1.

What Is Security Mode Command? Why It Is Used?

Answer»

Security mode command is a RRC Message,

The purpose of this PROCEDURE :

  • To trigger the start of ciphering or to command the restart of the ciphering with a NEW ciphering CONFIGURATION, for the radio bearers of one CN domain and for all signalling radio bearers.
  • It is ALSO used to start INTEGRITY protection or to modify the integrity protection configuration for all signalling radio bearers

Security mode command is a RRC Message,

The purpose of this procedure :


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