Hi

I tried to figured out what you said and I made some tests but without success.

Let me give you more info.

Scenario 1

Our issue  is due to the Proxy Edge, indeed if we configuring the Register (We have followed the websocket module documentation)  to directly manage the request from client everything works fine.

   Browser                      Register
Client JsSIP                   Websocket
  |                                |
  |                                |
  | ----------Register-----------> |
  | <----------200 OK  ----------- |
  |                                |
  | ----------Subscribe----------> |
  | <----------200 OK  ----------- |
  |                                |
  |<----------NOTIFY ----------- |
  |                                |



Scenario 2

Instead when we configuring the proxy edge with websocket (we have followed the *edge_websocket.cfg* example)  and the register without websocket we face the issue. As I wrote  in my previous mail into the log file of  both proxy and register server we find "*Unresolvable destination (478/SL*".

   Browser                    Proxy Edge                          Register
Client JsSIP                   Websocket                     no websocket
  |                                |                         |
  |                                |                         |
  | ----------Register-----------> | -----------Register----------> |
  | <----------200 OK  ----------- | <----------200 OK  ----------- |
  |                                |                                |
  | ----------Subscribe----------> | -----------Subscribe---------> |
  | <----------200 OK  ----------- | <----------200 OK  ----------- |
  |                                |                         |
  |                        X<--- | <----------NOTIFY  ----------- |
  |                                |                         |


Could you please give more details to solve this issue.

Thanks a lot for your time.

Regards


------------------------------------------------------------------------

Ing. Giovanni Iamonte
Developments and technologies area
Quintetto Srl
Via Monte Navale, 1
10015 - Ivrea (TO)
 mobile: +39 393 9196310
 tel: +39 0165 1845290
 e-mail: giovanni.iamo...@quintetto.it
 web: www.quintetto.it

On 20/12/22 14:47, M S wrote:
In WebRTC (websocket) the contact header always has invalid URI, so, you MUST either use path module OR add contact alias for both REGISTER and SUBSCRIBE requests otherwise any subsequent incoming SIP requests such as INVITE and NOTIFY won't be routed to endpoint (SIP client).

See websocket module documentation which has an example configuration script for handling these requests.

Kind regards,

--
Muhammad Shahzad Shafi
Tel: +49 176 99 83 10 85


On Tue, Dec 20, 2022, 13:40 Giovanni Iamonte <iamo...@quintetto.it> wrote:

    Dear List

    We have configured kamailio to work as a proxy edge and register.

    As a proxy edge cfg file we have used the example
    *edge_websocket.cfg.**
    *
    We are developing two different client the first one based on
    *PJSIP* and the other one based *JsSIP*.

    Client PJSIP (no websockets)
    everything work perfectly, REGISTER, SUBSCRIBE, NOTIFY, PUBLISH,
    MESSAGE, INVITE

    Client JsSIP (with websockets)
    The REGISTER, SUBSCRIBE works, the NOTIFY does not work.
    In more in details we have:

       Browser                    Proxy Edge                       
    Register
    Client JsSIP Websocket
      | |                                |
      | |                                |
      | ----------Register-----------> | -----------Register----------> |
      | <----------200 OK  ----------- | <----------200 OK  ----------- |
      |                                |                                |
      | ----------Subscribe----------> | -----------Subscribe---------> |
      | <----------200 OK  ----------- | <----------200 OK  ----------- |
      | |                                |
      |                          X<--- | <----------NOTIFY  ----------- |
      | |                                |


    As you can see the NOTIFY start from Register and reach the proxy,
    beloe the Register log file and the sip messages.

    Could somebody put me in the right direction.

