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please remind that here is only the normal way to get the info directly. for more traces depending on scenario and we can contact GTAC/R&D get more command.
1. The traces.
2. Capture packets in TE30 side（if possible, capture packets in both side）.
3. We still want to know the details.
which side call another, and where did 9039 register?
How to capture traces.
Before you capture traces, I suggest you can save it as a file. For CRT tool
① telnet the 2 terminals,admin/password is debug/debug.or debug/Change_Me
② enter the command “mc set trace 2”.
enter the command “sip trace on all”.
enter the command “trace on”.
to open trace of terminal and make the issue occur then
trace off. And feedback the file to us.