TFI - Temporary Flow Identity

Each TBF (Temporary Block Flow) is assigned a TFI (Temporary Flow Identity) by the network. The mobile station shall assume that the TFI value is unique among concurrent TBF in the same direction (uplink or downlink) on all PDCH (Packet Data Channel) used for the TBF.


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

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