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 networkInfo
- 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
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.
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)
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 |
-
1991
- 1991-04-24 CA CA 2041153 patent/CA2041153C/en not_active Expired - Lifetime
Cited By (6)
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 |