Wednesday, January 20, 2010

UE Registration Procedure/Network Attach Procedure

A UE needs to register with the network to receive services that require registration. The always on IP connectivity for UE of the EPS is enabled by establishing a default EPS bearer during network attachment. During the attach procedure, the UE may request for an IP address allocation.

Please refer to the below figure for the attach procedure. Since, Iam not familiar with the network messages that are exchanged, I haven't mentioned in the below diagram.


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