On 06/15/06 19:47, tele wrote:
Daniel-Constantin Mierla wrote:
using latest cvs head, check the siptrace module:
http://openser.org/docs/modules/1.1.x/siptrace.html
hmm interesting.
what about the media forking of the call?
latest rtpproxy should have some features in this respect.
unfortunaly our SBC for lawful intercept don't discriminate single
call but only all traffic.
I imaging something like that:
RTP
UA ----------------------------------------------- UA
| \ / |
| \ / |
| + ---> SBC ----> OpenSER(1) ---> PSTN --- + |
| | |
\ | UA call replicated |
\ | |
\ OpenSER(2) |
\ | /
\ | /
\ RTP | RTP /
+--------------- LawUA ------------------+
- SBC do the NAT traversal
- OpenSER(1) dont'n know about media, only signaling
- OpenSER(2) i think nathelper and rtproxy goes here
I do not know how you could force the UA to fork the media. Also, legal
interception has to be transparent for the UA, otherwise they can detect
that something happen with the call and tear down.
Cheers,
Daniel
hmmm
sorry i'm dreaming ;)
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