AU5482499A - Fast dtmf identification - Google Patents

Fast dtmf identification

Info

Publication number
AU5482499A
AU5482499A AU54824/99A AU5482499A AU5482499A AU 5482499 A AU5482499 A AU 5482499A AU 54824/99 A AU54824/99 A AU 54824/99A AU 5482499 A AU5482499 A AU 5482499A AU 5482499 A AU5482499 A AU 5482499A
Authority
AU
Australia
Prior art keywords
fast
dtmf identification
identification
fast dtmf
dtmf
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.)
Abandoned
Application number
AU54824/99A
Other languages
English (en)
Inventor
Zoran Mladenovic
Edward Morgan
Piyush Patel
Qin Su
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.)
Telogy Networks Inc
Original Assignee
Telogy Networks Inc
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 Telogy Networks Inc filed Critical Telogy Networks Inc
Publication of AU5482499A publication Critical patent/AU5482499A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • 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
    • H04M7/1205—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 where the types of switching equipement comprises PSTN/ISDN equipment and switching equipment of networks other than PSTN/ISDN, e.g. Internet Protocol networks
    • H04M7/1295—Details of dual tone multiple frequency signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/64—Hybrid switching systems
    • H04L12/6418—Hybrid transport
    • H04L2012/6475—N-ISDN, Public Switched Telephone Network [PSTN]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
AU54824/99A 1999-08-12 1999-08-13 Fast dtmf identification Abandoned AU5482499A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US37420399A 1999-08-12 1999-08-12
US09374203 1999-08-12
PCT/US1999/018401 WO2001013586A1 (fr) 1999-08-12 1999-08-13 Identification de dtmf rapide

Publications (1)

Publication Number Publication Date
AU5482499A true AU5482499A (en) 2001-03-13

Family

ID=23475770

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54824/99A Abandoned AU5482499A (en) 1999-08-12 1999-08-13 Fast dtmf identification

Country Status (4)

Country Link
EP (1) EP1121786A4 (fr)
JP (1) JP2003507933A (fr)
AU (1) AU5482499A (fr)
WO (1) WO2001013586A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7035293B2 (en) * 2001-04-18 2006-04-25 Broadcom Corporation Tone relay
US20030194082A1 (en) 2002-04-15 2003-10-16 Eli Shoval Method and apparatus for transmitting signaling tones over a packet switched network
CN102790958B (zh) * 2012-06-29 2016-03-30 华为终端有限公司 一种传输信令的方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1268570A (fr) * 1987-08-14 1990-05-01 Melvin J. Roberts Detecteur de tonalites telephoniques
US5295178A (en) * 1990-12-03 1994-03-15 Ericsson Ge Mobile Communications Inc. Digital signal processor for radio base station
EP0734185A2 (fr) * 1995-03-23 1996-09-25 Hughes Electronics Transmission multifréquence à deux tonalités dans un réseau de communication vocal
US5721729A (en) * 1996-01-24 1998-02-24 Klingman; Edwin E. Universal input call processing system

Also Published As

Publication number Publication date
EP1121786A1 (fr) 2001-08-08
JP2003507933A (ja) 2003-02-25
EP1121786A4 (fr) 2007-05-30
WO2001013586A1 (fr) 2001-02-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase