WO1997042773A3 - Apparatus and method in support of completing two calls using analog interface to telephone network - Google Patents

Apparatus and method in support of completing two calls using analog interface to telephone network Download PDF

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Publication number
WO1997042773A3
WO1997042773A3 PCT/US1997/007871 US9707871W WO9742773A3 WO 1997042773 A3 WO1997042773 A3 WO 1997042773A3 US 9707871 W US9707871 W US 9707871W WO 9742773 A3 WO9742773 A3 WO 9742773A3
Authority
WO
WIPO (PCT)
Prior art keywords
telephone network
calls
completing
support
analog interface
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.)
Ceased
Application number
PCT/US1997/007871
Other languages
French (fr)
Other versions
WO1997042773A2 (en
Inventor
Frederick Murray Burg
Paul Edward Crouch
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
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Priority to EP97924643A priority Critical patent/EP0864235A2/en
Publication of WO1997042773A2 publication Critical patent/WO1997042773A2/en
Publication of WO1997042773A3 publication Critical patent/WO1997042773A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)

Abstract

An interface apparatus combines multiple calls at a premises that is connected by a single point-of-attachment to a telephone network having a single phone number.
PCT/US1997/007871 1996-05-09 1997-05-09 Apparatus and method in support of completing two calls using analog interface to telephone network Ceased WO1997042773A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP97924643A EP0864235A2 (en) 1996-05-09 1997-05-09 Apparatus and method in support of completing two calls using analog interface to telephone network

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US64730296A 1996-05-09 1996-05-09
US08/647,302 1996-05-09
US73357796A 1996-10-18 1996-10-18
US08/733,577 1996-10-18

Publications (2)

Publication Number Publication Date
WO1997042773A2 WO1997042773A2 (en) 1997-11-13
WO1997042773A3 true WO1997042773A3 (en) 1998-05-07

Family

ID=27095124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1997/007871 Ceased WO1997042773A2 (en) 1996-05-09 1997-05-09 Apparatus and method in support of completing two calls using analog interface to telephone network

Country Status (3)

Country Link
EP (1) EP0864235A2 (en)
CA (1) CA2240906A1 (en)
WO (1) WO1997042773A2 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440307A1 (en) * 1984-11-05 1986-05-22 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for dual-subscriber connections in telecommunications switching systems, in particular telephone switching systems
GB2187611A (en) * 1986-03-05 1987-09-09 Telebit Corp A speech and data multiplexor optimized for use over impaired and bandwidth restricted analog channels
US5182768A (en) * 1991-10-21 1993-01-26 Nitsuko Corporation Digital telephone set capable of being simultaneously used by a plurality of persons by using one transmission line
US5214650A (en) * 1990-11-19 1993-05-25 Ag Communication Systems Corporation Simultaneous voice and data system using the existing two-wire inter-face
EP0653872A1 (en) * 1993-11-15 1995-05-17 AT&T Corp. Conversion of a fax modulation to a data modulation
US5428608A (en) * 1993-12-30 1995-06-27 At&T Corp. Call connection technique
EP0674420A1 (en) * 1994-03-23 1995-09-27 AT&T Corp. Independently switched voice and data calls using a simultaneous voice and data modem

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3440307A1 (en) * 1984-11-05 1986-05-22 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Circuit arrangement for dual-subscriber connections in telecommunications switching systems, in particular telephone switching systems
GB2187611A (en) * 1986-03-05 1987-09-09 Telebit Corp A speech and data multiplexor optimized for use over impaired and bandwidth restricted analog 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
US5182768A (en) * 1991-10-21 1993-01-26 Nitsuko Corporation Digital telephone set capable of being simultaneously used by a plurality of persons by using one transmission line
EP0653872A1 (en) * 1993-11-15 1995-05-17 AT&T Corp. Conversion of a fax modulation to a data modulation
US5428608A (en) * 1993-12-30 1995-06-27 At&T Corp. Call connection technique
EP0674420A1 (en) * 1994-03-23 1995-09-27 AT&T Corp. Independently switched voice and data calls using a simultaneous voice and data modem

Also Published As

Publication number Publication date
CA2240906A1 (en) 1997-11-13
EP0864235A2 (en) 1998-09-16
WO1997042773A2 (en) 1997-11-13

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