Operations BroadNet answer

What is NRTRDE (Near Real Time Roaming Data Exchange)?

Last reviewed July 22, 20261 min readReviewed by BroadNet engineering

Quick answer

NRTRDE (Near Real Time Roaming Data Exchange), defined in GSMA TD.35, requires a visited operator to send roaming usage records to the home operator within four hours of the event — far faster than the daily TAP file. Its purpose is fraud control: high-value roaming fraud such as SIM-box or premium-rate abuse can run up huge losses before a daily TAP cycle would surface it, so NRTRDE shortens the detection window. See /answers/what-is-tap and /answers/telecom-fraud-prevention.

Plain-language definitionVendor-neutralReviewed July 22, 2026

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