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(#3)
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Junior Member
Amateur Member
Posts: 12
Join Date: 20 Nov 2006
Country:
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![]() it's USSD rouming CALL BACK for WIND prepaid card like dial *123*number#call and wait for incoming call...CAMEL protocol it's direct dial when is prepaid make call in rouming but why is USSD roaming callback is lower price?
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