[OpenSIPS-Users] problem with uac registration

[Cosimo Fadda]

Hi Lorenzo
just few questions,
- where are you making the captures (on your pc or on the server running 
opensips)?, I mean, are you sure that the server is receiving the requests?
- Are you sure that mjsips supports STUN?

C.

lorenzo ha scritto:
> hi!
>
> i'm developing a sip client and i'm new to using opensips (before i
> relied on public sip servers)
>
> i'm having some trouble with registering to opensips. i do not think
> it's a problem with opensips in itself, but i think you could help me
> solve the issue (you've been warned, this may be slightly OT ;) )
>
> when i try to connect to the opensips server using the telephone app[2],
> everything goes smooth.
> using my app, *sometimes it works, sometimes it doesn't*. i haven't been
> able to determine the reason.
>
> here are the wireshark capture of telephone's request:
> I.8E4K at mdX.bREGISTER sip:biascica.pipps.net SIP/2.0
> Via: SIP/2.0/UDP
> 93.148.135.32:14810;rport;branch=z9hG4bKPj6oC4Dpa6zNgapScuG75X8tBMdYk.qotP
> Max-Forwards: 70
> From: "asdomar"
> <sip:biascica at biascica.pipps.net>;tag=Pa0-GnWltHWcRSFW9cJAZqP3ut2eBss2
> To: "asdomar" <sip:biascica at biascica.pipps.net>
> Call-ID: lR8wJZYTbGIyEsVUijltUxafN4.Ce94g
> CSeq: 41254 REGISTER
> User-Agent: Telephone 0.14.3
> Contact: "asdomar" <sip:biascica at 93.148.135.32:14810>
> Expires: 300
> Content-Length:  0
>
> while this is the capture of my app's request:
>
> REGISTER sip:biascica.pipps.net SIP/2.0
> Via: SIP/2.0/UDP 93.148.135.32:5060;rport;branch=z9hG4bK54695
> Max-Forwards: 70
> To: <sip:asymmetric at biascica.pipps.net>
> From: <sip:asymmetric at biascica.pipps.net>;tag=z9hG4bK03393413
> Call-ID: 030448912644 at 93.148.135.32
> CSeq: 1 REGISTER
> Contact: <sip:asymmetric at 93.148.135.32:5060;transport=udp>
> Expires: 3600
> User-Agent: mjsip stack 1.6
> Content-Length: 0
>
> (as you can see, i'm using mjsip[2] as my sip stack)
>
> note that both apps are running on my computer (one is actually running
> on the android emulator), and are stun-aware (both are using
> stun01.sipphone.com as their stun server).
> is there anything that would justify the opensips server not replying to
> the latter request?
> another, connected problem is that calls from my app to telephone go out
> ok, whereas incoming calls, from telephone to my app, seem to get lost.
>
> i can provide opensips logs, but i think they're quite irrelevant, since
> when my requests get ignored, there's no mention of them in the logs.
>
>
> thanks
> asymmetric
>
> [1] http://code.google.com/p/telephone/
> [2] http://www.mjsip.org
>
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