ClassID:

232750

H04W84/08 - page 2 - CPC Classification

Classification description:

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

Recent Application in this class:
#301
20070273790
2007-11-29

Television apparatus

#302
20070270104
2007-11-22

Method for a session initiation protocol push-to-talk terminal to indicate answer operating mode to an internet protocol push-to-talk network server

#303
20070266077
2007-11-15

PRESENCE AND PREFERENCE-ENABLED PUSH TO TALK TELEPHONY SYSTEM

#304
20070254645
2007-11-01

Method and apparatus of avoiding audio truncation in trunked systems

#305
20070253398
2007-11-01

Method of carrier type preemption

#306
20070232295
2007-10-04

Adaptive buffering to reduce audio truncation

#307
20070232242
2007-10-04

Push-to-talk event triggered location operation in a wireless communication device

#308
20070225025
2007-09-27

Communication system, control device, control method, program, and recording medium

#309
20070224976
2007-09-27

PoC system and method of PoC communication

#310
20070220005
2007-09-20

Servers and Methods for Controlling Group Management

#311
20070217347
2007-09-20

Method and Devices for Providing a Push-to-Talk-Connection Between at Least Two User Terminals in a Communications Network

#312
20070202908
2007-08-30

Method and system for providing interoperable communications with dynamic event area allocation

#313
20070202905
2007-08-30

Method for providing enhanced floor control for group calls between a dispatch communications network and a cellular telephone communications network

#314
20070200915
2007-08-30

Providing push to all (PTA) service

#315
20070197250
2007-08-23

System and method for creating an ad hoc group in a push-to-talk system

#316
20070197249
2007-08-23

Apparatus and method for selectively initiating a data call for a group communication in wireless communication networks

#317
20070197248
2007-08-23

System and method for multiple simultaneous communication groups in a wireless system

#318
20070197198
2007-08-23

Push-to-all (PTA) service system and method of providing additional information

#319
20070183372
2007-08-09

Accelerated establishment of a connection between a number of mobile radio users

#320
20070162588
2007-07-12

Method and system for adding group member

#321
20070160214
2007-07-12

Secure transmission system for a digital trunked radio system

#322
20070155346
2007-07-05

Transcoding method in a mobile communications system

#323
20070153680
2007-07-05

Participants network

#324
20070140115
2007-06-21

Method 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

#325
20070133526
2007-06-14

Remote access communication system and control method thereof

#326
20070117552
2007-05-24

Push to talk over cellular having productive use of dead time and inclusion of diverse participants

#327
20070105578
2007-05-10

Method and system for providing a push-to-talk communication session using a control endpoint

#328
20070105551
2007-05-10

Trunking system control method

#329
20070077919
2007-04-05

Voice tagging of automated menu location

#330
20070060182
2007-03-15

Method of uplink preemption by users in a trunking group

#331
20070058579
2007-03-15

Method for processing calls from multiple communication networks and equipment thereof

#332
20070058573
2007-03-15

Method for allocating a communication right, communication conference session server and communication conference session server arrangement

#333
20070054687
2007-03-08

Device and method for sending information on push-to-talk groups

#334
20070049312
2007-03-01

Rapid push-to-talk call setup method and apparatus

#335
20070046512
2007-03-01

Data conversion system

#336
20070045550
2007-03-01

Miniature camera module with lens containing image sensor

#337
20070037599
2007-02-15

Broadcast dispatch chatroom

#338
20070037596
2007-02-15

Method and system for providing interoperable communications with location information

#339
20070021133
2007-01-25

Media-specific floor control for push-to-X communication

#340
20070019595
2007-01-25

Mobile communications terminal for controlling user's floor and method thereof

#341
20070008960
2007-01-11

Method and system for implementing a push-to-talk service in a mobile radio communication network of the GSM-type

#342
20070005854
2007-01-04

Signal initiator and method for on-demand communication

#343
20070003051
2007-01-04

System, network entity, terminal, method, and computer program product for presence publication

#344
20070002859
2007-01-04

Methods and apparatus for transmitting group communication signals

#345
20070002763
2007-01-04

Apparatus and method for peer-to-peer link monitoring of a wireless network with centralized control

#346
20060288277
2006-12-21

Communication apparatus and display method

#347
20060281481
2006-12-14

Communication control server, communication terminal and communication control method

