| 摘要 |
<p>The present invention discloses a method for roaming call implement to foreign intelligent client, comprise the steps of: a. Foreign gateway mobile switching centre initiates Send Routing Information (SRI) operation to Home Location Register (HLR), which requests the called roaming number; b. HLR sends a virtual roaming number back to foreign GMSC, then foreign GMSC links the calling to service switching point (SSP) in intelligent platform in accordance with the virtual roaming number; c. SSP initiates SRI operation to HLR by using the virtual roaming number from Initiate Address Information (IAI); d. If HLR detects the number used in the operation of SRI is the virtual roaming number which have been allocated before, then it will send the actual client number corresponding to the virtual roaming number and the Client Sign Information (CSI) corresponding to the intelligent client to SSP; e. SSP initiates the service which links the calling to the Visited Mobile Switching Centre where the called client accessed by using CSI of the actual intelligent client; This method can consummate billing system of mobile intelligent network.</p> |
