HI,

I am facing a problem related to the IMC module.

I have installed kamailio 5.2.x and I tried to list the members of a room-qsipchat.

In my test environment the kamailio.cfg file it is very basic, the kamailio server listen on
tcp=192.168.100.192:15006

the client run on a PC with IP address 192.168.100.156

the imc outbound_proxy is set
modparam("imc", "db_url", DBURL)
modparam("imc", "imc_cmd_start_char", "#")
modparam("imc", "outbound_proxy", "sip:sip-test.quintetto.it:15006;transport=tcp")

The client start by sending a #join message to kamailio and looking the log file I can see that the room-qsipchat has been create, and also I received the message 200 OK.

By using the tcpdump I can see the join message from the Client to kamailio server and the reply from kamailio to the client.

When I send the #list message to the room-qsipchat , I expecting to receive the message relate to room's members and the 200 OK message.

When I tcp dumping I saw the following messages

********************************************************************
Request from client to list the members - from client to server

********************************************************************

TX 538 bytes Request msg MESSAGE/cseq=57652 (tdta0x77b26460a8) to TCP 192.168.100.192:15006:
    MESSAGE sip:room-qsipchat@sip-test.quintetto.it SIP/2.0
    Via: SIP/2.0/TCP 192.168.100.156:48129;rport;branch=z9hG4bKPjRzgOBgY6vfKZ8Fh8GA4CWheCO840Xzud;alias
    Max-Forwards: 70
    From: <sip:quintetto00@sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
    To: <sip:room-qsipchat@sip-test.quintetto.it>
    Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
    CSeq: 57652 MESSAGE
    Accept: text/plain, application/im-iscomposing+xml
    Route: <sip:sip-test.quintetto.it:15006;transport=tcp;lr>
    Content-Type: text/plain
    Content-Length:     5
    
    #list

********************************************************************    
The server ask for the authentication - from server to client

********************************************************************  

2022-10-17 15:45:25.837 4700-10610/it.quintetto.qsipchat D/pjlib(pjsua_1): RX 574 bytes Response msg 407/MESSAGE/cseq=57652 (rdata0x77b3337330) from TCP 192.168.100.192:15006:
    SIP/2.0 407 Proxy Authentication Required
    Via: SIP/2.0/TCP 192.168.100.156:48129;rport=48129;branch=z9hG4bKPjRzgOBgY6vfKZ8Fh8GA4CWheCO840Xzud;alias;received=192.168.100.156
    From: <sip:quintetto00@sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
    To: <sip:room-qsipchat@sip-test.quintetto.it>;tag=1e5fbdd4b14eff95c400342f4634da91.e417
    Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
    CSeq: 57652 MESSAGE
    Proxy-Authenticate: Digest realm="sip-test.quintetto.it", nonce="Y01doWNNXHVEyRtiAyN28xJdMjNIG8Ju"
    Server: kamailio (5.2.8 (x86_64/linux))
    Content-Length: 0
 

   
*********************************************************************
The client send the authenticated request -  from client to server

******************************************************************** 

TX 755 bytes Request msg MESSAGE/cseq=57653 (tdta0x77b26460a8) to TCP 192.168.100.192:15006:
    MESSAGE sip:room-qsipchat@sip-test.quintetto.it SIP/2.0
    Via: SIP/2.0/TCP 192.168.100.156:48129;rport;branch=z9hG4bKPjj6uuy25r0kKlnICHKQWEaIweOex-sNyq;alias
    Max-Forwards: 70
    From: <sip:quintetto00@sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
    To: <sip:room-qsipchat@sip-test.quintetto.it>
    Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
    CSeq: 57653 MESSAGE
    Accept: text/plain, application/im-iscomposing+xml
    Route: <sip:sip-test.quintetto.it:15006;transport=tcp;lr>
    Proxy-Authorization: Digest username="quintetto00", realm="sip-test.quintetto.it", nonce="Y01doWNNXHVEyRtiAyN28xJdMjNIG8Ju", uri="sip:room-qsipchat@sip-test.quintetto.it", response="d495ec20cb1be8f1b605d4e5b1a4c357"
    Content-Type: text/plain
    Content-Length:     5
    
    #list
    

**************************************************************************
The server send the 200 OK message - from server to client

********************************************************************

RX 447 bytes Response msg 200/MESSAGE/cseq=57653 (rdata0x77b3337330) from TCP 192.168.100.192:15006:
    SIP/2.0 200 ok
    Via: SIP/2.0/TCP 192.168.100.156:48129;rport=48129;branch=z9hG4bKPjj6uuy25r0kKlnICHKQWEaIweOex-sNyq;alias;received=192.168.100.156
    From: <sip:quintetto00@sip-test.quintetto.it>;tag=1is.Ng6ZKJmCT1uAJ9WuJhe3hiQysj9f
    To: <sip:room-qsipchat@sip-test.quintetto.it>;tag=1e5fbdd4b14eff95c400342f4634da91.365f
    Call-ID: GwOQMLFfIq7o7jvF4OQlJ-jBb2OBaAKY
    CSeq: 57653 MESSAGE
    Server: kamailio (5.2.8 (x86_64/linux))
    Content-Length: 0
   

   
*********************************************************************************
Till here everything is OK.

But regarding the members when a TCP dumping I saw a message with the room's members
that go from the kamailio server to the kamailio server

*********************************************************************************

MESSAGE sip:quintetto00@sip-test.quintetto.it SIP/2.0
    Via: SIP/2.0/TCP 192.168.100.192:15006;branch=z9hG4bKf20a.be253b92000000000000000000000000.0
    To: <sip:quintetto00@sip-test.quintetto.it>
    From: <sip:room-qsipchat@sip-test.quintetto.it>;tag=03e4c67b0f95c0aeb1f633479b4aa5cd-72f2
    CSeq: 10 MESSAGE
    Call-ID: 37db44aa523ea24a-6567@192.168.100.192
    Max-Forwards:.70
    Content-Length: 47
    User-Agent: kamailio (5.2.8 (x86_64/linux))
    Content-Type: text/plain

    Members:
    *sip:quintetto00@sip-test.quintetto.it

**************************************************************************************
a reply from the kamailio server to the kamailio server, with an authenticated request

**************************************************************************************

SIP/2.0.407.Proxy Authentication.Required
Via: SIP/2.0/TCP 192.168.100.192:15006;branch=z9hG4bKf20a.be253b92000000000000000000000000.0
To: <sip:quintetto00@sip-test.quintetto.it>;tag=1e5fbdd4b14eff95c400342f4634da91.cfc3
From: <sip:room-qsipchat@sip-test.quintetto.it>;tag=03e4c67b0f95c0aeb1f633479b4aa5cd-72f2
CSeq: 10 MESSAGE
Call-ID: 37db44aa523ea24a-6567@192.168.100.192
Proxy-Authenticate: Digest realm="sip-test.quintetto.it", nonce="Y01fQmNNXhbsHdM1THmENyJn1MH/VD/8"
Server: kamailio (5.2.8 (x86_64/linux))
Content-Length:.0

**************************************************************************************
bottom of line the outbound_proxy request for an authenticated request, but kamailio do not reply to this request.

Could you please point me in the right direction?

Thanks a lot for any help.

Bye