[OpenSIPS-Users] OpenSips and firewall

[ivan smiljkovic]

Hi,
I configured and started Opensips server in my local network. Everything
was ok, TLS, Mikey key exchange between clients and calls.
But, now, clients are on 3g network (internet) and OpenSips is behind
firewall. Firewall is configured to bypass: staticIP:5061 to
openSipsIP:5061.

I can register clients but cannot start ringing and start call.
I dont have idea where to start with solving this problem. Here is
difference in log between working local network and not working internet
solution:

May 31 12:10:44 [2461] DBG:tm:_reply_light: reply sent out.
buf=0x7f93d5fb72c0: SIP/2.0 1..., shmem=0x7f93c2c39c18: SIP/2.0 1
May 31 12:10:44 [2461] DBG:tm:_reply_light: finished
new branch at sip:1004 at 10.245.199.188:38809;transport=tcp
May 31 12:10:44 [2461] DBG:core:mk_proxy: doing DNS lookup...
May 31 12:10:44 [2461] DBG:core:get_send_socket: force_send_socket of
different proto (2)!
May 31 12:10:44 [2461] WARNING:core:get_send_socket: protocol/port mismatch
May 31 12:10:44 [2461] DBG:core:parse_headers: flags=2000
May 31 12:10:44 [2461] DBG:core:build_req_buf_from_sip_req: id added:
<;i=84>, rcv proto=3
May 31 12:10:44 [2461] DBG:core:tcp_send: no open tcp connection found,
opening new one
May 31 12:10:44 [2461] DBG:core:probe_max_sock_buff: getsockopt: snd is
initially 16384
May 31 12:10:44 [2461] DBG:core:probe_max_sock_buff: trying : 32768

Difference is DBG:core:tcp_send: no open tcp connection found, opening new
one and down.

What to do, where is solution for this problem?
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