Hi Joegen, So using TLS/SRTP in Pjsip will resolve the issue. Will it be a right choice. Can you guide me something more on this implementation. What are the limitations which you have tried to point out in the your reply in using TLS /SRTP. Thanks .... Regards: Ravi On Fri, Jul 24, 2009 at 9:33 AM, Joegen Baclor <joegen.baclor at gmail.com>wrote: > In countries that are blocked (mostly in middle east), they are using deep > penetration packet analyzers for both SIP and RTP. So changing the ports > wont usually work. You might get away with a TLS/SRTP combo but this is an > end to end requirement limiting the softphone to only work with providers > that support both. Another option would be to install SBC's with > proprietary encryption support within the blocked country and in another > location where SIP is allowed. This would hide SIP and RTP from the > filters. OpenSBC for example works with grandstream proprietary CBCom > encryption and is tested to bypass these types of blockage. > > Joegen > > -------------------------------------------------- > From: "Paulo Rog?rio Panhoto" <paulo@xxxxxxxxxxxxxxxxxxxxxx> > Sent: Thursday, July 23, 2009 10:57 PM > To: "pjsip list" <pjsip at lists.pjsip.org> > Subject: Re: SIP blocked countries issue. Do any body have > thesolution? > > > Hello Ravi, >> >> I guess someone might have asked this before: is SIPS also blocked? >> >> varun pratapsingh wrote: >> >>> Hi All, >>> >>> In some countries SIP is blocked means our softphones are not working. Is >>> there any way which can be used to reslove this issue. some peoples are >>> suggesting VPNs but can,t it be like if we do some encryption of our SIP >>> traffic. >>> >>> Please if any body can give a real solution then it would be a great >>> help. >>> >>> >>> Regards: >>> Ravi >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> Visit our blog: http://blog.pjsip.org >>> >>> pjsip mailing list >>> pjsip at lists.pjsip.org >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>> >>> >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090724/37a32cbd/attachment-0001.html>
