a) Try changing the SIP port b) Try using SIP/TLS (encrypted stream) c) Last things, try applying a custom and simple XOR to the SIP protocol to confuse deep packet inspection systems With a, b or c you should be able to bypass the SIP filters. Fabio 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 > Us -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20090726/c96eaefd/attachment.html>
