IMEI Control · IMEI-CONTROL
Allows, observes or blocks by IMEI and by TAC range, with white, grey and black lists from national and international sources.

Sx-EIR allows, observes or restricts devices by IMEI and by type-approved model, and links the device with its authorized subscription.
Every query receives the response set by the operator rule, applied and recorded by Sx-EIR. Each action is applied by an available module, added according to the project scope.
IMEI-CONTROL
Lists by IMEI and by type-approved model (TAC), national and international
AvailableView module LinkIMEI–IMSI–MSISDN link
Legitimate holder protection when an IMEI is repeated; subsidized and financed devices linked to their subscription
AvailableView module AlertSIM-BOX DEFENDER
Cloning indications prioritized for the fraud desk
AvailableView moduleThe IMEI is combined with the other two domains through Sx-EIR One Control. Measurement is cross-cutting: Sx-EIR Analytics and Sx-EIR Integrity.
Allows, observes or blocks by IMEI and by TAC range, with white, grey and black lists from national and international sources.
Detects duplicate IMEIs through simultaneous use on the network. Legitimate holder protection relies on duplets or triplets.
The cloning indicator is alerted through the IMEI and IMSI fraud indicators; legitimate holder protection is applied through the IMEI–IMSI–MSISDN link.
Restricts a subsidized device used with an IMSI the contract does not authorize, where regulations permit.
Sx-EIR CORE applies in the network: allowed · observed · blocked
Technical dossier under confidentiality
Configurations, interface requirements per module, reference architecture, sizing, the migration plan and the compliance table for tender pre-qualification are delivered in a dossier under a confidentiality agreement, after a first conversation with the ATC team.
ATC reviews the platform the operator prioritizes and proposes the appropriate configuration. Sizing and review are provided at no cost.
3GPPGSMAITU-TTM Forum
No-cost review and sizing, without access to production.