CH548715A - CIRCUIT ARRANGEMENT FOR ESTABLISHING COLLECTIVE CONNECTIONS IN A PCM TELEPHONE SWITCHING CENTER. - Google Patents

CIRCUIT ARRANGEMENT FOR ESTABLISHING COLLECTIVE CONNECTIONS IN A PCM TELEPHONE SWITCHING CENTER.

Info

Publication number
CH548715A
CH548715A CH1326271A CH1326271A CH548715A CH 548715 A CH548715 A CH 548715A CH 1326271 A CH1326271 A CH 1326271A CH 1326271 A CH1326271 A CH 1326271A CH 548715 A CH548715 A CH 548715A
Authority
CH
Switzerland
Prior art keywords
circuit arrangement
switching center
telephone switching
pcm telephone
establishing
Prior art date
Application number
CH1326271A
Other languages
German (de)
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
Priority claimed from DE19702048173 external-priority patent/DE2048173C/en
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of CH548715A publication Critical patent/CH548715A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
CH1326271A 1970-09-30 1971-09-09 CIRCUIT ARRANGEMENT FOR ESTABLISHING COLLECTIVE CONNECTIONS IN A PCM TELEPHONE SWITCHING CENTER. CH548715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702048173 DE2048173C (en) 1970-09-30 Circuit arrangement for establishing hunt groups in a PCM telephone exchange

Publications (1)

Publication Number Publication Date
CH548715A true CH548715A (en) 1974-04-30

Family

ID=5783863

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1326271A CH548715A (en) 1970-09-30 1971-09-09 CIRCUIT ARRANGEMENT FOR ESTABLISHING COLLECTIVE CONNECTIONS IN A PCM TELEPHONE SWITCHING CENTER.

Country Status (9)

Country Link
AT (1) AT314623B (en)
BE (1) BE773327A (en)
CH (1) CH548715A (en)
FR (1) FR2108675A5 (en)
GB (1) GB1338820A (en)
IT (1) IT938855B (en)
LU (1) LU63974A1 (en)
NL (1) NL7113375A (en)
SE (1) SE366896B (en)

Also Published As

Publication number Publication date
AT314623B (en) 1974-04-10
DE2048173A1 (en) 1972-05-04
LU63974A1 (en) 1972-03-01
FR2108675A5 (en) 1972-05-19
IT938855B (en) 1973-02-10
GB1338820A (en) 1973-11-28
SE366896B (en) 1974-05-06
DE2048173B2 (en) 1972-05-04
BE773327A (en) 1972-03-30
NL7113375A (en) 1972-04-05

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Legal Events

Date Code Title Description
PL Patent ceased