ATE415053T1 - Vorrichtung und verfahren zur gewährleistung von abwärtskompatibilität mit bestehenden mobilsystemen - Google Patents

Vorrichtung und verfahren zur gewährleistung von abwärtskompatibilität mit bestehenden mobilsystemen

Info

Publication number
ATE415053T1
ATE415053T1 AT01999121T AT01999121T ATE415053T1 AT E415053 T1 ATE415053 T1 AT E415053T1 AT 01999121 T AT01999121 T AT 01999121T AT 01999121 T AT01999121 T AT 01999121T AT E415053 T1 ATE415053 T1 AT E415053T1
Authority
AT
Austria
Prior art keywords
packet data
data network
network
circuit
interface
Prior art date
Application number
AT01999121T
Other languages
English (en)
Inventor
Requena Jose Costa
Original Assignee
Nokia Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22962118&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE415053(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE415053T1 publication Critical patent/ATE415053T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements
    • 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
    • H04L65/1045—Proxies, e.g. for session initiation protocol [SIP]
    • 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
    • H04L65/1073—Registration or de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0435—Details
    • H04Q11/0464—Primary rate access circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0025—Provisions for signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/08—Access security
    • H04W12/084—Access security using delegated authorisation, e.g. open authorisation [OAuth] protocol
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • 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
    • H04L65/1104—Session initiation protocol [SIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1305—Software aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13097—Numbering, addressing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13098—Mobile subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13166—Fault prevention
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13196—Connection circuit/link/trunk/junction, bridge, router, gateway
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13204—Protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13205—Primary rate access, PRI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13339—Ciphering, encryption, security
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13345—Intelligent networks, SCP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Soil Working Implements (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
AT01999121T 2000-11-29 2001-11-21 Vorrichtung und verfahren zur gewährleistung von abwärtskompatibilität mit bestehenden mobilsystemen ATE415053T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25389000P 2000-11-29 2000-11-29

Publications (1)

Publication Number Publication Date
ATE415053T1 true ATE415053T1 (de) 2008-12-15

Family

ID=22962118

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01999121T ATE415053T1 (de) 2000-11-29 2001-11-21 Vorrichtung und verfahren zur gewährleistung von abwärtskompatibilität mit bestehenden mobilsystemen

Country Status (6)

Country Link
US (1) US6904035B2 (de)
EP (1) EP1338152B1 (de)
AT (1) ATE415053T1 (de)
AU (1) AU2002223935A1 (de)
DE (1) DE60136644D1 (de)
WO (1) WO2002045440A1 (de)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653377B1 (en) * 2000-07-07 2010-01-26 Bellsouth Intellectual Property Corporation Pre-paid wireless interactive voice response system with variable announcements
US6487401B2 (en) * 2000-12-18 2002-11-26 Sbc Technology Resources, Inc. Prepaid wireless telephone account regeneration in a wireless access protocol system
EP1382216A1 (de) * 2001-04-25 2004-01-21 Nokia Corporation Authentifizierung in einem kommunikationssystem
US8238912B2 (en) * 2001-05-31 2012-08-07 Ipr Licensing, Inc. Non-intrusive detection of enhanced capabilities at existing cellsites in a wireless data communication system
US7243370B2 (en) * 2001-06-14 2007-07-10 Microsoft Corporation Method and system for integrating security mechanisms into session initiation protocol request messages for client-proxy authentication
ES2235065T3 (es) * 2001-07-03 2005-07-01 Telefonaktiebolaget Lm Ericsson (Publ) Metodo y sistema para gestionar multiples registros.
US7173925B1 (en) * 2001-07-18 2007-02-06 Cisco Technology, Inc. Method and system of control signaling for a wireless access network
US7337229B2 (en) * 2001-11-08 2008-02-26 Telefonktiebolaget Lm Ericsson (Publ) Method and apparatus for authorizing internet transactions using the public land mobile network (PLMN)
US7028311B2 (en) * 2002-01-04 2006-04-11 Telefonaktiebolaget Lm Ericsson (Publ) Communications node architecture and method for providing control functions in a telecommunications network
US6859651B2 (en) * 2002-03-28 2005-02-22 Nokia Corporation Method and system for re-authentication in IP multimedia core network system (IMS)
JP2003309664A (ja) * 2002-04-17 2003-10-31 Sony Corp 端末装置、データ送受信システム及びデータ送受信開始方法
CN100346622C (zh) * 2002-05-13 2007-10-31 马克波特有限公司 在ip域中plmn消息传送服务的控制
US7240366B2 (en) 2002-05-17 2007-07-03 Microsoft Corporation End-to-end authentication of session initiation protocol messages using certificates
US7209890B1 (en) * 2002-06-20 2007-04-24 Bellsouth Intellectual Property Corp. System and method for replenishing a wireless terminal account
US7539629B1 (en) * 2002-06-20 2009-05-26 At&T Intellectual Property I, L.P. System and method for replenishing a wireless terminal account
US7372826B2 (en) 2002-08-01 2008-05-13 Starent Networks, Corp. Providing advanced communications features
US7487199B2 (en) * 2002-09-24 2009-02-03 Motorola, Inc. Method and apparatus for maintaining SIP contact addresses
US7406168B2 (en) * 2002-12-19 2008-07-29 International Business Machines Corporation Connection manager for integrating legacy telephony environments and IP networks
US6931249B2 (en) * 2003-01-23 2005-08-16 Motorola, Inc. Method and apparatus for a target-initiated handoff from a source cellular wireless network to a target non-cellular wireless network
US8165113B1 (en) 2003-01-30 2012-04-24 At&T Intellectual Property Ii, L.P. Session initiation protocol (SIP) message incorporating a number of predetermined address headers having predetermined address information
US7797459B1 (en) * 2003-02-11 2010-09-14 At&T Intellectual Property Ii, L.P. Access independent common architecture for real-time communications services for networking environments
GB2398458B (en) * 2003-02-15 2005-05-25 Ericsson Telefon Ab L M Conversational bearer negotiation
US8705518B1 (en) * 2003-02-24 2014-04-22 At&T Intellectual Property Ii, L.P. Apparatus and method for controlling services and operations in converged communications networks
US7333809B2 (en) * 2003-03-18 2008-02-19 At&T Mobility Ii Llc Multi-standard prepaid communication services
