Running OpenSIPS 3.4.9 on Debian 12.7, softphones are MicroSIP v3.21.4
Softphone 1
|
-----------------Local_NAT_Router1------------------Local_NAT_Router3-------
-------OpenSIPS Server
| |
| Local_NAT_Router2
| |
| Softphone 2
|
Public Internet
|
| [LOCKED SIP ALG ROUTER]
L----------------Remote_NAT_Router4------------------Remote_NAT_Router5-----
-------Softphone 5
Local softphones 1 & 2 can successfully call remote softphone 5 on TLS with
two way audio.
When softphone 5 attempts a call back on TLS there is the pop-up "Send
failed (477/TM)"
Using "opensips-cli -x mi ul_dump"
This is the local Softphone 2
"AOR": "2",
"Contact": "sip:2@11.11.11.11:37335;transport=TLS;ob",
"ContactID": "3659174697266531",
"Expires": 57,
"Q": "",
"Callid": "56a5db52f0094c7baaaf80323220d576",
"Cseq": 40112,
"User-agent": "MicroSIP/3.21.4",
"State": "CS_NEW",
"Flags": 0,
"Cflags": "",
"Socket": "tls:11.11.11.11:42061",
"Methods": 8063
This is the Remote Softphone 5, behind the locked SIP ALG router.
"AOR": "5",
"Contact": "sip:5@22.22.22.22:56010;transport=TLS;ob",
"ContactID": "3588805953090311",
"Expires": 11,
"Q": "",
"Callid": "859ff264a633470a9e5f05db749174f9",
"Cseq": 10265,
"User-agent": "MicroSIP/3.21.4",
"State": "CS_NEW",
"Flags": 0,
"Cflags": "",
"Socket": "tls:11.11.11.11:42061",
"Methods": 8063
This is the call attempt from remote softphone 5 to local softphone 2
Using "journalctl -xeu opensips.service" to read the call attempt shows:
NOTICE:new branch at sip:2@22.22.22.22;transport=tls
ERROR:proto_tls:proto_tls_conn_init: no TLS client domain found
ERROR:core:tcp_conn_create: failed to do proto 3 specific init for conn
0x7f67a7887d00
ERROR:core:tcp_async_connect: tcp_conn_create failed
ERROR:proto_tls:proto_tls_send: async TCP connect failed
ERROR:tm:msg_send: send() to 22.22.22.22:5061 for proto tls/3 failed
ERROR:tm:t_forward_nonack: sending request failed
opensips.cfg https://pastebin.com/r0kwzG02
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