HK1070511A1 - Apparatus and method for computer telephone integration in packet switched telephone networks - Google Patents

Apparatus and method for computer telephone integration in packet switched telephone networks

Info

Publication number
HK1070511A1
HK1070511A1 HK05102917.1A HK05102917A HK1070511A1 HK 1070511 A1 HK1070511 A1 HK 1070511A1 HK 05102917 A HK05102917 A HK 05102917A HK 1070511 A1 HK1070511 A1 HK 1070511A1
Authority
HK
Hong Kong
Prior art keywords
computer
packet switched
integration
switched telephone
networks
Prior art date
Application number
HK05102917.1A
Other languages
English (en)
Inventor
Carl R Strathmeyer
Donald Finnie
Original Assignee
Intel 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
Priority claimed from US10/092,832 external-priority patent/US6856618B2/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of HK1070511A1 publication Critical patent/HK1070511A1/xx

Links

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
    • H04L65/1043—Gateway controllers, e.g. media gateway control protocol [MGCP] controllers
    • 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
    • H04L45/24—Multipath
    • 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
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0281—Proxies
    • 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
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/029—Firewall traversal, e.g. tunnelling or, creating pinholes
    • 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
    • H04L65/1026—Media gateways at the edge
    • 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
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1033—Signalling gateways
    • H04L65/1036—Signalling gateways at the edge
    • 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
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • 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
    • H04L65/1096—Supplementary features, e.g. call forwarding or call holding
    • 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
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—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
    • H04L65/1101—Session protocols
    • H04L65/1106—Call signalling protocols; H.323 and related
    • 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
    • H04L65/40—Support for services or applications
    • H04L65/401—Support for services or applications wherein the services involve a main real-time session and one or more additional parallel real-time or time sensitive sessions, e.g. white board sharing or spawning of a subconference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/14—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/63—Routing a service request depending on the request content or context
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/253—Telephone sets using digital voice transmission
    • H04M1/2535—Telephone sets using digital voice transmission adapted for voice communication over an Internet Protocol [IP] network
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0012—Details of application programming interfaces [API] for telephone networks; Arrangements which combine a telephonic communication equipment and a computer, i.e. computer telephony integration [CPI] 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)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
HK05102917.1A 2002-03-07 2005-04-07 Apparatus and method for computer telephone integration in packet switched telephone networks HK1070511A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/092,832 US6856618B2 (en) 1997-10-21 2002-03-07 Apparatus and method for computer telephone integration in packet switched telephone networks
US10/145,998 US6876633B2 (en) 1997-10-21 2002-05-15 Apparatus and method for computer telephone integration in packet switched telephone networks
PCT/US2003/001197 WO2003077522A1 (en) 2002-03-07 2003-01-15 Apparatus and method for computer telephone integration in packet switched telephone networks

Publications (1)

Publication Number Publication Date
HK1070511A1 true HK1070511A1 (en) 2005-06-17

Family

ID=27807228

Family Applications (1)

Application Number Title Priority Date Filing Date
HK05102917.1A HK1070511A1 (en) 2002-03-07 2005-04-07 Apparatus and method for computer telephone integration in packet switched telephone networks

Country Status (6)

