DK389382A - telephone switches - Google Patents

telephone switches Download PDF

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Publication number
DK389382A
DK389382A DK389382A DK389382A DK389382A DK 389382 A DK389382 A DK 389382A DK 389382 A DK389382 A DK 389382A DK 389382 A DK389382 A DK 389382A DK 389382 A DK389382 A DK 389382A
Authority
DK
Denmark
Prior art keywords
special
equipment
connection
subscriber
installation
Prior art date
Application number
DK389382A
Other languages
Danish (da)
Other versions
DK160172C (en
DK160172B (en
Inventor
Dag Poppe
Tore Voeien
Original Assignee
Int Standard Electric 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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Priority to DK389382A priority Critical patent/DK160172C/en
Publication of DK389382A publication Critical patent/DK389382A/en
Publication of DK160172B publication Critical patent/DK160172B/en
Application granted granted Critical
Publication of DK160172C publication Critical patent/DK160172C/en

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Abstract

Forward connection equipment 6 which is arranged in a subscriber installation B is arranged for transferring special calls which are transmitted to this special installation over a telephone network 5, 10 to additional equipment 7, 8 which is arranged together with the subscriber installation. The connection of the extra equipment is dependent upon special identifying signal codes which are transmitted from a calling subscriber A as soon as the connection has been set up between the calling party and the equipment 6. The invention requires no changes to be made to the telephone exchange 5 and no special measures to be taken. <IMAGE>
DK389382A 1982-08-31 1982-08-31 CONNECTING EQUIPMENT FOR USE IN CONNECTION WITH TELEPHONE INSTALLATIONS DK160172C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK389382A DK160172C (en) 1982-08-31 1982-08-31 CONNECTING EQUIPMENT FOR USE IN CONNECTION WITH TELEPHONE INSTALLATIONS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK389382A DK160172C (en) 1982-08-31 1982-08-31 CONNECTING EQUIPMENT FOR USE IN CONNECTION WITH TELEPHONE INSTALLATIONS
DK389382 1982-08-31

Publications (3)

Publication Number Publication Date
DK389382A true DK389382A (en) 1984-03-01
DK160172B DK160172B (en) 1991-02-04
DK160172C DK160172C (en) 1991-07-01

Family

ID=8127949

Family Applications (1)

Application Number Title Priority Date Filing Date
DK389382A DK160172C (en) 1982-08-31 1982-08-31 CONNECTING EQUIPMENT FOR USE IN CONNECTION WITH TELEPHONE INSTALLATIONS

Country Status (1)

Country Link
DK (1) DK160172C (en)

Also Published As

Publication number Publication date
DK160172C (en) 1991-07-01
DK160172B (en) 1991-02-04

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Legal Events

Date Code Title Description
PBP Patent lapsed