Method and data structure for the control of switching centers in a telecommunications network
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United States of America Patent
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Jun 3, 1997
Grant Date -
N/A
app pub date -
May 2, 1995
filing date -
May 9, 1994
priority date (Note) -
Expired
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Abstract
The invention relates to a method and data structure for controlling switching centers (1, 14, 17, 19, 21, 23, 25, 27) connected to each other by a telecommunications network. The switching centers are provided with semipermanent databases containing alterable network control information related to, inter alia, call charging and routing. The information stays constant unless separately altered by an external control. Terminals (3) such as PABX connections, conventional subscriber lines, telefax equipment etc., are connected by a telecommunications network to the switching centers, and at least one service database (5) is common to the network and contains at least a portion of the network control information. According to the invention, the switching centers are controlled to update the control information stored in the semipermanent databases with information retrieved from the service database (5). The update operation of the semipermanent databases is chained so that selected switching centers of desired telecommunications networks perform sequentially the updating of their control information with information retrieved from the service database (5), whereby normally no update request message for control information need be sent to the service database (5) separately for each processed call.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- HELSINGFORS TELEFON AB;HELSINGIN PUHELIN OY;HELSINGIN PUHELIN OY - HELSINGFORS TELEFON AB
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Fils, Henry | Helsinki, FI | 1 | 22 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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