RANAP Signaling in UMTS Call PDF - EventHelix.com
RANAP Signaling in UMTS Call PDF - EventHelix.com
RANAP Signaling in UMTS Call PDF - EventHelix.com
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-ranap Interfaces (Orig<strong>in</strong>at<strong>in</strong>g <strong>Call</strong>)<br />
UTRAN<br />
Core Network<br />
RNC<br />
MSC/VLR<br />
DTAP CC Connect Acknowledge<br />
ranap<br />
ranap<br />
EventStudio System Designer 6<br />
06-Oct-13 07:43 (Page 2)<br />
RNC responds back with <strong>com</strong>pletion of connect.<br />
ranap<br />
DTAP CC Disconnect<br />
ranap<br />
.001 0000 = Cause : (16) Normal call<br />
clear<strong>in</strong>g<br />
RNC sends call disconnect to the Core Network.<br />
ranap<br />
DTAP CC Release<br />
ranap<br />
Core Network releases the session.<br />
DTAP CC Release Complete<br />
ranap<br />
ranap<br />
RNC signals release <strong>com</strong>plete to Core Network<br />
ranap<br />
<strong>RANAP</strong> Iu-Release<br />
ranap<br />
Core Network <strong>in</strong>itiates the Iu release.<br />
id : id -Cause (4)<br />
ranap<br />
<strong>RANAP</strong> Iu-Release<br />
ranap<br />
RNC signals back the release of the Iu connection.<br />
This call flow has been generated with from a Wireshark PCAP file us<strong>in</strong>g VisualEther (http://www.eventhelix.<strong>com</strong>/VisualEther/).<br />
The generated call flow was later modified with EventStudio (http://www.eventhelix.<strong>com</strong>/EventStudio/) to add <strong>com</strong>ments and<br />
term<strong>in</strong>al level <strong>in</strong>teractions.<br />
Explore more call flow diagrams at: http://www.eventhelix.<strong>com</strong>/realtimemantra/tele<strong>com</strong>/
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