WO2003058403A3 - Method and apparatus for wideband conferencing - Google Patents
Method and apparatus for wideband conferencing Download PDFInfo
- Publication number
- WO2003058403A3 WO2003058403A3 PCT/US2002/041778 US0241778W WO03058403A3 WO 2003058403 A3 WO2003058403 A3 WO 2003058403A3 US 0241778 W US0241778 W US 0241778W WO 03058403 A3 WO03058403 A3 WO 03058403A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wideband
- communications devices
- line conditions
- audio
- connection
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0024—Services and arrangements where telephone services are combined with data services
- H04M7/0057—Services where the data services network provides a telephone service in addition or as an alternative, e.g. for backup purposes, to the telephone service provided by the telephone services network
-
- 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
- H04M3/567—Multimedia conference systems
-
- 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
- H04M3/42127—Systems providing several special services or facilities from groups H04M3/42008 - H04M3/58
-
- 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
- H04M7/12—Arrangements for interconnection between switching centres for working between exchanges having different types of switching equipment, e.g. power-driven and step by step or decimal and non-decimal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Engineering & Computer Science (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Telephonic Communication Services (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02806278A EP1464142A4 (en) | 2001-12-31 | 2002-12-31 | Method and apparatus for wideband conferencing |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34592901P | 2001-12-31 | 2001-12-31 | |
US60/345,929 | 2001-12-31 | ||
US36098402P | 2002-03-01 | 2002-03-01 | |
US60/360,984 | 2002-03-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003058403A2 WO2003058403A2 (en) | 2003-07-17 |
WO2003058403A3 true WO2003058403A3 (en) | 2003-09-04 |
Family
ID=26994610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2002/041778 WO2003058403A2 (en) | 2001-12-31 | 2002-12-31 | Method and apparatus for wideband conferencing |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1464142A4 (en) |
WO (1) | WO2003058403A2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060034299A1 (en) * | 2003-11-03 | 2006-02-16 | Farhad Barzegar | Systems, methods, and devices for processing audio signals |
JP4349100B2 (en) | 2003-11-21 | 2009-10-21 | 沖電気工業株式会社 | Voice communication system and management server |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3573377A (en) * | 1969-02-24 | 1971-04-06 | Bell Telephone Labor Inc | Equipment to coordinate establishment of audio and video connections through switching systems |
US3612767A (en) * | 1969-06-11 | 1971-10-12 | Bell Telephone Labor Inc | Equipment for selectively establishing audio and wideband communication paths through two autonomous switching systems |
US3649761A (en) * | 1970-01-23 | 1972-03-14 | Bell Telephone Labor Inc | Dial selective wideband intercommunication system |
US4257119A (en) * | 1978-12-29 | 1981-03-17 | Wescom Switching, Inc. | PCM switching system for wide and narrow band signals |
US4763317A (en) * | 1985-12-13 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital communication network architecture for providing universal information services |
US5677728A (en) * | 1982-02-24 | 1997-10-14 | Schoolman Scientific Corporation | Stereoscopic video telecommunication system |
US6130880A (en) * | 1998-03-20 | 2000-10-10 | 3Com Corporation | Method and apparatus for adaptive prioritization of multiple information types in highly congested communication devices |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2126927C (en) * | 1994-02-24 | 1999-01-26 | Sidhartha Maitra | Noncompressed voice and data communication over modem for a computer-based multifunction personal communications system |
-
2002
- 2002-12-31 EP EP02806278A patent/EP1464142A4/en not_active Withdrawn
- 2002-12-31 WO PCT/US2002/041778 patent/WO2003058403A2/en not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3573377A (en) * | 1969-02-24 | 1971-04-06 | Bell Telephone Labor Inc | Equipment to coordinate establishment of audio and video connections through switching systems |
US3612767A (en) * | 1969-06-11 | 1971-10-12 | Bell Telephone Labor Inc | Equipment for selectively establishing audio and wideband communication paths through two autonomous switching systems |
