[OpenSIPS-Users] some idea

[Alex Balashov]

Well, I have no idea if your government has certain standards for 
interception technology and interfaces as the US does with CALEA.

But if it's simply the broad goal of providing call interception, I 
suggest using port mirroring and some open-source recording tool like 
OrecX (there's also a commercial version), which collates SIP and RTP by 
watching the headers.  It scales fairly well, especially if the use case 
will not involve attempting to record a very large amount of 
simultaneous calls.

There are other, more OpenSER-native approaches involving media proxies 
as well.

-- Alex

josip.djuricic at voljatel.hr wrote:

> Hi there tnx for quick response.
> 
> The main idea is to provide intercepting functions to the government, since
> they press really hard on us, and passive probes are way to expensive we
> thought about trying to build our own...now that would equire a lot of
> work, the most hard part would probably be state machine, and connecting
> sip and rtp together.
> 
> So if you have any idea on how to acomplish that I and I think many others
> faced with same challenge would be very gratefull.
> 
> Best regards,
> 
> Josip
> 
> On Fri, 7 Aug 2009 12:59:52 -0400, Alex Balashov
> <abalashov at evaristesys.com>
> wrote:
>> It's certainly possible.  But you'd do well to tell us what you're  
>> trying to accomplish to get the best advice.


-- 
Alex Balashov
Evariste Systems
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