Patent ID: 7043229

Claim:
A method of determining a tariff for a real-time wireless service provided for a wireless call made to or from a ported telephone number, said method comprising the steps of: receiving by real-time service scripts in a Service Control Point (SCP), a call setup message containing a called party number, said call setup message being formatted in a first signaling protocol; sending the called party number to a protocol converter in the SCP; converting in the protocol converter, the first signaling protocol to a second signaling protocol compatible with a Local Number Portability (LNP) database; sending a query containing the called party number from the protocol converter to the LNP database; receiving a query result from the LNP database, said result containing a routing number if the called party number has been ported; determining by the service scripts whether the routing number points to a particular network; and rating the call with a first tariff if the routing number points to the particular network.