Prepaid and Postpaid System

What is SDP in telecom network?

SDP is service data point and is a database system in telecom network. This node or database is used to contain the database with subscriber and account information. This is used in telecom prepaid charging and comes under intelligent network.

SDP contains data related to charging of voice and data calls of subscriber. Every time, a prepaid number make voice or data call, SDP comes in picture. SDP check subscriber current balance and give instruction to MSC.

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