System and method for establishing mobile station-to-mobile station packet data calls between mobile stations in different wireless networks
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United States of America Patent
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Issued Date -
May 12, 2005
app pub date -
Nov 7, 2003
filing date -
Nov 7, 2003
priority date (Note) -
Abandoned
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Abstract
A method of establishing a packet data session from an originating mobile station (MS) to a terminating mobile station (MS). The method comprises the steps of: i) receiving in an originating base station (BS) of a first wireless network a packet data connection request transmitted by the originating MS; ii) transmitting the terminating MS phone number from the originating BS to an originating mobile switching center (MSC) of the first wireless network; iii) transmitting a first message containing the terminating MS phone number from the originating MSC to a terminating mobile switching center (MSC) of a second wireless network via a switched telephone network; and iv) transmitting a second message from the terminating MSC to the terminating MS via a terminating base station of the second wireless network, the second message informing the terminating MS that a packet data session with the originating mobile station is being established.
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