CA2141352A1 - Independently switched voice and data calls using a simultaneous voice and data modem - Google Patents

Independently switched voice and data calls using a simultaneous voice and data modem

Info

Publication number
CA2141352A1
CA2141352A1 CA002141352A CA2141352A CA2141352A1 CA 2141352 A1 CA2141352 A1 CA 2141352A1 CA 002141352 A CA002141352 A CA 002141352A CA 2141352 A CA2141352 A CA 2141352A CA 2141352 A1 CA2141352 A1 CA 2141352A1
Authority
CA
Canada
Prior art keywords
voice
data
user
modem
svd
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
CA002141352A
Other languages
English (en)
French (fr)
Inventor
Kenneth David Ko
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
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2141352A1 publication Critical patent/CA2141352A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
CA002141352A 1994-03-23 1995-01-30 Independently switched voice and data calls using a simultaneous voice and data modem Abandoned CA2141352A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/216,373 US5684825A (en) 1994-03-23 1994-03-23 Independently switched voice and data calls using a simultaneous voice and data modem
US216,373 1994-03-23

Publications (1)

Publication Number Publication Date
CA2141352A1 true CA2141352A1 (en) 1995-09-24

Family

ID=22806802

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002141352A Abandoned CA2141352A1 (en) 1994-03-23 1995-01-30 Independently switched voice and data calls using a simultaneous voice and data modem

Country Status (8)

Country Link
US (1) US5684825A (en, 2012)
EP (1) EP0674420A1 (en, 2012)
JP (1) JPH07273902A (en, 2012)
KR (1) KR950035272A (en, 2012)
CN (1) CN1122991A (en, 2012)
CA (1) CA2141352A1 (en, 2012)
IL (1) IL113042A0 (en, 2012)
TW (1) TW274664B (en, 2012)

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US6173044B1 (en) * 1996-02-06 2001-01-09 International Business Machines Corporation Multipoint simultaneous voice and data services using a media splitter gateway architecture
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WO1997042773A2 (en) * 1996-05-09 1997-11-13 At & T Corp. Apparatus and method in support of completing two calls using analog interface to telephone network
US6427007B1 (en) 1996-05-09 2002-07-30 At&T Corporation System and method for completing a call while at least one call is established using analog interface to telephone network
US6411695B1 (en) 1996-05-09 2002-06-25 At&T Corporation System and method for completing two calls using analog interface to telephone network
US6067317A (en) * 1996-05-17 2000-05-23 Lucent Technologies Inc. Computer bus resource port
US5995618A (en) * 1996-07-08 1999-11-30 At&T Corp Method for redirecting traffic on a communications network for conservation of network resources
US5901202A (en) * 1996-10-11 1999-05-04 At&T Corp Method for initiating a telephone call on a remote line
US6904037B2 (en) * 1996-11-05 2005-06-07 Cisco Technology, Inc. Asymmetric implementation of DSVD for voice/data internet access
US6253247B1 (en) * 1996-11-21 2001-06-26 Ragula Systems System and method for transmitting a user's data packets concurrently over different telephone lines between two computer networks
US5946304A (en) * 1997-01-08 1999-08-31 Paradyne Corporation Method and apparatus for controlling the operation of a modem capable of transmitting and receiving both voice and data signals
US5862211A (en) * 1997-01-13 1999-01-19 Lucent Technologies Inc. Automatic simultaneous voice-and-data call setup for remote-site servicing
US6408056B1 (en) * 1997-02-26 2002-06-18 Paradyne Corporationlargo Local loop interceder
US6084885A (en) * 1997-02-26 2000-07-04 Paradyne Corporation Apparatus and method for DSP sharing using statistical properties of data
WO1998051098A1 (en) * 1997-05-06 1998-11-12 At & T Corp. System and method for completing two calls using analog interface to telephone network
JP3610185B2 (ja) * 1997-05-08 2005-01-12 キヤノン株式会社 通信装置及び通信方法
US6310864B1 (en) * 1997-06-19 2001-10-30 Paradyne Corporation Voice echo cancellation for SVD modems
US6407995B1 (en) * 1997-08-14 2002-06-18 Lucent Technologies Inc. Independently switched voice and data calls using a single PSTN line connection
EP0898409A3 (en) * 1997-08-19 2004-01-07 Nortel Networks Limited Communication system architecture, exchange and method of operation
KR100420777B1 (ko) * 1997-11-28 2004-03-02 인터내셔널 비지네스 머신즈 코포레이션 클라이언트-서버 시스템에서 확장 트랜잭션의 처리
US6151335A (en) 1997-12-02 2000-11-21 Conexant Systems, Inc. Modulation switching for DSL signal transmission
US9432172B2 (en) 1997-12-05 2016-08-30 Rembrandt Wireless Technologies, Lp System and method of communication using at least two modulation methods
US7248626B2 (en) 1997-12-05 2007-07-24 Paradyne Corporation System and method of communication via embedded modulation
AU1715999A (en) * 1997-12-10 1999-06-28 Ericsson Inc. System and method for dual-mode speech and data interface with a selection signal
US6621514B1 (en) * 1998-03-12 2003-09-16 Intel Corporation Video conferencing system
US6639911B1 (en) * 1998-03-31 2003-10-28 Texas Instruments Incorporated Data communications system with splitterless operation
US6747995B1 (en) 1998-09-21 2004-06-08 Lucent Technologies Inc. System for multiple voice lines with data over a single subscriber loop
US6614801B1 (en) * 1998-11-13 2003-09-02 Digi International Inc. Circuits and methods for detecting the mode of a telecommunications signal
US6690776B1 (en) 1999-04-12 2004-02-10 Conexant Systems, Inc. Communication on hold notifier
US6731726B1 (en) 1999-04-12 2004-05-04 Conexant Systems, Inc. Communication on hold
US6704399B1 (en) * 1999-04-12 2004-03-09 Conexant Systems, Inc. Quick connect parameter exchange
US6819749B1 (en) * 1999-04-12 2004-11-16 Mindspeed Technologies, Inc. Method and apparatus for fast V.90 modem startup
US6912276B1 (en) * 1999-04-12 2005-06-28 Silicon Laboratories, Inc. Modem on hold
USRE42661E1 (en) 1999-04-12 2011-08-30 V-Dot Technologies, Llc Method and apparatus for fast V.90 modem startup
US6412029B1 (en) 1999-04-29 2002-06-25 Agere Systems Guardian Corp. Method and apparatus for interfacing between a digital signal processor and a baseband circuit for wireless communication system
JP3472217B2 (ja) * 1999-12-28 2003-12-02 株式会社エヌ・ティ・ティ・ドコモ 仮想端末構成方法及びそのシステム
US6738474B1 (en) 2000-02-23 2004-05-18 Eci Telecom, Ltd. System for providing pots splitters externally with respect to digital subscriber loop access multiplexers and remote terminal and central office equipment racks
US6400815B1 (en) 2000-05-23 2002-06-04 At&T Corp. Method and apparatus for subscriber line to telephone call distribution
US6724869B2 (en) * 2001-07-31 2004-04-20 International Business Machines Corporation Multimodal telephone numbers
US6829342B2 (en) * 2002-04-30 2004-12-07 Bellsouth Intellectual Property Corporation System and method for handling voice calls and data calls
US8031842B1 (en) 2006-07-05 2011-10-04 Avaya Inc. Dual modern architecture to support the transfer of non-Baudot TTY telephone calls
US8135114B2 (en) * 2007-08-06 2012-03-13 Mspot, Inc. Method and apparatus for creating an answer tone for a computing device with phone capabilities or a telephone
CN102932956A (zh) * 2012-10-23 2013-02-13 上海优思通信科技有限公司 利用双模手机实现上网与通信的方法

