ECM - EPS Connection Management

In addition to the LTE Active, Idle and Detached states there also exists various EMM ( EPS Mobility Management) and ECM (EPS Connection Management) states. The EPS Connection Management states describe the signalling connectivity between the UE and the EPC. Two ECM states exist, namely ECM-IDLE and ECM-CONNECTED.


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

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