3G and UMTS Call Flows

The call flow diagrams were generated using EventStudio System Designer.

3G UMTS Sequence Diagrams

3G UMTS Originating Call

Mobile originated 3G call that details RANAP and RRC signaling. Just click on RANAP messages to get full field level detail.

3G UMTS Terminating Call

Mobile terminating 3G call that details RANAP and RRC signaling. Just click on RANAP messages to get full field level detail.