GB2205016B - Automatic telephone answering device - Google Patents

Automatic telephone answering device

Info

Publication number
GB2205016B
GB2205016B GB8706621A GB8706621A GB2205016B GB 2205016 B GB2205016 B GB 2205016B GB 8706621 A GB8706621 A GB 8706621A GB 8706621 A GB8706621 A GB 8706621A GB 2205016 B GB2205016 B GB 2205016B
Authority
GB
United Kingdom
Prior art keywords
answering device
automatic telephone
telephone answering
automatic
telephone
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 - Lifetime
Application number
GB8706621A
Other versions
GB8706621D0 (en
GB2205016A (en
Inventor
John Robert Parkin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8706621A priority Critical patent/GB2205016B/en
Publication of GB8706621D0 publication Critical patent/GB8706621D0/en
Publication of GB2205016A publication Critical patent/GB2205016A/en
Application granted granted Critical
Publication of GB2205016B publication Critical patent/GB2205016B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/663—Preventing unauthorised calls to a telephone set
    • H04M1/665—Preventing unauthorised calls to a telephone set by checking the validity of a code
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
GB8706621A 1987-03-20 1987-03-20 Automatic telephone answering device Expired - Lifetime GB2205016B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8706621A GB2205016B (en) 1987-03-20 1987-03-20 Automatic telephone answering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8706621A GB2205016B (en) 1987-03-20 1987-03-20 Automatic telephone answering device

Publications (3)

Publication Number Publication Date
GB8706621D0 GB8706621D0 (en) 1987-04-23
GB2205016A GB2205016A (en) 1988-11-23
GB2205016B true GB2205016B (en) 1990-11-21

Family

ID=10614305

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8706621A Expired - Lifetime GB2205016B (en) 1987-03-20 1987-03-20 Automatic telephone answering device

Country Status (1)

Country Link
GB (1) GB2205016B (en)

Also Published As

Publication number Publication date
GB8706621D0 (en) 1987-04-23
GB2205016A (en) 1988-11-23

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Legal Events

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