Inter PLMN Handover from 4G Roamer to 4G Homer

This section provides call flow and details about the Inter-plmn N2 HO procedure from 4G Roamer to 4G Homer.

Call Flow for Inter-plmn N2 HO from 4G Roamer to 4G Homer

Call Flow Description for Inter-plmn N2 HO procedure from 4G Roamer to 4G Homer

  • If the Subscriber is Roamer, SMF receives ModifyBearerRequest from the home S-GW.

  • Determines roaming Status in ModifyBearerRequest messages.

  • Deletes N9 and creates N3 Secondary PDRs

  • Recreates S5 PDRs with an existing FTEID.