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CA2174994C - Centrex longue distance virtuel - Google Patents

Centrex longue distance virtuel

Info

Publication number
CA2174994C
CA2174994C CA 2174994 CA2174994A CA2174994C CA 2174994 C CA2174994 C CA 2174994C CA 2174994 CA2174994 CA 2174994 CA 2174994 A CA2174994 A CA 2174994A CA 2174994 C CA2174994 C CA 2174994C
Authority
CA
Canada
Prior art keywords
centrex
call
scp
message
ssp
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 - Fee Related
Application number
CA 2174994
Other languages
English (en)
Other versions
CA2174994A1 (fr
Inventor
George W. Turner
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.)
Bell Canada Inc
Original Assignee
Bell Sygma Inc
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 Bell Sygma Inc filed Critical Bell Sygma Inc
Publication of CA2174994A1 publication Critical patent/CA2174994A1/fr
Application granted granted Critical
Publication of CA2174994C publication Critical patent/CA2174994C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • 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
    • H04M3/42314—Systems providing special services or facilities to subscribers in private branch exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/45—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place public-private interworking, e.g. centrex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/009—Arrangements for interconnection between switching centres in systems involving PBX or KTS networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13091—CLI, identification of calling line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13097—Numbering, addressing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13102—Common translator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13103—Memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13222—PBX circuits in public exchange, centrex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13345—Intelligent networks, SCP
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13399—Virtual channel/circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
CA 2174994 1995-06-02 1996-04-25 Centrex longue distance virtuel Expired - Fee Related CA2174994C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46064095A 1995-06-02 1995-06-02
US08/460,640 1995-06-06

Publications (2)

Publication Number Publication Date
CA2174994A1 CA2174994A1 (fr) 1996-12-07
CA2174994C true CA2174994C (fr) 1998-06-23

Family

ID=23829503

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2174994 Expired - Fee Related CA2174994C (fr) 1995-06-02 1996-04-25 Centrex longue distance virtuel

Country Status (1)

Country Link
CA (1) CA2174994C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100531412C (zh) 2005-01-22 2009-08-19 华为技术有限公司 广域集中用户交换机的实现方法
CN101453723B (zh) 2008-11-11 2010-12-08 华为技术有限公司 通信业务的实现方法、设备及系统

Also Published As

Publication number Publication date
CA2174994A1 (fr) 1996-12-07

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150427