name: Tracking Area Updating Procedure
full_form: Tracking Area Updating Procedure
context: The following abnormal case can be identified:
  a)	Void
  b)	ATTACH REQUEST message received when paging procedure is ongoing.
  If an integrity-protected ATTACH REQUEST message is received from the UE and successfully integrity checked by the network, the network shall abort the paging procedure. If the ATTACH REQUEST message received is not integrity protected, or the integrity check is unsuccessful, the paging procedure shall be progressed. The paging procedure shall be aborted when the EPS authentication procedure performed during attach procedure is completed successfully.
  c)	TRACKING AREA UPDATE REQUEST message received in response to a CS SERVICE NOTIFICATION message
  If the network receives a TRACKING AREA UPDATE REQUEST message in response to a CS SERVICE NOTIFICATION message, the network shall progress the tracking area updating procedure.
  NOTE:	After completion of the tracking area updating procedure the UE can accept or reject the CS fallback by sending an EXTENDED SERVICE REQUEST message.
  d)	DETACH REQUEST message received in response to a CS SERVICE NOTIFICATION message
  If the network receives a DETACH REQUEST message with detach type "IMSI detach" or "combined EPS/IMSI detach" in response to a CS SERVICE NOTIFICATION message, the network shall progress the detach procedure.
description: The Tracking Area Updating Procedure is initiated by the UE sending a TRACKING AREA UPDATE REQUEST message, allowing the network to update the tracking area of the UE.
explanation: Categorized as a Procedure because it involves steps for updating the tracking area of the UE.
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biotag_Description: O,B-Procedure,I-Procedure,I-Procedure,I-Procedure,O,O,O,O,B-Device,O,O,B-Message,I-Message,I-Message,I-Message,O,O,O,O,O,O,O,O,O,O,O,O