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GB2130050B - Calling line identifier - Google Patents

Calling line identifier

Info

Publication number
GB2130050B
GB2130050B GB08230826A GB8230826A GB2130050B GB 2130050 B GB2130050 B GB 2130050B GB 08230826 A GB08230826 A GB 08230826A GB 8230826 A GB8230826 A GB 8230826A GB 2130050 B GB2130050 B GB 2130050B
Authority
GB
United Kingdom
Prior art keywords
calling line
line identifier
identifier
calling
line
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
GB08230826A
Other versions
GB2130050A (en
Inventor
Joseph Richard Cass
James Neil Pinnington
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.)
STC PLC
Original Assignee
STC PLC
Standard Telephone and Cables PLC
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 STC PLC, Standard Telephone and Cables PLC filed Critical STC PLC
Priority to GB08230826A priority Critical patent/GB2130050B/en
Publication of GB2130050A publication Critical patent/GB2130050A/en
Application granted granted Critical
Publication of GB2130050B publication Critical patent/GB2130050B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/36—Statistical metering, e.g. recording occasions when traffic exceeds capacity of trunks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/72—Finding out and indicating number of calling subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB08230826A 1982-10-28 1982-10-28 Calling line identifier Expired GB2130050B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08230826A GB2130050B (en) 1982-10-28 1982-10-28 Calling line identifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08230826A GB2130050B (en) 1982-10-28 1982-10-28 Calling line identifier

Publications (2)

Publication Number Publication Date
GB2130050A GB2130050A (en) 1984-05-23
GB2130050B true GB2130050B (en) 1985-12-18

Family

ID=10533894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08230826A Expired GB2130050B (en) 1982-10-28 1982-10-28 Calling line identifier

Country Status (1)

Country Link
GB (1) GB2130050B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2712131B1 (en) * 1993-11-02 2005-08-12 Frc Pro Sarl Long-term digital backup of compressed data, automated simultaneously in input and output, allowing in particular a digital security record of wiretapping.
AU700358B2 (en) * 1995-09-18 1999-01-07 British Telecommunications Public Limited Company Call patterns in a communications network
US5974309A (en) * 1996-05-03 1999-10-26 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for facilitating law enforcement agency monitoring of cellular telephone calls

Also Published As

Publication number Publication date
GB2130050A (en) 1984-05-23

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Legal Events

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