    Thanks

    Bye


    *Log File*

    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/tcp_read.c:1533]: tcp_read_req(): content-length=0
    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/parser/parse_fline.c:249]: parse_first_line(): first line
    type 2 (reply(status)) flags 1
    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/parser/msg_parser.c:689]: parse_msg(): SIP Reply  (status):
    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/parser/msg_parser.c:690]: parse_msg():  version: <SIP/2.0>
    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/parser/msg_parser.c:692]: parse_msg():  status:  <478>
    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/parser/msg_parser.c:694]: parse_msg():  reason: 
    <Unresolvable destination (478/SL)>
    Dec 20 10:51:58 kr-server /usr/sbin/kamailio[87875]: DEBUG: <core>
    [core/parser/parse_hname2.c:301]: parse_sip_header_name(): parsed
    header name [Via] type 1

    *Sip Messages*

    *REGISTER* sip:sip-register.quintetto.it
    <http://sip-register.quintetto.it> SIP/2.0
    Via: SIP/2.0/WSS 13569868356.invalid;branch=z9hG4bK7825787
    Max-Forwards: 69
    To: <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>
    From: "quintetto00" <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=2tnuk9btmp
    Call-ID: unrnseei8924hf67khoi3g
    CSeq: 2 REGISTER
    Authorization: Digest algorithm=MD5, username="quintetto00",
    realm="sip-register.quintetto.it
    <http://sip-register.quintetto.it>",
    nonce="Y6GUq2Ohk3//HTza7ZYMfd85XMdavgnc",
    uri="sip:sip-register.quintetto.it
    <http://sip-register.quintetto.it>",
    response="c9cc56d2d5e36b0a68873c1d5258d062"
    Contact: <sip:quintetto00@13569868356.invalid;transport=ws>
    
<mailto:sip:quintetto00@13569868356.invalid;transport=ws>;+sip.ice;reg-id=1;+sip.instance="<urn:uuid:64e71c57-fd55-4868-be2b-a4a3fa546ac8>";expires=3600
    Expires: 3600
    Allow:
    
INVITE,ACK,CANCEL,BYE,UPDATE,MESSAGE,OPTIONS,REFER,INFO,NOTIFY,SUBSCRIBE,PUBLISH
    Supported: path,gruu,outbound
    User-Agent: JsSIP 3.10.0
    Content-Length: 0


    SIP/2.0 *200 OK*
    Via: SIP/2.0/WSS
    
13569868356.invalid;rport=37566;received=192.168.100.192;branch=z9hG4bK7825787
    To: <sip:quintett...@sip-register.quintetto.it>
    
<mailto:sip:quintett...@sip-register.quintetto.it>;tag=2b789d0fa67ad6c2da65f0cce35dd60b.71a84df9
    From: "quintetto00" <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=2tnuk9btmp
    Call-ID: unrnseei8924hf67khoi3g
    CSeq: 2 REGISTER
    Contact: <sip:quintetto00@13569868356.invalid;transport=ws>
    
<mailto:sip:quintetto00@13569868356.invalid;transport=ws>;expires=3600;+sip.instance="<urn:uuid:64e71c57-fd55-4868-be2b-a4a3fa546ac8>";reg-id=1
    Server: kamailio (5.6.2 (x86_64/linux))
    Content-Length: 0



    *SUBSCRIBE* sip:quintett...@sip-register.quintetto.it SIP/2.0
    Via: SIP/2.0/WSS 13569868356.invalid;branch=z9hG4bK3648599
    Max-Forwards: 69
    To: <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>
    From: "quintetto00" <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=o261bh2uh7
    Call-ID: 4beh90hur8hdhptnbjt8
    CSeq: 5813 SUBSCRIBE
    Proxy-Authorization: Digest algorithm=MD5, username="quintetto00",
    realm="sip-register.quintetto.it
    <http://sip-register.quintetto.it>",
    nonce="Y6GU+mOhk86y3fnrMzoKgiVAdkaTvBId",
    uri="sip:quintett...@sip-register.quintetto.it"
    <mailto:sip:quintett...@sip-register.quintetto.it>,
    response="04ca6d83661ac338810baa95ffaa568b"
    Event: presence
    Expires: 3600
    Accept: application/pidf+xml, application/xpidf+xml
    Contact: <sip:quintetto00@13569868356.invalid;transport=ws>
    <mailto:sip:quintetto00@13569868356.invalid;transport=ws>
    Content-Type: application/pidf+xml
    Allow:
    