US3649761A (en) * | 1970-01-23 | 1972-03-14 | Bell Telephone Labor Inc | Dial selective wideband intercommunication system |
US4257119A (en) * | 1978-12-29 | 1981-03-17 | Wescom Switching, Inc. | PCM switching system for wide and narrow band signals |
US5677728A (en) * | 1982-02-24 | 1997-10-14 | Schoolman Scientific Corporation | Stereoscopic video telecommunication system |
US4763317A (en) * | 1985-12-13 | 1988-08-09 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital communication network architecture for providing universal information services |
US6130880A (en) * | 1998-03-20 | 2000-10-10 | 3Com Corporation | Method and apparatus for adaptive prioritization of multiple information types in highly congested communication devices |
Non-Patent Citations (5)
Title |
---|
HAOJUN ET AL.: "Implementing an audio multipoint processor on DSP array", IEEE, May 2001 (2001-05-01), pages 441 - 444, XP010544757 * |
JUNG ET AL.: "The multimedia desktop conference system adaptability in network traffic on LAN", IEEE, 1995, pages 334 - 338, XP002106182 * |
NOORE ET AL.: "Computer-based multimedia video conference system", IEEE, 1993, pages 587 - 591, XP000396336 * |
SASSE ET AL.: "Workstation-based multimedia conferencing: experiences from the MICE project", IEE, 1994, pages 1 - 6, XP002965553 * |
See also references of EP1464142A4 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003058403A2 (en) | 2003-07-17 |
EP1464142A2 (en) | 2004-10-06 |
EP1464142A4 (en) | 2005-04-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2001084341A8 (en) | System and method for inter-domain mobility management | |
WO2002056569A3 (en) | Telecommunication data compression apparatus and method | |
WO2003013115A3 (en) | A method for seamless port capability for an alternative service provider | |
WO2001082559A3 (en) | Proxy apparatus and method | |
AU2002320284A1 (en) | Methods, apparatus, and systems for accessing mobile and voice over ip telephone networks with a mobile handset | |
WO2002025822A3 (en) | Multimedia communications over power lines | |
EP1244282A3 (en) | Method and Apparatus for Local Generation of Media Content for Callers put on hold | |
MXPA02009795A (en) | Method and apparatus for enabling multimedia calls using session initiation protocol. | |
GB0422132D0 (en) | Method and apparatus for performing a secure transaction in a trusted network | |
CA2280277A1 (en) | Multimedia channel management through pstn signaling | |
DK0683947T3 (en) | Method and apparatus for reducing transmission of repetitive scattering diagrams via communication link | |
AU2003225662A1 (en) | A method and apparatus for connecting packet telephony calls between secure and non-secure networks | |
EP2833601A3 (en) | Soft handoff across different networks assisted by an end-to-end application protocol | |
AU2003262667A1 (en) | Methods and apparatus for simultaneous independent voice and data services using a remote subscriber identity module (sim) | |
AU2002230150A1 (en) | Device and method for mediating between questioner and answerer by using mobile telephone | |
AU2002212664A1 (en) | Apparatus and method for improving the quality of video communication over a packet-based network | |
WO2003045044A3 (en) | System and method for charging in a communication network | |
WO2003021914A3 (en) | System and method for enabling communication between video-enabled and non-video-enabled communication devices | |
EP4109934A4 (en) | Data stream transmission method, terminal and network device | |
AU2002340837A1 (en) | Methods and device for interfacing communication between devices on different networks | |
ATE415050T1 (en) | METHOD FOR ADJUSTING TRANSMISSION SPEED | |
WO2002103951A3 (en) | Methods and apparatus for supporting session signaling and mobility management in a communications system | |
WO2003058403A3 (en) | Method and apparatus for wideband conferencing | |
WO2002051102A3 (en) | Method of providing high-speed digital services over a switched telephone network | |
AU2003295362A1 (en) | Method and apparatus for billing voice calls over an internet protocol network according to bandwidth criteria |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): JP |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2002806278 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2002806278 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Country of ref document: JP |