| 摘要 |
A call is routed to a wireless mobile station from a wireline network while bypassing a host mobile switching center (MSC) of the mobile station when the mobile station is registered at an MSC other than the host MSC. In particular, a service control point (SCP) in the wireline network receives a query from a tandem switch, associated with a trunk group of the host MSC, in response to an attempted termination of the call at the trunk group. Based on information from the query, the SCP retrieves registration data from a home location register of the host MSC, using IS-41 signaling. When the registration data indicates that the mobile station is registered at the alternate MSC, the SCP instructs the tandem switch to route the call directly to a trunk group of the alternate MSC, i.e., without passing through the host MSC.
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