommunication system
#478Method and device for connecting sensors or actuators to a bus system
#479Interactive protocol for remote management of access control to scrambled data
#480Process, arrangement, devices for seizure of a shared telephone line
#481Application instance level workload distribution affinities
#482System and method for transmitting caller information from a source to a destination
#483Robust system for transmitting and receiving map data
#484Mobile station, mobile communication system, and program
#485Communications feature for dispatch systems
#486System and method for notifying callers
#487System for transmitting information in a digital radio network system
#488Method and apparatus for using a modified queue to facilitate group communications
#489Apparatus, and associated method, for selectably extending a time period in which a mobile station is operated in a non-slotted mode
#490Method and system for performing a fast call setup in a wireless telecommunication system
#491Override of ad hoc talkgroup auto-dropping
#492Intuitive remote land mobile radio talk-group assignment
#493Soft preemption for a push-to-talk group
#494Contact list for the internet of things
#495Transmission of group video synchronization to other radios
#496System and method for managing communications
#497Interface selection for quality of service enforcement