GB1334611A - Telephone exchange systems - Google Patents

Telephone exchange systems

Info

Publication number
GB1334611A
GB1334611A GB5375871A GB5375871A GB1334611A GB 1334611 A GB1334611 A GB 1334611A GB 5375871 A GB5375871 A GB 5375871A GB 5375871 A GB5375871 A GB 5375871A GB 1334611 A GB1334611 A GB 1334611A
Authority
GB
United Kingdom
Prior art keywords
operator
call
network
register
connection
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
GB5375871A
Other languages
English (en)
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1334611A publication Critical patent/GB1334611A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
GB5375871A 1970-11-20 1971-11-19 Telephone exchange systems Expired GB1334611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702057145 DE2057145B2 (de) 1970-11-20 1970-11-20 Schaltungsanordnung fuer eine fernsprechanlage insbesondere fernsprechnebenstellenanlage mit ueberweisung von an vermittlungsplaetzen ankommenden anrufen und andere zielplaetze

Publications (1)

Publication Number Publication Date
GB1334611A true GB1334611A (en) 1973-10-24

Family

ID=5788684

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5375871A Expired GB1334611A (en) 1970-11-20 1971-11-19 Telephone exchange systems

Country Status (10)

Country Link
AT (1) AT315921B (enExample)
BE (1) BE775572A (enExample)
CH (1) CH530743A (enExample)
DE (1) DE2057145B2 (enExample)
FR (1) FR2114782A5 (enExample)
GB (1) GB1334611A (enExample)
IT (1) IT940724B (enExample)
LU (1) LU64297A1 (enExample)
NL (1) NL7115996A (enExample)
SE (1) SE381546B (enExample)

Also Published As

Publication number Publication date
IT940724B (it) 1973-02-20
DE2057145B2 (de) 1972-03-16
FR2114782A5 (enExample) 1972-06-30
CH530743A (de) 1972-11-15
SE381546B (sv) 1975-12-08
NL7115996A (enExample) 1972-05-24
AT315921B (de) 1974-06-25
DE2057145A1 (enExample) 1972-03-16
LU64297A1 (enExample) 1972-06-02
BE775572A (fr) 1972-05-19

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Legal Events

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