FI20002770A0 - IP-pohjainen puheensiirto matkaviestinjärjestelmässä - Google Patents
IP-pohjainen puheensiirto matkaviestinjärjestelmässäInfo
- Publication number
- FI20002770A0 FI20002770A0 FI20002770A FI20002770A FI20002770A0 FI 20002770 A0 FI20002770 A0 FI 20002770A0 FI 20002770 A FI20002770 A FI 20002770A FI 20002770 A FI20002770 A FI 20002770A FI 20002770 A0 FI20002770 A0 FI 20002770A0
- Authority
- FI
- Finland
- Prior art keywords
- group
- host
- mobile communication
- gateway node
- established
- Prior art date
Links
- 238000010295 mobile communication Methods 0.000 title abstract 3
- 238000004891 communication Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 230000011664 signaling Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1033—Signalling gateways
- H04L65/104—Signalling gateways in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/189—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast in combination with wireless systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/16—Multipoint routing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/10—Architectures or entities
- H04L65/102—Gateways
- H04L65/1023—Media gateways
- H04L65/103—Media gateways in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/765—Media network packet handling intermediate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
- H04M2207/185—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks wireless packet-switched
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
- H04M2207/187—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks combining circuit and packet-switched, e.g. GPRS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002770A FI110561B (fi) | 2000-12-18 | 2000-12-18 | IP-pohjainen puheviestintä matkaviestinjärjestelmässä |
US10/204,015 US7792935B2 (en) | 2000-12-18 | 2001-12-13 | IP based voice communication in a mobile communications system |
PCT/FI2001/001093 WO2002051072A1 (en) | 2000-12-18 | 2001-12-13 | Ip based voice communication in a mobile communications system |
CNB018050050A CN1154296C (zh) | 2000-12-18 | 2001-12-13 | 移动通信系统中的基于ip的话音通信 |
EP01271716.1A EP1269685B1 (en) | 2000-12-18 | 2001-12-13 | Ip-based voice group call communication in a mobile communications system |
AU2002217198A AU2002217198A1 (en) | 2000-12-18 | 2001-12-13 | Ip based voice communication in a mobile communications system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20002770A FI110561B (fi) | 2000-12-18 | 2000-12-18 | IP-pohjainen puheviestintä matkaviestinjärjestelmässä |
FI20002770 | 2000-12-18 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20002770A0 true FI20002770A0 (fi) | 2000-12-18 |
FI20002770A FI20002770A (fi) | 2002-06-19 |
FI110561B FI110561B (fi) | 2003-02-14 |
Family
ID=8559738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20002770A FI110561B (fi) | 2000-12-18 | 2000-12-18 | IP-pohjainen puheviestintä matkaviestinjärjestelmässä |
Country Status (6)
Country | Link |
---|---|
US (1) | US7792935B2 (fi) |
EP (1) | EP1269685B1 (fi) |
CN (1) | CN1154296C (fi) |
AU (1) | AU2002217198A1 (fi) |
FI (1) | FI110561B (fi) |
WO (1) | WO2002051072A1 (fi) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6961330B1 (en) * | 2000-06-23 | 2005-11-01 | Comverse Ltd. | Web development and deployment using SMS and USSD |
