CA2041153A1 - Method of and apparatus for numbering and routing calls through a communication network - Google Patents

Method of and apparatus for numbering and routing calls through a communication network

Info

Publication number
CA2041153A1
CA2041153A1 CA 2041153 CA2041153A CA2041153A1 CA 2041153 A1 CA2041153 A1 CA 2041153A1 CA 2041153 CA2041153 CA 2041153 CA 2041153 A CA2041153 A CA 2041153A CA 2041153 A1 CA2041153 A1 CA 2041153A1
Authority
CA
Canada
Prior art keywords
network
switch
nsn
cos
code
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.)
Granted
Application number
CA 2041153
Other languages
French (fr)
Other versions
CA2041153C (en
Inventor
Michael W. Funk
Sue A. Lawson
David F. Mcguigan
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.)
AT&T Corp
Original Assignee
American Telephone and Telegraph Co 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 American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc
Publication of CA2041153A1 publication Critical patent/CA2041153A1/en
Application granted granted Critical
Publication of CA2041153C publication Critical patent/CA2041153C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Telephonic Communication Services (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

A communication network uses a network switch number (NSN) and a class-of-service classification (COS) code to route calls through the network. When a call is received at an originating switch of the network, the dialed number is used to select the NSN which identifies a network terminating switch which connects to the called party. The network uses received call signaling information and stored trunk information and possibly network database information to determine the COScode. The COS code is also used at the terminating switch to identify the type of service trunk to connect to the called party. In another feature, only the network switch number is used to route the call over the network. In accordance with yetanother feature, the COS code may be used to select specific network trunks without requiring the specification of the NSN.
CA 2041153 1990-06-11 1991-04-24 Method of and apparatus for numbering and routing calls through a communication network Expired - Lifetime CA2041153C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US53637890A 1990-06-11 1990-06-11
US536,378 1990-06-11

Publications (2)

Publication Number Publication Date
CA2041153A1 true CA2041153A1 (en) 1991-12-12
CA2041153C CA2041153C (en) 1996-06-04

Family

ID=24138244

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2041153 Expired - Lifetime CA2041153C (en) 1990-06-11 1991-04-24 Method of and apparatus for numbering and routing calls through a communication network

Country Status (1)

Country Link
CA (1) CA2041153C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557643A2 (en) * 1992-02-24 1993-09-01 AT&T Corp. Mnemonic and synonymic addressing in a telecommunications system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0557643A2 (en) * 1992-02-24 1993-09-01 AT&T Corp. Mnemonic and synonymic addressing in a telecommunications system
EP0557647A2 (en) * 1992-02-24 1993-09-01 AT&T Corp. Mnemonic and synonymic addressing in a telecommunications system
EP0557643A3 (en) * 1992-02-24 1994-08-10 At & T Corp Mnemonic and synonymic addressing in a telecommunications system
EP0557647A3 (en) * 1992-02-24 1994-08-10 At & T Corp Mnemonic and synonymic addressing in a telecommunications system
US5412714A (en) * 1992-02-24 1995-05-02 At&T Corp. Mnemonic and synonymic addressing in a telecommunications system
US5485512A (en) * 1992-02-24 1996-01-16 At&T Corp. Mnemonic and synonymic addressing in a telecommunications system

Also Published As

Publication number Publication date
CA2041153C (en) 1996-06-04

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry