GB1395413A - Telecommunications systems - Google Patents

Telecommunications systems

Info

Publication number
GB1395413A
GB1395413A GB3400872A GB3400872A GB1395413A GB 1395413 A GB1395413 A GB 1395413A GB 3400872 A GB3400872 A GB 3400872A GB 3400872 A GB3400872 A GB 3400872A GB 1395413 A GB1395413 A GB 1395413A
Authority
GB
United Kingdom
Prior art keywords
tone
exchange
call
substation
ready
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
GB3400872A
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
Priority claimed from DE19712145205 external-priority patent/DE2145205C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1395413A publication Critical patent/GB1395413A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
GB3400872A 1971-09-09 1972-07-20 Telecommunications systems Expired GB1395413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712145205 DE2145205C3 (de) 1971-09-09 Verfahren zum Erkennen eines Zusammenstoßes zwischen einem aufsteigenden und einem absteigenden Ruf auf den Teilnehmeranschlußleitungen einer Datenvermittlungsanlage

Publications (1)

Publication Number Publication Date
GB1395413A true GB1395413A (en) 1975-05-29

Family

ID=5819148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3400872A Expired GB1395413A (en) 1971-09-09 1972-07-20 Telecommunications systems

Country Status (12)

Country Link
AU (1) AU469199B2 (en:Method)
BE (1) BE788568A (en:Method)
CA (1) CA960390A (en:Method)
CH (1) CH545567A (en:Method)
DK (1) DK142389C (en:Method)
FR (1) FR2152595B1 (en:Method)
GB (1) GB1395413A (en:Method)
IT (1) IT967176B (en:Method)
LU (1) LU66020A1 (en:Method)
NL (1) NL7212256A (en:Method)
SE (1) SE381155B (en:Method)
ZA (1) ZA725290B (en:Method)

Also Published As

Publication number Publication date
ZA725290B (en) 1973-04-25
FR2152595B1 (en:Method) 1977-07-29
DE2145205B2 (de) 1977-05-26
AU469199B2 (en) 1976-02-05
AU4556272A (en) 1974-02-21
FR2152595A1 (en:Method) 1973-04-27
SE381155B (sv) 1975-11-24
LU66020A1 (en:Method) 1973-03-12
IT967176B (it) 1974-02-28
DK142389B (da) 1980-10-20
DK142389C (da) 1981-03-23
CH545567A (en:Method) 1974-01-31
BE788568A (fr) 1973-03-08
DE2145205A1 (de) 1973-03-15
NL7212256A (en:Method) 1973-03-13
CA960390A (en) 1974-12-31

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Legal Events

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