Behavior Change

Previous Behavior: The previous behavior activities listed as follows:

  • The timer value can be configured in any range between <unsignedInt, 0–35712000>.

  • The guard timer gets started on receiving the N14 context transfer update request.

  • In the guard timer running state, no handling of UDM Deregistration notification is present.

New Behavior: The new behavior activities listed as follows:

  • The CLI is updated to configure guard timer values in the range [0-10].

    The default value is 5. The value 0 is used to disable the timer in the procedure.

  • If enabled, the UE context guard timer starts on receiving the context transfer request.

  • On a successful transfer, the UE context will be cleaned on timer expiry.

Customer Impact: No impact.