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Why do we need NRTRDE for CAMEL??

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gsmtoday
Why do we need NRTRDE for CAMEL??

Hi all,

In any sort of CAMEL roaming, be it national or international, charging is always online. Any OCSI/TCSI flag in roaming subscriber's profile triggers a dialog by means of IDP message between serving MSC/VLR and Home SCP. Thus any prepaid usage is always controlled by home SCP. Then why do we  need NRTRDE?

please clear my doubts.

thanks,

Edited by: admin on 05/16/2010 - 04:32