Method apparatus and system for call forwarding when roaming from a first type network to a second type network in a communication system
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United States of America Patent
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Sep 2, 2003
Grant Date -
N/A
app pub date -
Jun 6, 2000
filing date -
Jun 18, 1999
priority date (Note) -
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Abstract
An apparatus, system and method for call forwarding when roaming from a first type network, such as an ANSI-41 cellular network, to a second type network, such as a GSM cellular network. According to one embodiment of the present invention, a signaling message converter signals an originating MSC in a local communication system to redirect a call when a terminating foreign MSC cannot terminate the call due to predetermined circumstances.
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