#348
20060276200
2006-12-07

Mobile and wireless network architecture for law enforcement

#349
20060270362
2006-11-30

Method for PoC server to handle PoC caller preferences

#350
20060269012
2006-11-30

Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data

#351
20060265451
2006-11-23

Group communication system, server apparatus and floor control method

#352
20060262800
2006-11-23

Multimode land mobile radio

#353
20060262771
2006-11-23

System providing land mobile radio content using a cellular data network

#354
20060258336
2006-11-16

Apparatus an method to store and forward voicemail and messages in a two way radio

#355
20060256713
2006-11-16

System and method for achieving voice-activated radio broadcasting over IP networks

#356
20060252441
2006-11-09

System and method for programming an inactivity timer

#357
20060240855
2006-10-26

Systems and methods for updating presence in a mobile communication network

#358
20060234748
2006-10-19

Method for performing TRS communication in a mobile communication terminal

#359
20060234746
2006-10-19

Enabling a participant of a communication session to initiate a communication according to another communication service

#360
20060234745
2006-10-19

Method and system for collecting opinions of push-to-talk over cellular participants in push-to-talk over cellular network

#361
20060230168
2006-10-12

Method and system for establishing ad-hoc session in push-to-talk over cellular network

#362
20060223568
2006-10-05

System and method for initiating and conducting polite communications

#363
20060223562
2006-10-05

Method and apparatus for indicating an expected level of quality in a private push to talk (PTT) network

#364
20060221924
2006-10-05

Mobile communications terminal for transmitting data frames in wireless lan and method thereof

#365
20060221912
2006-10-05

Radio gateway system and method for interfacing a radio system and an IP network

#366
20060212903
2006-09-21

Moving picture processing device, information processing device, and program thereof

#367
20060211450
2006-09-21

Method and apparatus for controlling push-to-talk functions of a mobile communication unit from a unit circuit card

#368
20060205416
2006-09-14

Push-to-locate wireless communication device and method of use

#369
20060192894
2006-08-31

Moving picture processing device, information processing device, and program thereof

#370
20060189340
2006-08-24

Method and system for guaranteeing seamless session when replacing PoC terminal in PoC system

#371
20060189305
2006-08-24

Telephone used in a telephone system for transmitting data from an authorized telephone with speech authority to an unauthorized telephone without speech authority

#372
20060183491
2006-08-17

Reducing size of messages over the cellular control channel

#373
20060182246
2006-08-17

Maintenance information communication terminal, image forming apparatus provided with same, maintenance information management host, and communication method

#374
20060181631
2006-08-17

Moving picture processing device, information processing device, and program thereof

#375
20060178161
2006-08-10

Method and system for automatically updating user information in a push-to-talk system

#376
20060176845
2006-08-10

User equipment-based resource management method and system

#377
20060172755
2006-08-03

System and method for push-to-talk image communications in a mobile communication terminal

#378
20060172754
2006-08-03

Method and system for servicing full duplex call in push-to-talk over cellular

#379
20060172752
2006-08-03

Method and apparatus for providing talk permit notification for a PTT call

#380
20060172728
2006-08-03

Method for communication between cellular phones

#381
20060171528
2006-08-03

Speech communication system and talker right reservation method

#382
20060171389
2006-08-03

Half-duplex radio communication method, program and system thereof

#383
20060171351
2006-08-03

Method and apparatus for including a recording device in a push-to-talk over cellular communication session

#384
20060160545
2006-07-20

Methods and apparatus for identifying asset location in communication networks

#385
20060159265
2006-07-20

Communications system and method for transmitting voice and/or data

#386
20060154681
2006-07-13

Method and system for controlling talk time for PoC user

#387
20060148497
2006-07-06

Methods for setting up dispatch calls

#388
20060142036
2006-06-29

Handling talk burst denials in group communication system supporting PTT service

#389
20060140600
2006-06-29

Image sensing apparatus with camera shake correction function

#390
20060140173
2006-06-29

Sustained VOIP call logs using PoC contact lists

#391
20060135192
2006-06-22

Monitoring availability of selective call radios in a half-duplex radio communication system

#392
20060125690
2006-06-15

Methods and apparatus for identifying asset location in communication networks

#393
20060121888
2006-06-08

System and method for delay reduction via automatic target packet transmission

#394
20060116149
2006-06-01

System and method for efficient push-to-talk communications

#395
20060114315
2006-06-01

Mixed media telecommunication call manager

#396
20060111117
2006-05-25

Communication system with controlled talk around mode

#397
20060105793
2006-05-18

Broadcast message services for communication devices engaged in push-to-talk communication