US7738407B2 (en) * | 2001-08-03 | 2010-06-15 | At&T Intellectual Property Ii, L.P. | Method and apparatus for delivering IPP2T (IP-push-to-talk) wireless LAN mobile radio service |
US7307963B2 (en) | 2001-08-03 | 2007-12-11 | At&T Corp. | Architecture and method for using IEEE 802.11-like wireless LAN system to emulate private land mobile radio system (PLMRS) radio service |
ATE372010T1 (de) * | 2001-10-23 | 2007-09-15 | Ericsson Telefon Ab L M | Multicast-unterstützung in paketvermittelten drahtlosen netzwerken |
US20030163526A1 (en) * | 2002-02-25 | 2003-08-28 | Clarisse Olivier Bernard | Virtual direct connect network |
KR100415117B1 (ko) | 2002-03-04 | 2004-01-13 | 삼성전자주식회사 | 인터넷프로토콜 전화시스템에서 인터넷프로토콜단말기들간의 다중통화 시 강제 착신장치 및 방법 |
US8432893B2 (en) * | 2002-03-26 | 2013-04-30 | Interdigital Technology Corporation | RLAN wireless telecommunication system with RAN IP gateway and methods |
US8255501B2 (en) * | 2002-05-15 | 2012-08-28 | Motorola Mobility Llc | Establishing an IP session between a host using SIP and a device without an IP address |
FI20030429A0 (fi) * | 2003-03-24 | 2003-03-24 | Nokia Corp | Ryhmäliikennöinti matkaviestinverkossa |
JP4170929B2 (ja) * | 2003-03-28 | 2008-10-22 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システム、移動端末、及び移動通信方法 |
JP3722134B2 (ja) * | 2003-06-04 | 2005-11-30 | 日本電気株式会社 | Ipマルチキャスト配信システム、ストリーミングデータ配信方法、及びそのプログラム |
FI20031457A0 (fi) * | 2003-10-06 | 2003-10-06 | Nokia Corp | Menetelmä, järjestelmä ja verkon solmut olemassaolevan prosessi-informaation siirtämiseksi siirtymäprosessin aikana |
US8085765B2 (en) * | 2003-11-03 | 2011-12-27 | Intel Corporation | Distributed exterior gateway protocol |
US7596107B1 (en) * | 2004-01-26 | 2009-09-29 | Cisco Technology, Inc. | System and method for enabling multicast group services in a network environment |
JP3997995B2 (ja) * | 2004-01-29 | 2007-10-24 | 日本電気株式会社 | 半二重無線通信方法、プログラム、およびシステム |
US7720461B2 (en) * | 2004-02-26 | 2010-05-18 | Research In Motion Limited | Mobile communications device with security features |
FI20045138A0 (fi) * | 2004-04-16 | 2004-04-16 | Nokia Corp | Ryhmätiedon hallinta |
FI20045180A0 (fi) * | 2004-05-19 | 2004-05-19 | Nokia Corp | Ryhmä-ääniviestinnän hallinta tietoliikennejärjestelmässä |
US20060018310A1 (en) * | 2004-07-20 | 2006-01-26 | Qwest Communications International Inc. | Data network call routing |
US8184793B2 (en) | 2004-07-20 | 2012-05-22 | Qwest Communications International Inc. | Multi-line telephone calling |
FI116769B (fi) * | 2004-10-20 | 2006-02-15 | Teliasonera Finland Oyj | Piirikytkentäisen puhelun uudelleenreititys |
CN101053213B (zh) * | 2004-11-04 | 2011-06-22 | 松下电器产业株式会社 | 多接口通信装置、终端以及路径切换方法 |
US7738424B2 (en) * | 2004-11-12 | 2010-06-15 | Nortel Networks | Clientless mobile subscribers with seamless roaming over scalable wide area wireless networks |
US7508812B2 (en) * | 2005-01-28 | 2009-03-24 | Research In Motion Limited | Socket management for always-on data connections |
CA2500508A1 (en) * | 2005-03-10 | 2006-09-10 | Alcatel | Adaptable communication profiles in telephone networks |
US7724743B2 (en) | 2005-03-31 | 2010-05-25 | Qualcomm Incorporated | System and method for distributing VoIP data packets in group communications amoung wireless telecommunication devices |
