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MME - Mobility Management Entity

The MME is responsible for mobility and session management procedures in the EPC. As such, the MME communicates with the mobile via NAS (Non Access Stratum) signalling and communicates with the HSS through Diameter. Key responsibilities include ECM (EPS Connection Management), EMM (EPS Mobility Management), gateway selection, NAS security and handover assistance.


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

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