Re: [OpenSIPS-Users] mid-registrar and WSS

[Esty, Ryan]

All,

Never mind it is registering now. I still have some work to do but after more 
investigation the SIP server was deleting the second VIA which was the via for 
WSS. Now on the register I save it to an avp and then in my register's 
onreply_route I just do an append_hf("Via: ..."). The client sipml5 registers 
and now I can try making calls.

Ryan



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[OpenSIPS-Users] mid-registrar and WSS

[Esty, Ryan]

Hi opensips users,

I have a couple of questions and I'm hoping someone can point me in the right 
direction.

We have a SIP PBX that doesn't do WSS for example using sipml5. I'm trying to 
put opensips in the middle of the SIP PBX and the WSS client with limited 
success using mid-registrar in opensips 2.3. If I don't try to pass the 
registration through and just use opensips as my SIP server the WSS client will 
register and calls can be made. If I do put in the mid-registrar and pass 
through the registration to the SIP PBX the SIP PBX will register the phone and 
pass back the 200 OK the client gets a message back but doesn't think it is for 
him because I'm assuming it is missing the VIA. On a successful registration 
the client will see the VIA on the unsuccessful registration the client doesn't 
see the VIA.


My first question is am I using the mid-registrar as designed I'm trying to set 
it up as contact mirroring (mode 0)? If I did pick the correct method why is my 
VIA disappearing and can I get it back? Someone on the list mentioned this 
https://blog.opensips.org/2016/12/13/how-to-proxy-sip-registrations and I will 
try it soon but it seemed the mid-registrar which I don't think was released 
yet was supposed to automatically do this.

This is the debug output when the registration is failed:
SEND: REGISTER sip:192.168.40.175 SIP/2.0
Via: SIP/2.0/WSS 
df7jal23ls0d.invalid;branch=z9hG4bKd7RGgr1eBtcOk2yUuIUuyvIqWk3G3Or0;rport
From: "Skwisgaar Skwigelf";tag=T9XcAa1Am5fIDrtIo68Z
To: "Skwisgaar Skwigelf"
Contact: "Skwisgaar 
Skwigelf";expires=200;click2call=no;+g.oma.sip-im;+audio;language="en,fr"
Call-ID: 766574bd-8060-562d-1f67-24975848739c
CSeq: 5334 REGISTER
Content-Length: 0
Route: 
Max-Forwards: 70
User-Agent: IM-client/OMA1.0 sipML5-v1.2016.03.04
Organization: Doubango Telecom
Supported: path


SIPml-api.js?svn=252:1 ==session event = connecting
SIPml-api.js?svn=252:1 ==session event = sent_request
SIPml-api.js?svn=252:1 __tsip_transport_ws_onmessage
SIPml-api.js?svn=252:1 recv=SIP/2.0 200 OK
From: "Skwisgaar Skwigelf";tag=T9XcAa1Am5fIDrtIo68Z
To: "Skwisgaar 
Skwigelf";tag=83a00482-48f7-4f78-ab314b6aacadc545
Contact: 
;expires=200
Call-ID: 766574bd-8060-562d-1f67-24975848739c
CSeq: 5334 REGISTER
Content-Length: 0
Server: Sphericall/9.1.0 Build/669
Allow: 
INVITE,ACK,CANCEL,OPTIONS,REFER,BYE,REGISTER,SUBSCRIBE,NOTIFY,UPDATE,PRACK,MESSAGE,INFO
Allow-Events: message-summary,presence

This is the debug output when the registration is successful:
SEND: REGISTER sip:192.168.40.175 SIP/2.0
Via: SIP/2.0/WSS 
df7jal23ls0d.invalid;branch=z9hG4bKLpgkzXTPZl5D5ghXuZ1vmNZXUn9nHkMr;rport
From: "Skwisgaar Skwigelf";tag=RyaJ7SLKEeeTS8r9v0BX
To: "Skwisgaar Skwigelf"
Contact: "Skwisgaar 
Skwigelf";expires=200;click2call=no;+g.oma.sip-im;+audio;language="en,fr"
Call-ID: 6e7fe61e-a51f-96cf-a9a0-e3c3785259b9
CSeq: 7252 REGISTER
Content-Length: 0
Route: 
Max-Forwards: 70
User-Agent: IM-client/OMA1.0 sipML5-v1.2016.03.04
Organization: Doubango Telecom
Supported: path


SIPml-api.js?svn=252:1 ==session event = connecting
SIPml-api.js?svn=252:1 __tsip_transport_ws_onmessage
SIPml-api.js?svn=252:1 recv=SIP/2.0 200 OK
Via: SIP/2.0/WSS 
df7jal23ls0d.invalid;rport=60161;received=172.25.111.53;branch=z9hG4bKLpgkzXTPZl5D5ghXuZ1vmNZXUn9nHkMr
From: "Skwisgaar Skwigelf";tag=RyaJ7SLKEeeTS8r9v0BX
To: "Skwisgaar 
Skwigelf";tag=54638b9941aeeb05912f3f3563e30b77.7a8c
Contact: 
;expires=200;received="sip:172.25.111.53:60161;transport=WSS"
Call-ID: 6e7fe61e-a51f-96cf-a9a0-e3c3785259b9
CSeq: 7252 REGISTER
Content-Length: 0
Server: OpenSIPS (2.3.3 (x86_64/linux))

Ryan

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