ECM-Disconnected state in 4G Network
The ECM-Disconnected state refers to a situation where the user equipment (UE) has no active connection with the 4G Evolved Packet Core (EPC) network.
In this state, the UE does not have an active data session or connection with the EPC network. So that the UE cannot send or receive data packets through the mobile network while in this state.
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PMM state transition in 3G
The PMM state are the Mobility management state for the MM context exist on the MS and on the SGSN after the 'GPRS attach' procedure completed. Please take into consideration that both MS and SGSN determine the PMM state according to its own calculation. In other words, in certain situations, you may find the MM…
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2G/3G Mobility Management states
The GPRS Mobility Management determines if the user equipment is registered to the network or not. In another words, it defines if the network knows about the presence of the user equipment or not. In addition, if the user equipment is registered to the network, to which extent the network can determine the location of…
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