AU5957798A - Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel - Google Patents

Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel

Info

Publication number
AU5957798A
AU5957798A AU59577/98A AU5957798A AU5957798A AU 5957798 A AU5957798 A AU 5957798A AU 59577/98 A AU59577/98 A AU 59577/98A AU 5957798 A AU5957798 A AU 5957798A AU 5957798 A AU5957798 A AU 5957798A
Authority
AU
Australia
Prior art keywords
methods
voice channel
digital cellular
cellular voice
providing transparency
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
AU59577/98A
Inventor
Robert Kavaler
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.)
Diva Communications Inc
Original Assignee
Diva Communications 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 Diva Communications Inc filed Critical Diva Communications Inc
Publication of AU5957798A publication Critical patent/AU5957798A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
    • H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling
    • H04Q1/457—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals
    • H04Q1/4575—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling with conversion of multifrequency signals into digital signals which are transmitted in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)
AU59577/98A 1996-12-19 1997-12-19 Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel Abandoned AU5957798A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77061796A 1996-12-19 1996-12-19
US08770617 1996-12-19
PCT/US1997/024222 WO1998027758A2 (en) 1996-12-19 1997-12-19 Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel

Publications (1)

Publication Number Publication Date
AU5957798A true AU5957798A (en) 1998-07-15

Family

ID=25089169

Family Applications (1)

Application Number Title Priority Date Filing Date
AU59577/98A Abandoned AU5957798A (en) 1996-12-19 1997-12-19 Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel

Country Status (2)

Country Link
AU (1) AU5957798A (en)
WO (1) WO1998027758A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351495B1 (en) * 1998-08-28 2002-02-26 Lucent Technologies Inc. Apparatus and method for conveying TTY signals over wireless telecommunication systems
US6434198B1 (en) * 1998-08-28 2002-08-13 Lucent Technologies Inc. Method for conveying TTY signals over wireless communication systems
US6622275B2 (en) 1998-09-12 2003-09-16 Qualcomm, Incorporated Method and apparatus supporting TDD/TTY modulation over vocoded channels
UA70375C2 (en) * 1999-08-04 2004-10-15 Квалкомм Інкорпорейтид Method for transmitting buadot tones (variants) and a device for the realization of the method
US6791976B2 (en) * 1999-12-28 2004-09-14 Lucent Technologies Inc. Mobile-to-mobile DTMF signaling in tandem free operation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06133367A (en) * 1992-09-23 1994-05-13 Walt Disney Co:The Method and apparatus for remote synchronization of audio, illumination, animation and special effect
GB2290005B (en) * 1994-05-28 1998-09-09 Motorola Ltd Communications system
CA2171485C (en) * 1995-03-23 1999-10-12 Shrirang Jangi Dtmf tone passer in a voice communication system
FI100932B (en) * 1995-04-12 1998-03-13 Nokia Telecommunications Oy Transmission of audio frequency signals in a radiotelephone system

Also Published As

Publication number Publication date
WO1998027758A3 (en) 1999-04-01
WO1998027758A2 (en) 1998-06-25

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