The invention discloses a method, which implements recharging at different locations
for mobile prepaid service, based on intelligent network. The method sets SDP of
intelligent network outside of SCP. All rechargeable card data of mobile prepaid
service are stored in the said SDP. When mobile prepaid service subscriber dials
access number for recharging, call is routered to SSP. After analyses signaling
number of the call, SSP determines home SCP of it and reports intelligent call
to the home SCP. Then, all the recharging procedure is controlled by the home SCP.
The home SCP updates subscriber data and rechargeable card state, through interaction
with the said SDP. By implementing the invention method, complication of engineering,
data management and statistic is reduced and it is easier to expand.