DE69838868D1 - Verfahren für erhörte h.321-basierte multimedien-konferenzdienste über einem atm weitverkehrsnetz - Google Patents

Verfahren für erhörte h.321-basierte multimedien-konferenzdienste über einem atm weitverkehrsnetz

Info

Publication number
DE69838868D1
DE69838868D1 DE69838868T DE69838868T DE69838868D1 DE 69838868 D1 DE69838868 D1 DE 69838868D1 DE 69838868 T DE69838868 T DE 69838868T DE 69838868 T DE69838868 T DE 69838868T DE 69838868 D1 DE69838868 D1 DE 69838868D1
Authority
DE
Germany
Prior art keywords
hearing
atm
services over
multimedia conference
based multimedia
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69838868T
Other languages
English (en)
Other versions
DE69838868T2 (de
Inventor
Radhika R Roy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T 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
Application filed by AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69838868D1 publication Critical patent/DE69838868D1/de
Publication of DE69838868T2 publication Critical patent/DE69838868T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/15—Conference systems
    • 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
    • H04Q11/0478—Provisions for broadband connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5614—User Network Interface
    • H04L2012/5616—Terminal equipment, e.g. codecs, synch.
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5647—Cell loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling
    • H04L2012/5674—Synchronisation, timing recovery or alignment

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
DE69838868T 1997-04-29 1998-03-19 Verfahren für erhörte h.321-basierte multimedien-konferenzdienste über einem atm weitverkehrsnetz Expired - Lifetime DE69838868T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/841,057 US6026080A (en) 1997-04-29 1997-04-29 Method for providing enhanced H.321-based multimedia conferencing services over the ATM wide area network
US841057 1997-04-29
PCT/US1998/005385 WO1998049865A1 (en) 1997-04-29 1998-03-19 Method for providing enhanced h.321-based multimedia conferencing services over the atm wide area network

Publications (2)

Publication Number Publication Date
DE69838868D1 true DE69838868D1 (de) 2008-01-31
DE69838868T2 DE69838868T2 (de) 2008-12-04

Family

ID=25283909

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69838868T Expired - Lifetime DE69838868T2 (de) 1997-04-29 1998-03-19 Verfahren für erhörte h.321-basierte multimedien-konferenzdienste über einem atm weitverkehrsnetz

Country Status (5)

Country Link
US (1) US6026080A (de)
EP (1) EP0913069B1 (de)
CA (1) CA2258900C (de)
DE (1) DE69838868T2 (de)
WO (1) WO1998049865A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6359896B1 (en) * 1998-02-27 2002-03-19 Avaya Technology Corp. Dynamic selection of interworking functions in a communication system
US6370161B1 (en) * 1998-05-20 2002-04-09 Aspect Communications Time synchronization of distributed computer telephony communication applications in a computer network
US6266782B1 (en) * 1998-11-30 2001-07-24 Siemens Information And Communication Networks, Inc. Apparatus and methods for inband protocol correction in distributed object networking
US6697341B1 (en) * 1998-12-16 2004-02-24 At&T Corp. Apparatus and method for providing multimedia conferencing services with selective performance parameters
US6636487B1 (en) * 1998-12-16 2003-10-21 At&T Corp. Apparatus and method for providing multimedia conferencing services with an unspecified bit rate quality of service class over an asynchronous transfer mode network
KR20010006688A (ko) * 1999-02-26 2001-01-26 윤종용 데이터 스트림 클록 복구 방법 및 장치
US6889183B1 (en) * 1999-07-15 2005-05-03 Nortel Networks Limited Apparatus and method of regenerating a lost audio segment
US6614808B1 (en) * 1999-09-02 2003-09-02 International Business Machines Corporation Network packet aggregation
JP2001157183A (ja) * 1999-11-25 2001-06-08 Nec Corp テレビ電話システム
US6816510B1 (en) * 2000-02-09 2004-11-09 Koninklijke Philips Electronics N.V. Method for clock synchronization between nodes in a packet network
JP2001230821A (ja) * 2000-02-16 2001-08-24 Sony Corp データ中継装置および方法、並びに提供媒体
US6704769B1 (en) 2000-04-24 2004-03-09 Polycom, Inc. Media role management in a video conferencing network
US6760780B1 (en) * 2000-05-25 2004-07-06 Microsoft Corporation Method and system for proxying telephony messages
JP3555865B2 (ja) * 2000-08-30 2004-08-18 日本電気株式会社 Ａｔｍ・ネーム・システム
US6445169B1 (en) 2000-12-29 2002-09-03 Volterra Semiconductor Corporation Lag compensating controller having an improved transient response
EP1380166A1 (de) * 2001-02-16 2004-01-14 Sonic Telecom, Ltd. Netzdienst zur rückfallrufweglenkung von videokonferenzen über internet
US7142563B1 (en) * 2001-02-20 2006-11-28 At&T Corp. Service interface for QoS-driven HPNA networks
FR2872654B1 (fr) * 2004-06-30 2006-09-08 Alcatel Sa Procede de re-synchronisation de flux beneficiant de services d'emulation de circuits, pour un reseau de communications a commutation de paquets
US8094667B2 (en) 2008-07-18 2012-01-10 Cisco Technology, Inc. RTP video tunneling through H.221
US8189492B2 (en) * 2009-03-18 2012-05-29 Microsoft Corporation Error recovery in an audio-video multipoint control component
US9191413B2 (en) * 2011-11-01 2015-11-17 T-Mobile Usa, Inc. Synchronizing video and audio over heterogeneous transports
NL2008558C2 (en) 2012-03-29 2013-10-01 Ipn Ip Bv Container closure assemblies.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4764919A (en) * 1986-09-05 1988-08-16 American Telephone And Telegraph Company, At&T Bell Laboratories Virtual PBX call processing method
US5384774A (en) * 1993-01-11 1995-01-24 At&T Corp. Asynchronous transfer mode (ATM) payload synchronizer
US5841763A (en) * 1995-06-13 1998-11-24 Multilink, Inc. Audio-video conferencing system
US5740173A (en) * 1996-02-28 1998-04-14 Telefonaktiebolaget Lm Ericsson Asynchronous transfer mode (ATM) cell arrival monitoring system

Also Published As

Publication number Publication date
DE69838868T2 (de) 2008-12-04
EP0913069A1 (de) 1999-05-06
WO1998049865A1 (en) 1998-11-05
CA2258900C (en) 2003-04-15
EP0913069B1 (de) 2007-12-19
CA2258900A1 (en) 1998-11-05
US6026080A (en) 2000-02-15

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Legal Events

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8364 No opposition during term of opposition