Re: [Serusers] RTP Wiretapping

Jiri, Do you think ser will eventually acquire wiretapping capabilities? Regards, Paul On Thu, 3 Mar 2005 17:18:32 -0500, Terry Mac Millan <serweb(a)finian.net> wrote: > If the modified RTP and non-modified RTP modules are on the same machine and > most regular calls are already making use of the RTP, then the IP's > shouldn't change at all. So the parties involved in the tapping will still > see the same IP address at the providers end, which shouldn't give it away > if they are being tapped. > > It would be nice to ignore, but when the authorities come to the front desk > with orders to tap and collect, there needs to be a means to do that so that > you don't end up getting slapped with an Obstruct justice charge. So there > does need to be a method available, or work around, to impliment to comply > with the orders. > > Terry > ----- Original Message ----- > From: "Jiri Kuthan" <jiri(a)iptel.org> > To: "Java Rockx" <javarockx(a)gmail.com>om>; <ser(a)cannes.f9.co.uk> > Cc: <serusers(a)lists.iptel.org> > Sent: Thursday, March 03, 2005 4:01 PM > Subject: Re: [Serusers] RTP Wiretapping > > > The challenge with this approach is how you make intercepted calls > > non-distinguishable from regular calls. The intercepted party may > > watch signaling and notice service provider's IP addresses. Also, > > the quality may degrade through use of RTP relay. > > > > A possible option is to ingore this problem. > > > > Other option would be to implement interception in edge routers. > > Obviously, it is not an easy one. > > > > -jiri > > > > At 01:16 PM 3/2/2005, Java Rockx wrote: > > >I was thinking about having a group called "spy" in the grp table and > > >anyone with this ACL would be sent to a modified mediaproxy that would > > >capture the RTP. > > > > > >User that don't have the "spy" ACL would be handled normally and if > > >NAT traversal is needed then use an unmodified media proxy. > > > > > >Regards, > > >Paul > > > > > > > > >On Wed, 2 Mar 2005 08:00:24 -0000, Chris <ser(a)cannes.f9.co.uk> wrote: > > >> Why not use a from/to etc detection in .cfg (using database...) > > >> to trigger a remote proxy through the requesting agency > > >> They then have the capture issue > > >> and you have no monitor or delivery issues? > > >> Might require conditions of their placement of a proxy? > > >> (but is their problem) > > >> Regards > > >> Chris > > >> > > >> -----Original Message----- > > >> From: serusers-bounces(a)iptel.org [mailto:serusers-bounces@lists.iptel.org] On > > >> Behalf Of Java Rockx > > >> Sent: 26 February 2005 14:29 > > >> To: serusers(a)lists.iptel.org > > >> Subject: [Serusers] RTP Wiretapping > > >> > > >> Hi All. > > >> > > >> I'm located in the US and would like to comply with the Communications > > >> Assistance for Law Enforcement Act (CALEA) that Congress passed which > > >> basically says that VoIP providers should have the ability to wiretap > > >> conversations for the FBI upon request. > > >> > > >> I use mediaproxy for NAT traversal. So my question is how can I be > > >> CALEA compliant? I assume I should be able to modify mediaproxy to > > >> write RTP streams to disk, but I'm unclear on how to "mix" both sides > > >> of the conversation. > > >> > > >> Can anyone help with a suggestion? > > >> > > >> Regards, > > >> Paul > > >> > > >> _______________________________________________ > > >> Serusers mailing list > > >> serusers(a)lists.iptel.org > > >> http://lists.iptel.org/mailman/listinfo/serusers > > >> > > >> -- > > >> No virus found in this incoming message. > > >> Checked by AVG Anti-Virus. > > >> Version: 7.0.300 / Virus Database: 266.5.0 - Release Date: 25/02/2005 > > >> > > >> -- > > >> No virus found in this outgoing message. > > >> Checked by AVG Anti-Virus. > > >> Version: 7.0.300 / Virus Database: 266.5.2 - Release Date: 28/02/2005 > > >> > > >> > > > > > >_______________________________________________ > > >Serusers mailing list > > >serusers(a)lists.iptel.org > > >http://lists.iptel.org/mailman/listinfo/serusers > > > > -- > > Jiri Kuthan http://iptel.org/~jiri/ > > > > _______________________________________________ > > Serusers mailing list > > serusers(a)lists.iptel.org > > http://lists.iptel.org/mailman/listinfo/serusers > > > > > >