US20060265509A1 (en) * | 2005-04-22 | 2006-11-23 | Pandit Shrihari B | Methods and systems for communicating voice, audio, video, text and/or multimedia data |
CN101502166B (zh) | 2005-06-07 | 2012-08-22 | 北方电讯网络有限公司 | 在接入网关节点中提供一种数据功能 |
CN100421520C (zh) * | 2005-09-05 | 2008-09-24 | 华为技术有限公司 | 一种基于移动网络的ip组播系统和方法 |
CN101310503B (zh) | 2005-11-17 | 2012-12-19 | 美商内数位科技公司 | 在蜂窝式无线通信网络上支持基于ip的语音服务的方法和设备 |
US7885199B2 (en) * | 2006-01-31 | 2011-02-08 | Alcatel-Lucent Usa Inc. | System and method for providing group calling in a wireless network |
FR2905222B1 (fr) * | 2006-08-28 | 2008-10-17 | Eads Secure Networks Soc Par A | Procede de correspondance entre identificateurs de communication de groupe et adresses de multidiffusion. |
US8019383B2 (en) * | 2007-01-17 | 2011-09-13 | Nokia Corporation | Techniques to increase coverage of push-to-talk wireless networks |
FI20075305L (fi) * | 2007-05-02 | 2008-11-03 | Eads Secure Networks Oy | Datavirtojen hallinta tietoliikennejärjestelmässä |
WO2009083429A1 (en) * | 2007-12-27 | 2009-07-09 | Telefonaktiebolaget L M Ericsson (Publ) | Multi-pdn (packet data network) connectivity to one apn (access point name) |
US20100254334A1 (en) * | 2009-04-06 | 2010-10-07 | Qualcomm Incorporated | Setting up a communication session within a wireless communications system |
CN101990174B (zh) * | 2009-07-29 | 2016-06-15 | 中兴通讯股份有限公司 | 消息发送方法及通用无线分组业务服务支持节点 |
CN101997898B (zh) * | 2009-08-19 | 2013-01-23 | 华为技术有限公司 | M2m应用服务器下发数据包的方法及系统 |
CN102025702B (zh) * | 2009-09-17 | 2014-11-05 | 中兴通讯股份有限公司 | 基于身份标识和位置分离架构的网络及其骨干网和网元 |
US8560604B2 (en) | 2009-10-08 | 2013-10-15 | Hola Networks Ltd. | System and method for providing faster and more efficient data communication |
CN102158911A (zh) * | 2010-02-11 | 2011-08-17 | 华为技术有限公司 | 机器对机器业务的承载建立方法及网络传输设备 |
CN102934400B (zh) * | 2010-06-09 | 2016-08-24 | 日本电气株式会社 | 通信系统、逻辑信道控制设备、控制设备、通信方法以及程序 |
US8514756B1 (en) * | 2010-10-15 | 2013-08-20 | Juniper Networks, Inc. | Collectively addressing wireless devices |
US9172678B2 (en) | 2011-06-28 | 2015-10-27 | At&T Intellectual Property I, L.P. | Methods and apparatus to improve security of a virtual private mobile network |
CN103748943A (zh) * | 2012-08-17 | 2014-04-23 | 华为技术有限公司 | 用户设备配对处理方法、网络侧设备和用户设备 |
US20140286221A1 (en) * | 2013-03-20 | 2014-09-25 | Nokia Siemens Networks Oy | Activation of multicast service |
US9144103B2 (en) | 2013-04-30 | 2015-09-22 | Motorola Solutions, Inc. | Wireless local communication systems and methods from WAN fallback |
US9432820B2 (en) | 2013-05-29 | 2016-08-30 | Qualcomm Incorporated | Method for efficiently supporting multiple simultaneous group PTT calls requiring low call setup latency |
US20180019976A1 (en) * | 2016-07-14 | 2018-01-18 | Intel Corporation | System, Apparatus And Method For Massively Scalable Dynamic Multipoint Virtual Private Network Using Group Encryption Keys |
US10966066B1 (en) | 2020-03-17 | 2021-03-30 | Facebook, Inc. | Internet-enabled data for transparent application consumption over unstructured supplementary service data |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5752003A (en) * | 1995-07-14 | 1998-05-12 | 3 Com Corporation | Architecture for managing traffic in a virtual LAN environment |
