Hi Arish, Your issue is not related to the firewall. Sample SDP message announces local ip address for RTP. You need to update kamailio configuration for re-writing SDP messages with advertised external IP address. You can find details of rtpengine module for kamailio in this doc https://kamailio.org/docs/modules/5.1.x/modules/rtpengine.html arish haque <arish.haq@gmail.com>, 25 Eki 2018 Per, 10:35 tarihinde şunu yazdı:

Hi, I am using this command for starting RTPengine - /usr/sbin/rtpengine --table=0 --interface=192.168.1.x\!182.75.xx.yy --listen-ng=127.0.0.1:22222 --pidfile=/var/run/rtpengine.pid --log-level=6 --log-facility=local1

in kamailio.cfg --> listen=MY_SIP_ADDR advertise 182.75.xx.yy:5060 But still there is no RTP from outside network.

Still not able to sort out what is the issue.If pfsense is blocking rtp packets or any other. but i have very config on pfsense.

Thanks & Regards, Arish Haque

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