CA2361497A1 - Wireless push-to-talk internet broadcast - Google Patents

Wireless push-to-talk internet broadcast Download PDF

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Publication number
CA2361497A1
CA2361497A1 CA002361497A CA2361497A CA2361497A1 CA 2361497 A1 CA2361497 A1 CA 2361497A1 CA 002361497 A CA002361497 A CA 002361497A CA 2361497 A CA2361497 A CA 2361497A CA 2361497 A1 CA2361497 A1 CA 2361497A1
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CA
Canada
Prior art keywords
voice
data
base station
server
wireless
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.)
Granted
Application number
CA002361497A
Other languages
French (fr)
Other versions
CA2361497C (en
Inventor
David J. Ross
Arnold J. Gum
Paul E. Jacobs
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.)
Qualcomm Inc
Original Assignee
Qualcomm Incorporated
David J. Ross
Arnold J. Gum
Paul E. Jacobs
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 Qualcomm Incorporated, David J. Ross, Arnold J. Gum, Paul E. Jacobs filed Critical Qualcomm Incorporated
Publication of CA2361497A1 publication Critical patent/CA2361497A1/en
Application granted granted Critical
Publication of CA2361497C publication Critical patent/CA2361497C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04L65/40—Support for services or applications
    • H04L65/4061—Push-to services, e.g. push-to-talk or push-to-video
    • 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
    • H04L65/1016—IP multimedia subsystem [IMS]

Abstract

A wireless telephone (302) digitizes the voice of the user in response to the depression of a push-to-talk button (110), either phys-ical or virtual. It sends the digitized voice, in data mode, to a base station (308). The base station places the data, through the In-ternet, or an Intranet or Extranet, on a server (312). Other wireless phones (304-306) re-cover the data from the server through the same (308) or different (310) base station, through the Internet, Intranet, or Extranet, and convert the data back to digitized voice. The base stations transmit the digitized voice to other wireless telephones (306), which convert them back to voice in response to the recogni-tion of voice frames on the data channel by the CODEC manager software. Networked computers (314) may be configured to emu-late a combined base station and wireless telephone. The server can dynamically designate any wireless telephone (or landline emulation) as the broadcaster, and can dynamically con-figure any set of telephones/emulations as the receivers of the broadcast.
CA002361497A 1999-02-05 1999-12-14 Wireless push-to-talk internet broadcast Expired - Fee Related CA2361497C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US11919599P 1999-02-05 1999-02-05
US60/119,195 1999-02-05
US12262999P 1999-03-03 1999-03-03
US60/122,629 1999-03-03
US09/365,964 1999-08-02
US09/365,964 US6360093B1 (en) 1999-02-05 1999-08-02 Wireless push-to-talk internet broadcast
PCT/US1999/029655 WO2000047005A1 (en) 1999-02-05 1999-12-14 Wireless push-to-talk internet broadcast

Publications (2)

Publication Number Publication Date
CA2361497A1 true CA2361497A1 (en) 2000-08-10
CA2361497C CA2361497C (en) 2008-01-29

Family

ID=27382264

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002361497A Expired - Fee Related CA2361497C (en) 1999-02-05 1999-12-14 Wireless push-to-talk internet broadcast

Country Status (12)

Country Link
US (2) US6360093B1 (en)
EP (1) EP1147674B1 (en)
JP (1) JP4541563B2 (en)
KR (1) KR100665433B1 (en)
CN (1) CN1168334C (en)
AU (1) AU764864B2 (en)
CA (1) CA2361497C (en)
DE (1) DE69936267T2 (en)
HK (1) HK1043901B (en)
IL (2) IL144485A0 (en)
NO (1) NO325720B1 (en)
WO (1) WO2000047005A1 (en)

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US6917799B2 (en) 2005-07-12

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