GOautodial Open Source Omni-channel Contact Center Suite

this are logs from asterisk -vvvvvvvvr during the call

Connected to Asterisk 13.17.2-vici currently running on centos-2gb-hel1-2 (pid = 1718)
Manager 'sendcron' logged on from 127.0.0.1
-- Called 8600051@default
-- Executing [8600051@default:1] Konference("Local/8600051@default-00000010;2", "8600051,R") in new stack
-- Local/8600051@default-00000010;1 answered
-- Executing [91380672620712@default:1] AGI("Local/8600051@default-00000010;1", "agi://127.0.0.1:4577/call_log") in new stack
Manager 'sendcron' logged off from 127.0.0.1
-- AGI Script Executing Application: (EXEC) Options: (Set(_CAMPCUST=66390116))
-- <Local/8600051@default-00000010;1>AGI Script agi://127.0.0.1:4577/call_log completed, returning 0
-- Executing [91380672620712@default:2] Dial("Local/8600051@default-00000010;1", "SIP/380672620712@5351,,tTo") in new stack
Using SIP RTP CoS mark 5
-- Called SIP/380672620712@5351
Manager 'sendcron' logged on from 127.0.0.1
-- Called 58600051@default
-- Executing [58600051@default:1] Konference("Local/58600051@default-00000011;2", "8600051,qLR") in new stack
-- Local/58600051@default-00000011;1 answered
-- Executing [8309@default:1] Answer("Local/58600051@default-00000011;1", "") in new stack
-- Executing [8309@default:2] Monitor("Local/58600051@default-00000011;1", "wav,20230409-150615_380672620712_66390116_agent005") in new stack
-- Executing [8309@default:3] Wait("Local/58600051@default-00000011;1", "3600") in new stack
Manager 'sendcron' logged off from 127.0.0.1
-- SIP/5351-0000000b is ringing
[Apr 9 07:06:20] WARNING[1585][C-00000036]: file.c:774 ast_openstream_full: File confbridge-join does not exist in any format
-- SIP/5351-0000000b is ringing
> 0x1da1be0 -- Strict RTP learning after remote address set to: 185.168.129.154:45510
-- SIP/5351-0000000b answered Local/8600051@default-00000010;1
-- Channel SIP/5351-0000000b joined 'simple_bridge' basic-bridge &lt;450a512b-2677-4f02-bc60-790750686407&gt;
-- Channel Local/8600051@default-00000010;1 joined 'simple_bridge' basic-bridge &lt;450a512b-2677-4f02-bc60-790750686407&gt;
> 0x1da1be0 -- Strict RTP switching to RTP target address 185.168.129.154:45510 as source
> 0x1da1be0 -- Strict RTP learning complete - Locking on source address 185.168.129.154:45510
[Apr 9 07:06:37] NOTICE[1775]: chan_sip.c:28627 handle_request_register: Registration from '&lt;sip:453@135.181.43.221&gt;' failed for '104.223.37.114:56977' - Wrong password
Manager 'sendcron' logged on from 127.0.0.1
-- Manager 'sendcron' from 127.0.0.1, hanging up channel: SIP/5351-0000000b
-- Channel SIP/5351-0000000b left 'simple_bridge' basic-bridge <450a512b-2677-4f02-bc60-790750686407>
Manager 'sendcron' logged off from 127.0.0.1
-- Channel Local/8600051@default-00000010;1 left 'simple_bridge' basic-bridge &lt;450a512b-2677-4f02-bc60-790750686407&gt;
Spawn extension (default, 91380672620712, 2) exited non-zero on 'Local/8600051@default-00000010;1'
-- Executing [h@default:1] AGI") in new stack
-- <Local/8600051@default-00000010;1>AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----16-----ANSWER-----38-----38-----SIP 200 OK) completed, returning 0
[Apr 9 07:06:55] WARNING¹⁵⁸⁵[C-00000036]: func_hangupcause.c:140 hangupcause_read: Unable to find information for channel
-- Executing [h@default:1] AGI") in new stack
-- <Local/8600051@default-00000010;2>AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----16--------------------) completed, returning 0
Manager 'sendcron' logged on from 127.0.0.1
[Apr 9 07:06:55] NOTICE[1679]: manager.c:4309 action_hangup: Request to hangup non-existent channel: Local/8600051@default-00000010;2
Manager 'sendcron' logged off from 127.0.0.1
Manager 'sendcron' logged on from 127.0.0.1
[Apr 9 07:06:55] WARNING[1594][C-00000038]: file.c:774 ast_openstream_full: File confbridge-leave does not exist in any format
-- Manager 'sendcron' from 127.0.0.1, hanging up channel: Local/58600051@default-00000011;2
[Apr 9 07:06:55] WARNING[1594][C-00000038]: func_hangupcause.c:140 hangupcause_read: Unable to find information for channel
-- Executing [h@default:1] AGI("Local/58600051@default-00000011;2", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----0--------------------)") in new stack
Manager 'sendcron' logged off from 127.0.0.1
-- <Local/58600051@default-00000011;2>AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----0--------------------) completed, returning 0
Spawn extension (default, 8309, 3) exited non-zero on 'Local/58600051@default-00000011;1'
[Apr 9 07:06:55] WARNING[1593][C-00000039]: func_hangupcause.c:140 hangupcause_read: Unable to find information for channel
-- Executing [h@default:1] AGI("Local/58600051@default-00000011;1", "agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----0--------------------)") in new stack
-- &lt;Local/58600051@default-00000011;1&gt;AGI Script agi://127.0.0.1:4577/call_log--HVcauses--PRI-----NODEBUG-----0--------------------) completed, returning 0
Manager 'sendcron' logged on from 127.0.0.1 == Manager 'sendcron' logged on from 127.0.0.1

And the system tries to log in to some 64.188.30.98 on its own, even when I disable all trunks.

Kyryll Osipkov wrote in RE: No sound during a call:

And the system tries to log in to some 64.188.30.98 on its own, even when I disable all trunks.

it solved. there was, aka, a password bruteforce

We highly recommend installing fail2ban to protect your GOautodial server from brute-force attacks.

HOWTO Fail2ban