US20040240430A1 (en) * 2003-05-27 2004-12-02 Innomedia Pte Ltd. IP gateway for hybrid circuit switched and IP based mobile wireless telephone system
US8437368B2 (en) 2003-06-04 2013-05-07 Nokia Corporation System and method for handing over a call from a packet-switched network to a circuit-switched network
US7885208B2 (en) * 2003-09-11 2011-02-08 Nokia Corporation IP-based services for circuit-switched networks
US20050116465A1 (en) * 2003-10-07 2005-06-02 Muscat Robert G. Packaging with embedded security measures
US7260082B2 (en) * 2004-02-13 2007-08-21 Yahoo! Inc. Seamless interfacing for instant messaging and internet telephony across wireless networks
US7031280B2 (en) * 2004-04-26 2006-04-18 Motorola, Inc. Method and apparatus for hand over of calls
RU2380840C2 (ru) * 2004-07-20 2010-01-27 Квэлкомм Инкорпорейтед Передача обслуживания между sip-сетью и системой сотовой связи
WO2006069025A2 (en) * 2004-12-20 2006-06-29 Nextel Communications, Inc. Systems and method for a dispatch communication router
US7738426B2 (en) 2005-02-14 2010-06-15 Accuris Technologies Limited Roaming gateway
GB2424493A (en) * 2005-03-14 2006-09-27 Orange Personal Comm Serv Ltd Telecommunications system and method
WO2006105223A1 (en) * 2005-03-30 2006-10-05 Nokia Siemens Networks Gmbh & Co. Kg Ip and circuit-switched network interop-erability
JP2008536420A (ja) 2005-04-13 2008-09-04 ノキア コーポレイション スケーラビリティ情報の符号化、格納およびシグナリング
KR100910801B1 (ko) * 2005-05-02 2009-08-04 엘지전자 주식회사 Ｓｉｐ 기반의 세션 셋업 방법 및 장치
US7385947B2 (en) * 2005-05-04 2008-06-10 Nokia Corporation Low-cost radio access network enabling local switching
US7706792B1 (en) 2005-08-10 2010-04-27 At&T Mobility Ii Llc Intelligent customer care support
US7463889B1 (en) 2005-08-10 2008-12-09 At&T Mobility Ii Llc Intelligent customer care support using network CAMEL subscription information
EP1788780A3 (de) * 2005-11-17 2013-06-26 Markport Limited Gateway zur Weiterreichung von Berichten
DE602005013832D1 (de) * 2005-12-01 2009-05-20 Ericsson Telefon Ab L M Anrufabwicklung für einen ims-registrierten benutzer
US7813730B2 (en) * 2006-10-17 2010-10-12 Mavenir Systems, Inc. Providing mobile core services independent of a mobile device
US8887235B2 (en) * 2006-10-17 2014-11-11 Mavenir Systems, Inc. Authentication interworking
US20080144602A1 (en) * 2006-12-14 2008-06-19 Nortel Networks Limited Providing sip interworking in a next generation network
EP1973289B1 (de) * 2007-03-23 2016-03-09 Nokia Solutions and Networks GmbH & Co. KG Verfahren zur bereitstellung von subskriptionen zu paketvermittelten netzen
US8090343B2 (en) 2007-05-29 2012-01-03 At&T Mobility Ii Llc Optimized camel triggering for prepaid calling
US10419360B2 (en) 2007-05-31 2019-09-17 International Business Machines Corporation Market-driven variable price offerings for bandwidth-sharing ad hoc networks
US7944878B2 (en) * 2007-05-31 2011-05-17 International Business Machines Corporation Filtering in bandwidth sharing ad hoc networks
US7860081B2 (en) * 2007-05-31 2010-12-28 International Business Machines Corporation Optimization process and system for multiplexed gateway architecture
US7873019B2 (en) * 2007-05-31 2011-01-18 International Business Machines Corporation Systems and methods for establishing gateway bandwidth sharing ad-hoc networks
US7979311B2 (en) 2007-05-31 2011-07-12 International Business Machines Corporation Payment transfer strategies for bandwidth sharing in ad hoc networks
US8320414B2 (en) 2007-05-31 2012-11-27 International Business Machines Corporation Formation and rearrangement of lender devices that perform multiplexing functions
US7894828B2 (en) * 2007-05-31 2011-02-22 International Business Machines Corporation System and method for establishing peer-to-peer bandwidth sharing ad hoc networks
US7843861B2 (en) * 2007-05-31 2010-11-30 International Business Machines Corporation Coalition formation and service provisioning of bandwidth sharing AD HOC networks
US8520535B2 (en) 2007-05-31 2013-08-27 International Business Machines Corporation Optimization process and system for a heterogeneous ad hoc Network
US8249984B2 (en) * 2007-05-31 2012-08-21 International Business Machines Corporation System and method for fair-sharing in bandwidth sharing ad-hoc networks
US7898993B2 (en) * 2007-05-31 2011-03-01 International Business Machines Corporation Efficiency and resiliency enhancements for transition states in ad hoc networks
US8620784B2 (en) 2007-05-31 2013-12-31 International Business Machines Corporation Formation and rearrangement of ad hoc networks
US10623998B2 (en) * 2007-05-31 2020-04-14 International Business Machines Corporation Price offerings for bandwidth-sharing ad hoc networks
US8040863B2 (en) * 2007-05-31 2011-10-18 International Business Machines Corporation Demand pull and supply push communication methodologies
US7817623B2 (en) * 2007-05-31 2010-10-19 International Business Machines Corporation Optimization process and system for non-multiplexed peer-to-peer architecture
US7983655B2 (en) 2007-06-20 2011-07-19 At&T Mobility Ii Llc Conditional call treatment for prepaid calls
US8090344B2 (en) 2007-07-23 2012-01-03 At&T Mobility Ii Llc Dynamic location-based rating for prepaid calls
US8774798B2 (en) 2007-08-28 2014-07-08 At&T Mobility Ii Llc Determining capability to provide dynamic local time updates in a prepaid terminating call
US8180321B2 (en) 2007-09-26 2012-05-15 At&T Mobility Ii Llc Recovery of lost revenue in prepaid calls
CN100550860C (zh) * 2007-11-27 2009-10-14 华为技术有限公司 媒体资源预留方法及业务包信息获取方法及装置
WO2009088326A1 (en) * 2008-01-07 2009-07-16 Telefonaktiebolaget Lm Ericsson (Publ) Improved local switching in a cellular system
US20100061533A1 (en) * 2008-09-08 2010-03-11 At&T Intellectual Property I, L.P. Portable Telephony Profiles
KR101460151B1 (ko) * 2008-09-29 2014-11-10 삼성전자주식회사 이종 망간의 로밍 서비스를 제공 방법 및 이를 위한 시스템
WO2010079789A1 (ja) * 2009-01-09 2010-07-15 日本電気株式会社 ゲートウェイ装置と方法及びシステム
KR101729336B1 (ko) * 2010-10-15 2017-04-21 삼성전자주식회사 회선 교환 망과 인터넷 프로토콜 멀티미디어 서브시스템 망간 로밍 서비스 제공 방법 및 시스템과 그 장치
US20120327790A1 (en) * 2011-06-24 2012-12-27 Mediatek Inc. Apparatuses and methods for coordinating circuit switched (cs) services in packet transfer mode (ptm)
CN105246076A (zh) * 2011-08-08 2016-01-13 华为技术有限公司 跨plmn的访问控制处理方法、设备和系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0738091A1 (de) 1995-04-11 1996-10-16 Hewlett-Packard Company Erkennungsverfahren zur Bestimmung von Information über ein Signalisierungsnetz
US6134433A (en) 1996-12-09 2000-10-17 Telefonaktiebolaget L M Ericsson (Publ) System and method of forwarding data calls in a radio telecommunications network
US6304566B1 (en) 1997-06-30 2001-10-16 Siemens Telecom Networks Telecommunication system
DE19832290B4 (de) * 1998-07-17 2011-12-08 Telefonaktiebolaget Lm Ericsson (Publ) Kommunikationssystem und Verfahren zum Aufbauen von Verbindungen zwischen Terminals eines ersten und eines zweiten Kommunikationsnetzes
EP1208699B1 (de) 1999-09-02 2010-03-03 Nokia Siemens Networks Oy Anrufsteuerung in einem intelligenten netz
US6738390B1 (en) * 2000-04-03 2004-05-18 Siemens Information & Communication Networks, Inc. SIP-H.323 gateway implementation to integrate SIP agents into the H.323 system
US7333505B2 (en) * 2000-12-18 2008-02-19 Nortel Networks Limited Transaction management for interworking between disparate networks

Also Published As

Publication number Publication date
EP1338152B1 (de) 2008-11-19
US20020141358A1 (en) 2002-10-03
WO2002045440A1 (en) 2002-06-06
US6904035B2 (en) 2005-06-07
AU2002223935A1 (en) 2002-06-11
EP1338152A1 (de) 2003-08-27
DE60136644D1 (de) 2009-01-02

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