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BIC-Roam - Barring of Incoming Calls when Roaming outside the home PLMN country supplementary service

A cellular supplementary service, that when invoked sets flags in the network databases to stop a subscriber receiving incoming calls when he or she is roaming outside of their HPLMN (Home Public Land Mobile Network).


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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