NDSS - Network Directed System Selection

This feature allows the MS (Mobile Station) to automatically register with a preferred system while roaming. It also enables the MS to be automatically directed by a service provider to a suggested system, regardless of the frequency band class, cellular band, or PCS (Personal Communications System) frequency block.


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

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