INVITE,ACK,CANCEL,BYE,UPDATE,MESSAGE,OPTIONS,REFER,INFO,NOTIFY,SUBSCRIBE,PUBLISH
    Supported: outbound
    User-Agent: JsSIP 3.10.0
    Content-Length: 35



    SIP/2.0 *200 OK*
    Record-Route: <sip:192.168.100.24:15006;transport=tcp;r2=on;lr>
    Record-Route: <sip:192.168.100.24:16005;transport=ws;r2=on;lr>
    Via: SIP/2.0/WSS
    
13569868356.invalid;rport=37566;received=192.168.100.192;branch=z9hG4bK3648599
    To: <sip:quintett...@sip-register.quintetto.it>
    
<mailto:sip:quintett...@sip-register.quintetto.it>;tag=c906ce7d8b5c7cc84a3505ebe369640b-e45527ec
    From: "quintetto00" <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=o261bh2uh7
    Call-ID: 4beh90hur8hdhptnbjt8
    CSeq: 5813 SUBSCRIBE
    Expires: 3600
    Contact: <sip:192.168.100.23:15006;transport=tcp>
    Server: kamailio (5.6.2 (x86_64/linux))
    Content-Length: 0



    *NOTIFY*.sip:quintetto00@13569868356.invalid;transport=ws.SIP/2.0
    Via:.SIP/2.0/TCP.1 92.168.100.23:15 <http://92.168.100.23:15>
    006;branch=z9hG4bK28ad.a5d3bdf6000000000000000000000000.0
    To: <sip:quintett...@sip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=o261bh2uh7
    From: <sip:quintett...@sip-register.quintetto.it>
    
<mailto:sip:quintett...@sip-register.quintetto.it>;tag=c906ce7d8b5c7cc84a3505ebe369640b-e45527ec
    CSeq : 2 NOTIFY
    Call-ID:.4beh90hur8h dhptnbjt8
    Route : <sip:192.168.1
    00.24:15006;transport=tcp;r2=on;lr>,.<sip:192.16
    8.100.24:16005;transport=ws;r2=on;lr>
    Content-Length:.0
    User-Agent: kamailio.(5.6.2.(x86_64/li nux))
    Max-Forwards:.70
    Event: presence
    Contact:.<sip:192.168.100.23:15006;transport=tcp>
    Subscription-State: active;expires= 3600

    SIP/2.0.478.Unresolvable.destination.(478/SL)
    Via: SIP/2.0/TC P.192.168.100.23
    :15006;branch=z9hG4bK28ad.a5d3bdf6000000000000000000000000.0;rport=38019
    To:.<sip:quintetto00@s ip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=o261bh2uh7
    From: <sip:quintetto03 @sip-register.quintetto.it
    
<http://sip-register.quintetto.it>>;tag=c906ce7d8b5c7cc84a3505ebe369640b-e45527ec
    CSeq: 2 NOTIFY
    Call-ID: 4beh90hur8hdhptnbjt8
    Server :.kamailio.(5.6.2.(x86_64/linux))
    Content-Length: 0

    SIP/2.0.478.Unresolvable.destination.(478/TM)
    Via: SIP/2.0/TC
    
P.192.168.100.23:15006;branch=z9hG4bK28ad.a5d3bdf6000000000000000000000000.0;rport=38019
    To: <sip:quintetto00@s ip-register.quintetto.it>
    <mailto:sip:quintett...@sip-register.quintetto.it>;tag=o261bh2uh7
    From: <sip:quintetto03 @sip-register.quintetto.it
    
<http://sip-register.quintetto.it>>;tag=c906ce7d8b5c7cc84a3505ebe369640b-e45527ec
    CSeq: 2 NOTIFY
    Call-ID: 4beh90hur8hdhptnbjt8
    Server : kamailio.(5.6.2.(x86_64/linux))
    Content-Length: 0









-- ------------------------------------------------------------------------

    Ing. Giovanni Iamonte
    Developments and technologies area
    Quintetto Srl
    Via Monte Navale, 1
    10015 - Ivrea (TO)
     mobile: +39 393 9196310
     tel: +39 0165 1845290
     e-mail: giovanni.iamo...@quintetto.it
     web: www.quintetto.it <http://www.quintetto.it>

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