MSISDN Control · MSISDN-CONTROL
Restricts by phone number (MSISDN) through IMSI–MSISDN mapping, with the IMSI present in the query.

Sx-EIR fulfills MSISDN blocking orders and links the number with the authorized IMEI and IMSI.
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.
MSISDN-CONTROL
MSISDN blocking orders
AvailableView module LinkSx-EIR One Control
IMEI–IMSI–MSISDN triplets
AvailableView module Related platformMobile number portability: subscribers keep their MSISDN when changing operator
View Sx-NpXThe MSISDN is combined with the other two domains through Sx-EIR One Control. Measurement is cross-cutting: Sx-EIR Analytics and Sx-EIR Integrity.
Restricts by phone number (MSISDN) through IMSI–MSISDN mapping, with the IMSI present in the query.
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.