Логи:
<--- SIP read from UDP:87.225.30.210:5060 --->
OPTIONS sip:XX.XX.XX.XX:5060 SIP/2.0
Via: SIP/2.0/UDP 87.225.30.210:5060;branch=z9hG4bKlpb4cp3030o13k4aa2s1
Call-ID: 2fd49ec569dc91fd61f150310b06a5cb000g2f0@87.225.30.210
To: sip:ping@ XX.XX.XX.XX
From: <sip:ping@87.225.30.210>;tag=ccb077a7cee91dc377e3ec63e8223bd2000g2f0
Max-Forwards: 70
CSeq: 10270 OPTIONS
<------------->
--- (7 headers 0 lines) ---
Looking for s in public-direct-dial (domain XX.XX.XX.XX)
<--- Transmitting (NAT) to 87.225.30.210:5060 --->
SIP/2.0 404 Not Found
Via: SIP/2.0/UDP 87.225.30.210:5060;branch=z9hG4bKlpb4cp3030o13k4aa2s1;received=87.225.30.210;rport=5060
From: <sip:ping@87.225.30.210>;tag=ccb077a7cee91dc377e3ec63e8223bd2000g2f0
To: sip:ping@ XX.XX.XX.XX;tag=as7306980a
Call-ID: 2fd49ec569dc91fd61f150310b06a5cb000g2f0@87.225.30.210
CSeq: 10270 OPTIONS
Server: AskoziaPBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Accept: application/sdp
Content-Length: 0
<------------>
Scheduling destruction of SIP dialog '2fd49ec569dc91fd61f150310b06a5cb000g2f0@87.225.30.210' in 32000 ms (Method: OPTIONS)
<------------->
--- (7 headers 0 lines) ---
Looking for s in public-direct-dial (domain XX.XX.XX.XX)
<--- Transmitting (NAT) to 87.225.30.210:5060 --->
SIP/2.0 404 Not Found
Via: SIP/2.0/UDP 87.225.30.210:5060;branch=z9hG4bKlpb4cp3030o13k4aa2s1;received=87.225.30.210;rport=5060
From: <sip:ping@87.225.30.210>;tag=ccb077a7cee91dc377e3ec63e8223bd2000g2f0
To: sip:ping@ XX.XX.XX.XX;tag=as7306980a
Call-ID: 2fd49ec569dc91fd61f150310b06a5cb000g2f0@87.225.30.210
CSeq: 10270 OPTIONS
Server: AskoziaPBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH
Supported: replaces, timer
Accept: application/sdp
Content-Length: 0
<------------>
Scheduling destruction of SIP dialog '2fd49ec569dc91fd61f150310b06a5cb000g2f0@87.225.30.210' in 32000 ms (Method: OPTIONS)
Нашел похожую проблему в гугле
https://issues.asterisk.org/jira/browse/ASTERISK-18107
Кто-нибудь знает как починить самостоятельно? Или нужно долбить саппорт РТ?