Hi All, I have installed freeswitch on Amazon EC2 server and i followed *https://freeswitch.org/confluence/display/FREESWITCH/Amazon+EC2 <https://freeswitch.org/confluence/display/FREESWITCH/Amazon+EC2>* Once we tried to call outbound call getting *no audio in both side* also FreeSWITCH passing my server local IP as RTP-IP to gateway side, =========================== 2017/06/29 12:57:06.579360 128.22.54.32:5060 -> 88.22.45.123:5060 v=0 o=FreeSWITCH 123456456 1245210017 IN IP4 *192.168.1.101* s=FreeSWITCH c=IN IP4 *192.168.1.101* t=0 0 m=audio 31010 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 ============== 128.22.54.32 = Amazon EC2 server public IP *192.168.1.101* = Amazon EC2 server local IP 88.22.45.123 = Gateway provider. Could you please help me on audio issue in local-ip selected as RTP_IP and passing to gateway side?