GB2122843B - Telephone interface unit - Google Patents

Telephone interface unit

Info

Publication number
GB2122843B
GB2122843B GB08209271A GB8209271A GB2122843B GB 2122843 B GB2122843 B GB 2122843B GB 08209271 A GB08209271 A GB 08209271A GB 8209271 A GB8209271 A GB 8209271A GB 2122843 B GB2122843 B GB 2122843B
Authority
GB
United Kingdom
Prior art keywords
interface unit
telephone interface
telephone
unit
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.)
Expired
Application number
GB08209271A
Other versions
GB2122843A (en
Inventor
Emrys Williams
Allen Timpany
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.)
GUESTEL Ltd
Original Assignee
GUESTEL Ltd
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 GUESTEL Ltd filed Critical GUESTEL Ltd
Priority to GB08209271A priority Critical patent/GB2122843B/en
Publication of GB2122843A publication Critical patent/GB2122843A/en
Application granted granted Critical
Publication of GB2122843B publication Critical patent/GB2122843B/en
Expired 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
GB08209271A 1982-03-30 1982-03-30 Telephone interface unit Expired GB2122843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08209271A GB2122843B (en) 1982-03-30 1982-03-30 Telephone interface unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08209271A GB2122843B (en) 1982-03-30 1982-03-30 Telephone interface unit

Publications (2)

Publication Number Publication Date
GB2122843A GB2122843A (en) 1984-01-18
GB2122843B true GB2122843B (en) 1985-10-30

Family

ID=10529386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08209271A Expired GB2122843B (en) 1982-03-30 1982-03-30 Telephone interface unit

Country Status (1)

Country Link
GB (1) GB2122843B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2303276B (en) * 1995-07-06 1997-09-03 Samsung Electronics Co Ltd Office line incoming call service method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2736045A1 (en) * 1977-08-10 1979-02-22 Siemens Ag METHOD OF ESTABLISHING A CONNECTION VIA TELEPHONE DIALING NETWORK
US4302629A (en) * 1979-03-14 1981-11-24 Teltone Corporation Digital data transmission system
DE2931464C2 (en) * 1979-08-02 1981-10-08 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for connecting a transmission device of a modem to a telephone line
IT1146176B (en) * 1980-02-07 1986-11-12 Italdata Spa INTERFACE DEVICE FOR THE AUTOMATIC MANAGEMENT OF A SWITCHED TELEPHONE LINE

Also Published As

Publication number Publication date
GB2122843A (en) 1984-01-18

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Legal Events

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