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Active customer management

A single touchpoint for all your Device and SIM Management needs, giving you the edge streamlining your operations and getting ready for the future

SIM OTA

The CALLUP SIM OTA enables the operator to remotely manage the files and applets on the (U) SIM / (I) SIM / SIM in its network over the air.

Supports all technologies:
2G networks, 3G UMTS, CDMA RUIM and CSIM, LTE

Supports all Transport layers:
SMS, GSM 23.040, BIP/CAT_TP (TS 102 124), Security, GSM 23.048 , HTTPS OTA using TLS PSK
The SIM OTA module can update any file on the card’s file system, provided it is allowed to be modified OTA. Examples for such files:
  • MSISDN Update Dialing Number lists XDN (such as ADN, FDN, SDN,..) list
  • Service Provider Name (SPN)
  • PLMN Selection
  • Forbidden PLMN
  • SIM Service Table
  • Access Control Class file
  • Short message service parameters (SMSP) 

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