Why is outgoing calls not working on freepbx?

Question

Asterisk

There is a tp-link tl-r860 router freepbx is connected to it. Within the network, calls are made in normal mode, but when an outgoing call is made to an external phone, it shows that the line is busy. ports are registered on the router 5060-5061, 10000-20000
here are the error logs
<------------->
--- (11 headers 0 lines) ---
[2018-04-08 00:41 :33] NOTICE[2029]: chan_sip.c:24544 handle_response_register: Outbound Registration: Expiry for 77.72.127.180 is 120 sec (Scheduling reregistration in 105 s)
Really destroying SIP dialog '[email protected] Method:
[email protected] (NAT) to 46.166.187.137:5076 : SIP /
2.0 200 OK
From: 7000

Answer 1

here are sip.conf settings
insecure=invite,port
type=friend
defaultuser=*********
secret=********
fromuser=***********
host=* **********
port=5061
dtmfmode=rfc2833
allow=alaw
qualify=yes
context=from-trunk
Yes, and I forgot to say that granstream gxp 1625 are connected, and for some reason the red indicator is constantly flashing on them, as far as I know this should not be

Answer 2

Do you have a white IP on your router? NAT on the router and NAT on the provider are completely different things.