Country Link
US (1) US6876633B2 (zh)
EP (1) EP1483888B1 (zh)
CN (1) CN1640110B (zh)
HK (1) HK1070511A1 (zh)
TW (1) TWI229518B (zh)
WO (1) WO2003077522A1 (zh)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6856618B2 (en) * 1997-10-21 2005-02-15 Intel Corporation Apparatus and method for computer telephone integration in packet switched telephone networks
US8184557B2 (en) * 1997-10-21 2012-05-22 Intel Corporation Apparatus and method for computer controlled call processing applications in packet switched telephone networks
US6201805B1 (en) 1997-10-21 2001-03-13 Dialogic Corporation Apparatus and method for computer telephone integration in packet switched telephone networks
US7068648B2 (en) * 1997-10-21 2006-06-27 Intel Corporation Apparatus and method for computer controlled call processing and information provision
GB0006464D0 (en) * 2000-03-18 2000-05-10 Ericsson Telefon Ab L M Ip communication in a cellular telecommunications system
US7110393B1 (en) * 2001-02-28 2006-09-19 3Com Corporation System and method for providing user mobility handling in a network telephony system
FR2822615B1 (fr) * 2001-03-23 2003-08-01 Matra Nortel Communications Procede d'etablissement de chemins de communication entre des points d'acces d'un systeme de communication et systeme de communication mettant en oeuvre le procede
US8180034B2 (en) 2001-07-27 2012-05-15 Alcatel Lucent Apparatus, and associated method, for a CTI-enabled SIP-phone
US7352694B1 (en) * 2001-12-14 2008-04-01 Applied Micro Circuits Corporation System and method for tolerating data link faults in a packet communications switch fabric
US7327721B2 (en) * 2002-02-11 2008-02-05 Avaya Technology Corp. Determination of endpoint virtual address assignment in an internet telephony system
US7660297B2 (en) * 2002-06-13 2010-02-09 Nice Systems Ltd. Voice over IP forwarding
US8165114B2 (en) * 2002-06-13 2012-04-24 Nice Systems Ltd. Voice over IP capturing
GB2389736B (en) * 2002-06-13 2005-12-14 Nice Systems Ltd A method for forwarding and storing session packets according to preset and/or dynamic rules
US7852997B2 (en) * 2004-01-28 2010-12-14 Managed Inventions, Llc Internet telephony communications adapter for web browsers
US20070105531A1 (en) * 2005-11-04 2007-05-10 Ascenna Mobile, Inc. Dynamic Processing of Virtual Identities for Mobile Communications Devices
WO2007063275A1 (en) * 2005-12-02 2007-06-07 British Telecommunications Public Limited Company Computer telephony system
US20070266162A1 (en) * 2005-12-07 2007-11-15 Microsoft Corporation Session initiation protocol redirection for process recycling
US8873405B2 (en) * 2006-12-15 2014-10-28 Verizon Patent And Licensing Inc. Automated session initiation protocol (SIP) device
CN101808304A (zh) * 2009-06-05 2010-08-18 韩燕� 一种多号码电话的通信方法
CN101827465A (zh) * 2009-06-05 2010-09-08 韩燕� 一种多号码电话终端
NO330630B1 (no) * 2009-07-01 2011-05-30 Tandberg Telecom As System og fremgangsmate for a opprette et anrop ved hjelp av et globalt register
US8406234B2 (en) * 2010-12-08 2013-03-26 Motorola Solutions, Inc. Method and apparatus for processing multiple incoming calls in a single device
JP5624252B2 (ja) 2011-05-31 2014-11-12 ワールド イマージェンシーネットワーク−ネバダ リミテッド セルラネットワークを介した片方向記録送信機としての携帯電話
US9736296B2 (en) * 2011-06-30 2017-08-15 World Emergency Network—Nevada, Ltd. Attaching multiple phone lines to a single mobile or landline phone
US8824652B2 (en) 2011-10-12 2014-09-02 World Emergency Network - Nevada, Ltd. Controlled recorded 3-way calling
US9998603B2 (en) * 2011-06-30 2018-06-12 World Emergency Network—Nevada, Ltd. Attaching multiple phone lines to a single mobile or landline phone
US8671208B2 (en) 2012-03-06 2014-03-11 Blackberry Limited System and method for adaptively routing peer-to-peer (P2P) communications
WO2014032232A1 (en) * 2012-08-29 2014-03-06 Telefonaktiebolaget L M Ericsson (Publ) Method and node for automatically exchanging network service provider information
DE102013008933A1 (de) * 2013-05-24 2014-12-11 Unify Gmbh & Co. Kg Verfahren und Anordnung zum Aufbau von Telekommunikationsverbindungen
US9584560B2 (en) * 2014-07-29 2017-02-28 Avaya Inc. Providing external application services with an existing private branch exchange media server
US10447837B2 (en) 2015-04-15 2019-10-15 World Emergency Network—Nevada, Ltd. International one-way recorded transmitter over a cellular network
US10645213B1 (en) 2016-03-30 2020-05-05 World Emergency Network—Nevada Ltd. Virtual numbers for intelligence operations
CA2961221A1 (en) 2016-04-11 2017-10-11 Tti (Macao Commercial Offshore) Limited Modular garage door opener
CN110062118B (zh) * 2019-04-23 2020-10-27 深圳市大众通信技术有限公司 一种小号并发呼出多个不同用户方法及系统

