3G UMTS Originating Call Flows
A 3G UMTS originating voice call call setup involves complex signaling to setup and release the call.
- RRC (Radio Resource Control) signaling between the UE and RAN sets up the radio link.
- RANAP (Radio Access Network Application Part) signaling sets up the session between the RAN and the Core Network (MSC).
Click on the image to see the full call flow. You can click on most RANAP messages in the call flow to complete field level details of the RANAP messages.
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November 1, 2013 at 10:14 pm
The presentation on LTE my area of interest is amazing, extremly precise and to the point. Thanks a lot for sharing all the telecom stuff in a highly practical manner. I would be glad to share the work on LTE and UMTS link budget so that it can be used in the industry to grow further.
November 1, 2013 at 10:58 pm
Aaron thanks. Please send us the material you have. We would love to publish it on the website.