Hi, Anton! Thanks for your answer! Problem was resolved on the far side. Freeswitch did not require more adjustment. 01.10.2012 23:17, Anton Kvashenkin пишет:
Which gateway do you use? You can try stun.sipnet.ru <http://stun.sipnet.ru>. Could you please paste sip-messages (use ngrep) from 3-way handshake, also sofia_contact */external_gateway
2012/10/1 Виталий Давудов <vitaliy.davudov@vts24.ru <mailto:vitaliy.davudov@vts24.ru>>
Hi! I tried to establish connection between Freeswitch and external gateway which is located behind NAT.
NAT-gateway is configured to do ip/port forwarding.
RTP session can't be established. With tcpdump & wireshark that's what I saw:
|Time | 91.211.XXX.XXX | 192.168.0.100 | | | | 77.246.XXX.XXX | |8,088 | INVITE SDP (g711A g711U CN) | |SIP From: "9260123069" <sip:9260123069@91.211.XXX.XXX To:<sip:4959899711@77.246.XXX.XXX:5065 | |(5065) ------------------> (5065) | | |8,088 | INVITE SDP (g711A g711U CN) | |SIP From: "9260123069" <sip:9260123069@91.211.XXX.XXX To:<sip:4959899711@77.246.XXX.XXX:5065 | |(5065) ------------------> (5065) | | |8,099 | 100 Trying| | |SIP Status | |(5065) <------------------ (5065) | | |8,116 | 200 Ok SDP (g711A) | |SIP Status | |(5065) <------------------ (5065) | | |8,117 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |8,117 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |8,199 | RTP (g711A) | |RTP Num packets:28 Duration:0.259s SSRC:0x76B458 | |(16694) --------------------------------------> (49152) | |8,287 | RTP (g711A) | |RTP Num packets:860 Duration:17.181s SSRC:0xEAC34F46 | |(16694) <------------------ (49152) | | |8,479 | RTP (g711A) | |RTP Num packets:1488 Duration:14.900s SSRC:0x76B458 | |(16694) ------------------> (49152) | | |10,116 | 200 Ok SDP (g711A) | |SIP Status | |(5065) <------------------ (5065) | | |10,116 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |10,116 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |14,116 | 200 Ok SDP (g711A) | |SIP Status | |(5065) <------------------ (5065) | | |14,116 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |14,116 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |22,116 | 200 Ok SDP (g711A) | |SIP Status | |(5065) <------------------ (5065) | | |22,116 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |22,116 | ACK | | |SIP Request | |(5065) --------------------------------------> (5065) | |23,420 | BYE | | |SIP Request | |(5065) --------------------------------------> (5065) | |23,420 | BYE | | |SIP Request | |(5065) --------------------------------------> (5065) | |24,421 | BYE | | |SIP Request | |(5065) --------------------------------------> (5065) | |24,421 | BYE | | |SIP Request | |(5065) --------------------------------------> (5065) |
Freeswitch answered to local ip-address of a gateway which used in sip "contact" header. Is it possible to say Freeswitch to use public ip-address which is in the field "from" instead?
-- Best regards, Vitaly.
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-- С наилучшими пожеланиями, Давудов Виталий Федорович ООО "ВИП-ТЕЛЕКОМ-СЕРВИС" (Группа компаний "ETERIA") http://www.vts24.ru Тел: (495) 989-47-00