GB9115967D0 - Telephone ring suppression - Google Patents

Telephone ring suppression

Info

Publication number
GB9115967D0
GB9115967D0 GB919115967A GB9115967A GB9115967D0 GB 9115967 D0 GB9115967 D0 GB 9115967D0 GB 919115967 A GB919115967 A GB 919115967A GB 9115967 A GB9115967 A GB 9115967A GB 9115967 D0 GB9115967 D0 GB 9115967D0
Authority
GB
United Kingdom
Prior art keywords
telephone ring
ring suppression
suppression
telephone
ring
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.)
Pending
Application number
GB919115967A
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.)
JEKYLL ELECTRONIC TECHNOLOGY L
Original Assignee
JEKYLL ELECTRONIC TECHNOLOGY L
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 JEKYLL ELECTRONIC TECHNOLOGY L filed Critical JEKYLL ELECTRONIC TECHNOLOGY L
Priority to GB919115967A priority Critical patent/GB9115967D0/en
Publication of GB9115967D0 publication Critical patent/GB9115967D0/en
Priority to GB9215529A priority patent/GB2258788A/en
Pending 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements
    • H04M1/715—Substation extension arrangements using two or more extensions per line
    • 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H04M19/045—Call privacy arrangements, e.g. timely inhibiting the ring signal
GB919115967A 1991-07-24 1991-07-24 Telephone ring suppression Pending GB9115967D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB919115967A GB9115967D0 (en) 1991-07-24 1991-07-24 Telephone ring suppression
GB9215529A GB2258788A (en) 1991-07-24 1992-07-22 Delaying telephone ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919115967A GB9115967D0 (en) 1991-07-24 1991-07-24 Telephone ring suppression

Publications (1)

Publication Number Publication Date
GB9115967D0 true GB9115967D0 (en) 1991-09-11

Family

ID=10698886

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919115967A Pending GB9115967D0 (en) 1991-07-24 1991-07-24 Telephone ring suppression
GB9215529A Withdrawn GB2258788A (en) 1991-07-24 1992-07-22 Delaying telephone ring

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9215529A Withdrawn GB2258788A (en) 1991-07-24 1992-07-22 Delaying telephone ring

Country Status (1)

Country Link
GB (2) GB9115967D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753415A1 (en) * 1997-12-02 1999-06-10 Cit Alcatel Switching device for switching between a telephone device and an additional device, as well as answering machine and fax switch with such a switching device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3441132A1 (en) * 1984-11-10 1986-05-15 Sperrsignalbau-Gesellschaft Mbh, 1000 Berlin Call-delaying device
US5029202A (en) * 1990-03-19 1991-07-02 Doernbach Jr Robert C Incoming telephone call director
FR2662563A1 (en) * 1990-05-22 1991-11-29 Dolphin Integration Sa TELEPHONE SYSTEM WITH MULTIPLE TELEPHONE TERMINALS ON A SINGLE LINE.

Also Published As

Publication number Publication date
GB9215529D0 (en) 1992-09-02
GB2258788A (en) 1993-02-17

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