| 摘要 |
<p>Method for providing intelligent network support to a mobile subscriber (1) roaming in a VPLMN (visited public land mobile network) that does not provide SSF (Service Switching Functions) to this mobile subscriber, comprising the folowing steps: preparing a USSD or SMS message (2) by the SIM-card (10) or the mobile equipment of said mobile subscriber; sending said USSD or SMS message to an interworking unit (4); preparing an INAP (intelligent network application part) message (5) in said interworking unit (4), which INAP message depends on said signalling message (2) received; sending said INAP message to a SCP (service control point) (7) of the mobile subscriber's (1) HPLMN (home public land mobile network).</p> |