#398
20060092895
2006-05-04

Method for restricting push-to service

#399
20060088065
2006-04-27

Method of scheduling data and signaling packets for push-to-talk over cellular networks

#400
20060087973
2006-04-27

Delay timers for managing internal state changes and messages in user equipment for real-time multimedia applications

#401
20060084442
2006-04-20

Method and apparatus for reducing communication latency in a wireless group call

#402
20060079260
2006-04-13

Ad-hoc dispatch chatroom

#403
20060073843
2006-04-06

Content formatting and device configuration in group communication sessions

#404
20060072517
2006-04-06

System and method for dispatch roaming registration

#405
20060067502
2006-03-30

Provision of group services in a telecommunications network

#406
20060063551
2006-03-23

System and method for conducting a dispatch multi-party call and sidebar session

#407
20060063549
2006-03-23

Architecture to facilitate the monetization of disparate, inter-worked pushed to talk technologies

#408
20060058068
2006-03-16

Wireless communication system having a signaling gateway serving as an intermediary between a dispatch call controller and a base station

#409
20060058007
2006-03-16

Architecture for facilitating group sessions across dispatch operators

#410
20060056635
2006-03-16

Communication system and method of call group management therefor

#411
20060056440
2006-03-16

Managing conference communication in a communication system

#412
20060052126
2006-03-09

Push-to-talk signaling and media inter-working architecture

#413
20060050718
2006-03-09

Group communication signal methods and apparatus

#414
20060047820
2006-03-02

System and method for monitoring simultaneous PoC sessions

#415
20060046697
2006-03-02

Methods for enhanced communication between a plurality of communication systems

#416
20060040690
2006-02-23

Method of providing PoC service in mobile communication system

#417
20060040688
2006-02-23

Assignment of token to PTT communications

#418
20060040685
2006-02-23

Optimizing talk burst control process in a PTT communication network

#419
20060035659
2006-02-16

Method for PTT service in the push to talk portable terminal

#420
20060035657
2006-02-16

Providing talk burst authority in group communication system supporting PTT service

#421
20060030348
2006-02-09

Wireless communication device and network controller for affiliation with associated groups and method thereof

#422
20060030347
2006-02-09

Virtual push to talk (PTT) and push to share (PTS) for wireless communications systems

#423
20060030344
2006-02-09

Talk burst allocation in a PTT communication network

#424
20060030331
2006-02-09

Maintenance of channel usage in a wireless communication system

#425
20060030319
2006-02-09

Method and system for selecting an access network in a heterogeneous network environment

#426
20060025168
2006-02-02

Synchronizing push to talk service in wireless communication system

#427
20060019690
2006-01-26

System and method of providing group dispatch calling between users in distinct geographical areas

#428
20060019654
2006-01-26

Press-to-connect for wireless communications systems

#429
20060014555
2006-01-19

Method and apparatus for determining whether a talkgroup is occupied

#430
20060014540
2006-01-19

Method of call routing in a public/private communication system

#431
20060014498
2006-01-19

Transmit channel policing system, device, and method

#432
20060009254
2006-01-12

Radio communication system

#433
20060008078
2006-01-12

Floor control management in speakerphone communication sessions

#434
20060003784
2006-01-05

Trunking and push-to-talk mechanisms for WCDMA wireless communications

#435
20060002478
2006-01-05

Coding image signal

#436
20060002328
2006-01-05

Push-to talk over Ad-Hoc networks

#437
20050289432
2005-12-29

Read enable generator for a turbo decoder deinterleaved symbol memory

#438
20050289246
2005-12-29

Interpreting I/O operation requests from pageable guests without host intervention

#439
20050277383
2005-12-15

Trunking tone remote adapter and method for using the same

#440
20050276268
2005-12-15

Communication system

#441
20050266861
2005-12-01

Apparatus and method for reducing call set-up time for time-sensitive applications in a wireless network

#442
20050259675
2005-11-24

Method of communication

#443
20050255871
2005-11-17

Method and system for interrupting a dispatch call

#444
20050255811
2005-11-17

Method for a session initiation protocol push-to-talk terminal to indicate answer operating mode to an internet protocol push-to-talk network server

