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GB2350016B - Method and apparatus for providing a derived digital telephone voice channel - Google Patents

Method and apparatus for providing a derived digital telephone voice channel

Info

Publication number
GB2350016B
GB2350016B GB0020595A GB0020595A GB2350016B GB 2350016 B GB2350016 B GB 2350016B GB 0020595 A GB0020595 A GB 0020595A GB 0020595 A GB0020595 A GB 0020595A GB 2350016 B GB2350016 B GB 2350016B
Authority
GB
United Kingdom
Prior art keywords
providing
voice channel
digital telephone
telephone voice
derived digital
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.)
Expired - Fee Related
Application number
GB0020595A
Other versions
GB0020595D0 (en
GB2350016A (en
Inventor
Wilbur John Walkoe
James Stewart Barber
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 Teleholdings Inc
Original Assignee
Ameritech 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 Ameritech Corp filed Critical Ameritech Corp
Priority claimed from GB9723213A external-priority patent/GB2321365B/en
Publication of GB0020595D0 publication Critical patent/GB0020595D0/en
Publication of GB2350016A publication Critical patent/GB2350016A/en
Application granted granted Critical
Publication of GB2350016B publication Critical patent/GB2350016B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Telephonic Communication Services (AREA)
GB0020595A 1996-11-01 1997-11-03 Method and apparatus for providing a derived digital telephone voice channel Expired - Fee Related GB2350016B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US74216496A 1996-11-01 1996-11-01
GB9723213A GB2321365B (en) 1996-11-01 1997-11-03 Method and apparatus for providing a derived digital telephone voice channel

Publications (3)

Publication Number Publication Date
GB0020595D0 GB0020595D0 (en) 2000-10-11
GB2350016A GB2350016A (en) 2000-11-15
GB2350016B true GB2350016B (en) 2001-02-21

Family

ID=26312537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0020595A Expired - Fee Related GB2350016B (en) 1996-11-01 1997-11-03 Method and apparatus for providing a derived digital telephone voice channel

Country Status (1)

Country Link
GB (1) GB2350016B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029814A1 (en) * 1995-03-20 1996-09-26 Raychem Corporation Voice and data communications
EP0740451A1 (en) * 1995-04-24 1996-10-30 ALCATEL BELL Naamloze Vennootschap Method, interface modules and telephone network for multiplexing and demultiplexing an analog MTS (message telephone service) signal and an ADSL (asymmetric digital subscriber line) datastream

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029814A1 (en) * 1995-03-20 1996-09-26 Raychem Corporation Voice and data communications
EP0740451A1 (en) * 1995-04-24 1996-10-30 ALCATEL BELL Naamloze Vennootschap Method, interface modules and telephone network for multiplexing and demultiplexing an analog MTS (message telephone service) signal and an ADSL (asymmetric digital subscriber line) datastream

Also Published As

Publication number Publication date
GB0020595D0 (en) 2000-10-11
GB2350016A (en) 2000-11-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20091103