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301752B (en) 1995-06-02 2000-03-29 Dsc Communications Control message transmission in telecommunications systems
GB9615029D0 (en) 1996-07-17 1996-09-04 British Telecomm Internet call centre
US5724412A (en) 1996-10-07 1998-03-03 U S West, Inc. Method and system for displaying internet identification on customer premises equipment
US5905872A (en) 1996-11-05 1999-05-18 At&T Corp. Method of transferring connection management information in world wideweb requests and responses
US6385191B1 (en) 1996-11-14 2002-05-07 Avaya Technology Corp. Extending internet calls to a telephony call center
US5867494A (en) 1996-11-18 1999-02-02 Mci Communication Corporation System, method and article of manufacture with integrated video conferencing billing in a communication system architecture
US6199096B1 (en) * 1997-03-14 2001-03-06 Efusion, Inc. Method and apparatus for synchronizing information browsing among multiple systems
US6212192B1 (en) * 1997-03-14 2001-04-03 Itxc, Inc. Method and apparatus for synchronizing information browsing among multiple systems
US6026087A (en) * 1997-03-14 2000-02-15 Efusion, Inc. Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer
US6614783B1 (en) 1997-04-01 2003-09-02 Cosmocom, Inc. Multimedia telecommunication automatic call distribution system using internet/PSTN call routing
US6094479A (en) 1997-05-06 2000-07-25 Telefonaktiebolaget Lm Ericsson Computer telephony integration gateway
US7072308B2 (en) 1997-10-21 2006-07-04 Intel Corporation Apparatus and method for computer controlled call processing applications in packet switched telephone networks
US6201805B1 (en) 1997-10-21 2001-03-13 Dialogic Corporation Apparatus and method for computer telephone integration in packet switched telephone networks
US6185288B1 (en) 1997-12-18 2001-02-06 Nortel Networks Limited Multimedia call signalling system and method
JP3938237B2 (ja) 1998-01-20 2007-06-27 富士通株式会社 インタネット電話発信者番号通知装置
US6490275B1 (en) 1998-10-13 2002-12-03 Nokia Telecommunications, Oy Method and apparatus for improving call setup efficiency in multimedia communications systems
US6614781B1 (en) * 1998-11-20 2003-09-02 Level 3 Communications, Inc. Voice over data telecommunications network architecture
EP1166540A2 (en) 1999-04-01 2002-01-02 Callwave Inc. Method and apparatus for providing expanded telecommunications service
ES2441203T3 (es) 1999-06-08 2014-02-03 The Trustees Of Columbia University In The City Of New York Aparato y sistema de telefonía de red para telefonía por inter/intranet
US6625141B1 (en) 1999-06-18 2003-09-23 Telefonaktiebolaget L M Ericsson (Publ) System and method for providing value-added services (VAS) in an integrated telecommunications network using session initiation protocol (SIP)
US20030147518A1 (en) 1999-06-30 2003-08-07 Nandakishore A. Albal Methods and apparatus to deliver caller identification information
US6636596B1 (en) 1999-09-24 2003-10-21 Worldcom, Inc. Method of and system for providing intelligent network control services in IP telephony
US6771765B1 (en) 1999-12-29 2004-08-03 Nortel Networks Limited Multimedia queuing in a customer contact or call center
AU2001229159A1 (en) 2000-02-08 2001-08-20 Syndeo Corporation Method and apparatus for diverting a packet-switched session utilizing an intelligent proxy agent
US20010036176A1 (en) * 2000-02-28 2001-11-01 Girard Gregory D. Apparatus and method for telephony service interface to software switch controller
US6993118B2 (en) 2000-03-04 2006-01-31 Intrado Inc. System and method for accessing personal information relating to a caller in a remote telecommunication network
US6934279B1 (en) 2000-03-13 2005-08-23 Nortel Networks Limited Controlling voice communications over a data network
US20020067816A1 (en) 2000-12-01 2002-06-06 Bushnell William Jackson System and method for delivering profile information relating to a caller
US20020159574A1 (en) 2001-04-27 2002-10-31 Scott Stogel Automatic telephone directory apparatus and method of operation thereof

Also Published As

Publication number Publication date
CN1640110A (zh) 2005-07-13
TW200304296A (en) 2003-09-16
TWI229518B (en) 2005-03-11
US6876633B2 (en) 2005-04-05
CN1640110B (zh) 2010-05-26
WO2003077522A1 (en) 2003-09-18
US20020181460A1 (en) 2002-12-05
EP1483888B1 (en) 2013-04-17
EP1483888A1 (en) 2004-12-08

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Legal Events

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20200115