#445
20050254468
2005-11-17

Apparatus for using a modified queue to facilitate group communications

#446
20050250523
2005-11-10

Push-to-talk reverse channel establishment

#447
20050245250
2005-11-03

Device, system and method for detection of communication disconnection

#448
20050242860
2005-11-03

FFT-based multichannel video receiver

#449
20050239487
2005-10-27

Push-to-talk mobile communication terminals

#450
20050239485
2005-10-27

Dispatch service architecture framework

#451
20050238040
2005-10-27

Distributed trunking mechanism for VHF networking

#452
20050233776
2005-10-20

Method and apparatus for dynamic group address creation

#453
20050227622
2005-10-13

Continuous dual tone controlled squelch system

#454
20050221851
2005-10-06

Conversion of calls from an ad hoc communication network

#455
20050219564
2005-10-06

Image forming device, pattern formation method and storage medium storing its program

#456
20050218294
2005-10-06

Image sensor

#457
20050202806
2005-09-15

AUTOMATIC CONFERENCE CALL REPLAY

#458
20050197146
2005-09-08

Method, system, and device for provisioned talkgroup identifier discovery

#459
20050186970
2005-08-25

Method of PoC instant temporary group chat based on presence and location

#460
20050186955
2005-08-25

Mobile communications systems, methods and terminals

#461
20050169223
2005-08-04

Method and apparatus for facilitating a PTT session initiation using an IP-based protocol

#462
20050165923
2005-07-28

Transmitter device and relay device for performing data transmission control

#463
20050164727
2005-07-28

Control station, a wireless communication system and a wireless communication method

#464
20050164726
2005-07-28

System and method of providing push-to-talk service in a mobile communication system

#465
20050153744
2005-07-14

System and method for establishing communication services between different users

#466
20050140667
2005-06-30

Connection device capable of converting a pixel clock to a character clock

#467
20050138462
2005-06-23

System and method for managing protocol network failures in a cluster system

#468
20050128216
2005-06-16

Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method

#469
20050128202
2005-06-16

GRAPHICS CARD FOR SMOOTHING THE PLAYING OF VIDEO

#470
20050128073
2005-06-16

Commercial communication system

#471
20050124351
2005-06-09

Method and apparatus for establishing direct mobile to mobile communication between cellular mobile terminals

#472
20050122937
2005-06-09

Method and apparatus reducing PTT call setup delays

#473
20050094625
2005-05-05

Communications

#474
20050090242
2005-04-28

Method and apparatus for reducing communication latency in a wireless group call

#475
20050079889
2005-04-14

Cellular modem processing

#476
20050079885
2005-04-14

Four pole stereo headset with push to talk capability in a duplex radio

#477
20050078627
2005-04-14

Call setup method for providing push-to-talk service in a cellular mobile telecommunication system

#478
20050066101
2005-03-24

Method and device for connecting sensors or actuators to a bus system

#479
20050055551
2005-03-10

Interactive protocol for remote management of access control to scrambled data

#480
20050053208
2005-03-10

Process, arrangement, devices for seizure of a shared telephone line

#481
20050050202
2005-03-03

Application instance level workload distribution affinities

#482
20050047362
2005-03-03

System and method for transmitting caller information from a source to a destination

#483
20050046600
2005-03-03

Robust system for transmitting and receiving map data

#484
20050043024
2005-02-24

Mobile station, mobile communication system, and program

#485
20050037794
2005-02-17

Communications feature for dispatch systems

#486
20050026598
2005-02-03

System and method for notifying callers

#487
20050020294
2005-01-27

System for transmitting information in a digital radio network system

#488
20050009550
2005-01-13

Method and apparatus for using a modified queue to facilitate group communications

#489
20050009535
2005-01-13

Apparatus, and associated method, for selectably extending a time period in which a mobile station is operated in a non-slotted mode

#490
20050002345
2005-01-06

Method and system for performing a fast call setup in a wireless telecommunication system

#491
16678434
2020-09-01

Override of ad hoc talkgroup auto-dropping

#492
16196762
2019-09-17

Intuitive remote land mobile radio talk-group assignment

#493
16173345
2020-02-04

Soft preemption for a push-to-talk group

#494
16172933
2019-12-03

Contact list for the internet of things

#495
15873019
2019-04-02

Transmission of group video synchronization to other radios

#496
14814595
2017-12-19

System and method for managing communications

#497
13517813
2016-08-30

Interface selection for quality of service enforcement