GB1119734A - Improvements in or relating to telecommunications exchange systems - Google Patents

Improvements in or relating to telecommunications exchange systems

Info

Publication number
GB1119734A
GB1119734A GB435567A GB435567A GB1119734A GB 1119734 A GB1119734 A GB 1119734A GB 435567 A GB435567 A GB 435567A GB 435567 A GB435567 A GB 435567A GB 1119734 A GB1119734 A GB 1119734A
Authority
GB
United Kingdom
Prior art keywords
exchange systems
relating
telecommunications exchange
jan
fault
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
GB435567A
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of GB1119734A publication Critical patent/GB1119734A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/08Indicating faults in circuits or apparatus
    • H04M3/12Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38Charging, billing or metering by apparatus other than mechanical step-by-step counter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB435567A 1966-01-31 1967-01-30 Improvements in or relating to telecommunications exchange systems Expired GB1119734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1966S0101728 DE1277940B (de) 1966-01-31 1966-01-31 Verfahren zur Fehlererkennung in durch zentrale Einrichtungen gesteuerten Fernmelde-,insbesondere Fernsprechvermittlungsanlagen

Publications (1)

Publication Number Publication Date
GB1119734A true GB1119734A (en) 1968-07-10

Family

ID=7523958

Family Applications (1)

Application Number Title Priority Date Filing Date
GB435567A Expired GB1119734A (en) 1966-01-31 1967-01-30 Improvements in or relating to telecommunications exchange systems

Country Status (7)

Country Link
AT (1) AT274053B (cs)
BE (1) BE693404A (cs)
CH (1) CH445576A (cs)
DE (1) DE1277940B (cs)
ES (1) ES336017A1 (cs)
GB (1) GB1119734A (cs)
NL (1) NL6615364A (cs)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1118274B (de) * 1959-11-06 1961-11-30 Siemens Ag Verfahren und Schaltungsanordnung zur automatischen Ermittlung des Ortes von Fehlern, die in einem nachrichtenverarbeitenden System, insbesondere in einem Fernsprechvermittlungssystem, auftreten

Also Published As

Publication number Publication date
NL6615364A (cs) 1967-08-01
CH445576A (de) 1967-10-31
AT274053B (de) 1969-09-10
DE1277940B (de) 1968-09-19
BE693404A (cs) 1967-07-31
ES336017A1 (es) 1967-12-16

Similar Documents

Publication Publication Date Title
GB1053349A (cs)
GB1067210A (en) Telephone hold program system
GB1068977A (en) Improvements in or relating to switching networks for use in telecommunications exchange systems
SE327219B (cs)
GB1119734A (en) Improvements in or relating to telecommunications exchange systems
GB1456250A (en) Matrix control circuit
GB1034301A (en) Supervisory and remote control systems
GB1342922A (en) Telephone switching system
JPS5360506A (en) Circuit control system
GB1103494A (en) Improvements in or relating to automatic telephone exchange systems
GB1112573A (en) Improvements in or relating to polarised relay circuits and to electrical traffic analysers using such circuits
GB992884A (cs)
CA631334A (en) Crosspoint switching network control system
GB1231973A (cs)
CA623754A (en) Marker circuit for telephone switching systems
GB1074038A (en) Improvements in or relating to telecommunications exchange systems
GB822319A (en) Improvements in or relating to telephone systems
GB734911A (en) Improvements in or relating to telephone systems
CA636580A (en) Automatic telecommunication switching systems
GB1246509A (en) Electric source and control circuits of a telephone apparatus
AU2857763A (en) Signalling in long-distance telecommunication switching systems
ES237473A1 (es) Disposicion selectora con conexion de ensayo o prueba
GB1275727A (en) Improvements in and relating to switching units
CA657626A (en) Automatic telecommunication switching systems
CA671368A (en) Automatic telegraph switching system