WO1997048210A1 (en) | 1996-06-14 | 1997-12-18 | Bell Communications Research, Inc. | Logical ip address assignment in atm lan |
US6128483A (en) * | 1996-11-19 | 2000-10-03 | Ericsson, Inc. | Simultaneous over the air data download to multiple radios |
US6144673A (en) * | 1997-10-24 | 2000-11-07 | Motorola, Inc. | Method and apparatus for providing broadcast group data |
US6338089B1 (en) * | 1998-10-06 | 2002-01-08 | Bull Hn Information Systems Inc. | Method and system for providing session pools for high performance web browser and server communications |
WO2000057601A1 (en) | 1999-03-19 | 2000-09-28 | Nokia Networks Oy | Method and network element for forwarding multicast messages |
FI108185B (fi) * | 1999-05-12 | 2001-11-30 | Nokia Networks Oy | Yhteyksien hallintamenetelmä |
DE69933286T2 (de) * | 1999-07-21 | 2007-04-05 | Lucent Technologies Inc. | Telekommunikationssystem |
US6392999B1 (en) * | 1999-08-10 | 2002-05-21 | Lucent Technologies Inc. | Conferencing and announcement generation for wireless VoIP and VoATM calls |
EP1083724A1 (en) | 1999-09-10 | 2001-03-14 | Lucent Technologies Inc. | Method and apparatus for IP address discovery |
FI19992593A (fi) * | 1999-12-02 | 2001-06-03 | Nokia Networks Oy | Puheluiden reititys tietoliikennejärjestelmässä |
US6298058B1 (en) * | 1999-12-17 | 2001-10-02 | Motorola, Inc. | Methods for implementing a talkgroup call with competing sources in a multicast IP network |
US6252952B1 (en) * | 1999-12-30 | 2001-06-26 | At&T Corp | Personal user network (closed user network) PUN/CUN |
AU2001240004A1 (en) | 2000-03-03 | 2001-09-17 | Qualcomm Incorporated | Method and apparatus for participating in group communication services in an existing communication system |
EP2271148B1 (en) * | 2000-03-03 | 2012-10-31 | Qualcomm Incorporated | Communication device and its corresponding method for providing security in a group communication network |
US20020034935A1 (en) * | 2000-07-12 | 2002-03-21 | Frode Bjelland | Communication protocols in networks having split control planes and user planes |
US6904054B1 (en) * | 2000-08-10 | 2005-06-07 | Verizon Communications Inc. | Support for quality of service and vertical services in digital subscriber line domain |
US20020172339A1 (en) * | 2001-05-21 | 2002-11-21 | Creswell Carroll W. | Method for providing sequenced communications within a group |
-
2000
- 2000-12-18 FI FI20002770A patent/FI110561B/fi active
-
2001
- 2001-12-13 EP EP01271716.1A patent/EP1269685B1/en not_active Expired - Lifetime
- 2001-12-13 AU AU2002217198A patent/AU2002217198A1/en not_active Abandoned
- 2001-12-13 US US10/204,015 patent/US7792935B2/en active Active
- 2001-12-13 WO PCT/FI2001/001093 patent/WO2002051072A1/en not_active Application Discontinuation
- 2001-12-13 CN CNB018050050A patent/CN1154296C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1401173A (zh) | 2003-03-05 |
WO2002051072A1 (en) | 2002-06-27 |
CN1154296C (zh) | 2004-06-16 |
US7792935B2 (en) | 2010-09-07 |
EP1269685B1 (en) | 2017-05-10 |
FI110561B (fi) | 2003-02-14 |
US20030187926A1 (en) | 2003-10-02 |
FI20002770A (fi) | 2002-06-19 |
AU2002217198A1 (en) | 2002-07-01 |
EP1269685A1 (en) | 2003-01-02 |
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