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Publication number Priority date Publication date Assignee Title
US4589107A (en) * 1982-11-30 1986-05-13 Itt Corporation Simultaneous voice and data communication and data base access in a switching system using a combined voice conference and data base processing module
US4593389A (en) * 1984-06-28 1986-06-03 Henry Wurzburg Simultaneous voice and asynchronous data telephone
NO853772L (no) * 1984-11-02 1986-05-05 Universal Data Systems Inc Fremgangsmaate for etablering av en kommunikasjonskanal, modem-kommunikasjonssystem og mikroprossesorstyrt modem.
US4644527A (en) * 1985-04-29 1987-02-17 At&T Bell Laboratories Interface unit for transferring voice and data signals
US4782482A (en) * 1985-09-23 1988-11-01 Alcatel Standard Electrica S.A. Simultaneous voice and data communications system
US4689788A (en) * 1985-11-04 1987-08-25 Motorola, Inc. Method and apparatus for implementing a cost efficient voice/data communication system with a conventional PBX switch
US4849811A (en) * 1988-07-06 1989-07-18 Ben Kleinerman Simultaneous audio and video transmission with restricted bandwidth
US5036513A (en) * 1989-06-21 1991-07-30 Academy Of Applied Science Method of and apparatus for integrated voice (audio) communication simultaneously with "under voice" user-transparent digital data between telephone instruments
US5063574A (en) * 1990-03-06 1991-11-05 Moose Paul H Multi-frequency differentially encoded digital communication for high data rate transmission through unequalized channels
US5214650A (en) * 1990-11-19 1993-05-25 Ag Communication Systems Corporation Simultaneous voice and data system using the existing two-wire inter-face
DE9205844U1 (de) * 1992-04-30 1992-08-27 Siemens AG, 8000 München Kommunikationsnebenstellenanlage
US5537436A (en) * 1993-06-14 1996-07-16 At&T Corp. Simultaneous analog and digital communication applications
US5428608A (en) * 1993-12-30 1995-06-27 At&T Corp. Call connection technique

Also Published As

Publication number Publication date
EP0674420A1 (en) 1995-09-27
CN1122991A (zh) 1996-05-22
IL113042A0 (en) 1995-06-29
TW274664B (en, 2012) 1996-04-21
JPH07273902A (ja) 1995-10-20
KR950035272A (ko) 1995-12-30
US5684825A (en) 1997-11-04

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued