<p>Hi Saghul,</p>

<p>There is some information here:<br><a href="http://cateee.net/lkddb/web-lkddb/NETFILTER_XT_TARGET_NOTRACK.html">http://cateee.net/lkddb/web-lkddb/NETFILTER_XT_TARGET_NOTRACK.html</a></p>

<p>Below is a piece of log when mediaproxy is engaged.</p>

<p>Feb 22 23:20:34 sip /usr/sbin/opensips[2033]: Call control: user sip:<a href="mailto:xxxxxxxxxx@example.net">xxxxxxxxxx@example.net</a> currently has: 1 call(s), Limit 2<br>
Feb 22 23:20:34 sip /usr/sbin/opensips[2033]: Call with a limit under callcontrol management<br>
Feb 22 23:20:34 sip /usr/sbin/opensips[2033]: NEW branch_route method=INVITE RURI=sip:xxxxxxxxxx@00.00.00.00:5080 FROM=sip:<a href="mailto:xxxxxxxxxx@example.net">xxxxxxxxxx@example.net</a> IP=xx.xx.xx.xx port=5060 protocol=udp<br>
Feb 22 23:20:38 sip /usr/sbin/opensips[2044]: ACC: transaction answered: timestamp=1393111238;method=INVITE;from_tag=4859;to_tag=qQD.kPbGmYh.ADDWm6gyeyOloj9fhkZT;call_id=21804;code=200;reason=OK<br>
Feb 22 23:20:38 sip kernel: [ 3228.062171] xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables</p>

<p>The "upgrade iptables" may be misleading.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br>Reply to this email directly or <a href='https://github.com/OpenSIPS/opensips/issues/171#issuecomment-37482214'>view it on GitHub</a>.<img src='https://github.com/notifications/beacon/5479561__eyJzY29wZSI6Ik5ld3NpZXM6QmVhY29uIiwiZXhwaXJlcyI6MTcxMDI4NjI2OCwiZGF0YSI6eyJpZCI6MjYyNzE4OTJ9fQ==--ce0e90a31b4423d99d986c8c1db986967b10be81.gif' height='1' width='1'></p>