Interconnection agreement determining system, apparatus, and method
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United States of America Patent
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-
Feb 26, 2008
Grant Date -
Jun 30, 2005
app pub date -
Dec 22, 2004
filing date -
Dec 25, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When a location-area MSC 20 receives an SMS originating signal, an interrogating unit 21 sends an SRIforSM signal including the MSISDN of a receiving terminal 10b to an HLR 30. When the location-area MSC 20 receives an SRIforSMack signal from the HLR 30, a subscriber-identification-information obtaining unit 22 obtains an IMUI contained in the SRIforSMack. An on-origination carrier identifying unit 23 identifies from the IMUI the carrier to which the receiving terminal 10b subscribes. The location-area MSC 20 determines whether the carriers have an SMS interconnection agreement with each other, on the basis of identification made by an on-origination carrier identifying unit 23.
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