Error 476 Unresolvable destination

[pir...@gmail.com]

Good afternoon, I'm using OverSIP with OpenSIPS to connect a JsSIP
client (the TryIt demo running in local) with LinPhone, and I'm able
to connect from JsSIP to LinPhone and send chat messages but don't in
the other way, receiving an error "476 Unresolvable destination". I've
tested this both with OverSIP and OpenSIPS running on independent
machines and also in localhost, both with the same result. Doing a
trace with WireShark when both programs where running in local using
the loop interface, it seems it's a DNS problem trying to find the
.invalid domain created by OverSIP for the WebSocket connection. What
could be happening? How can I be able to fix it?

Greetings, Jesús Leganés Combarro "piranna".


--
"Si quieres viajar alrededor del mundo y ser invitado a hablar en un
monton de sitios diferentes, simplemente escribe un sistema operativo
Unix."
– Linus Tordvals, creador del sistema operativo Linux

[Iñaki Baz Castillo]

2013/7/15 pir...@gmail.com <pir...@gmail.com>:

> Good afternoon, I'm using OverSIP with OpenSIPS to connect a JsSIP
> client (the TryIt demo running in local) with LinPhone, and I'm able
> to connect from JsSIP to LinPhone and send chat messages but don't in
> the other way, receiving an error "476 Unresolvable destination". I've
> tested this both with OverSIP and OpenSIPS running on independent
> machines and also in localhost, both with the same result. Doing a
> trace with WireShark when both programs where running in local using
> the loop interface, it seems it's a DNS problem trying to find the
> .invalid domain created by OverSIP for the WebSocket connection. What
> could be happening? How can I be able to fix it?

Could you please provide a capture (here in text within the mail
better than a pcap) of the SIP request arriving to OverSIP (that being
rejected with 476)?

--
Iñaki Baz Castillo
<i...@aliax.net>

[José Luis Millán]

Are you using a SIP Registrar Piranna?

2013/7/15 Iñaki Baz Castillo <i...@aliax.net>

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José Luis Millán

[Jesús Leganés Combarro]

I'm using the local running OpenSIPS and the external ones as registars. The external one accept any client connection always it has it's domain, and the local one with the default ubuntu package configuration (no database) does the same, so I supose both has the same configuration.

How can I be able to get the capture in text format? I have it in pcap.

[José Luis Millán]

You can redirect the output of ngrep to a text file.

`ngrep -d any -p -q -W byline port 5060`

5060 or the port where OpenSIPs is listening.

2013/7/15 Jesús Leganés Combarro <pir...@gmail.com>

--
José Luis Millán

[pir...@gmail.com]

I have the capture in pcap format fetch with WireShark, how can I
convert it? I don't know where or how I should use ngrep... :-/

2013/7/15 José Luis Millán <jmi...@aliax.net>:

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>



--

[Iñaki Baz Castillo]

Take a look to ngrep-sip:

http://dev.sipdoc.net/projects/sip-stuff/wiki/Ngrep-SIP

;)

2013/7/15 pir...@gmail.com <pir...@gmail.com>:

Iñaki Baz Castillo
<i...@aliax.net>

[pir...@gmail.com]

Here I've atached two trace in text format exported from WireShark,
one only with a capture of only the SIP messages related to the
problem from the first time I saw it, and another after running
OverSIP and OpenSIPS both on my local machine of the full process
since JsSIP try to reister to the OpenSIPS server and send chat
messages to the LinPhone client and viceversa.

2013/7/15 Iñaki Baz Castillo <i...@aliax.net>:

[Iñaki Baz Castillo]

It is OpenSIPS replying 476 and not OverSIP. Not sure if you have
enabled Path support in OpenSIPS which is required to work in this
scenario. Otherwise OpenSIPS will retrieve the binding/location of
"jssip" user, which would have a Contact like
"sip:js...@xxxxxx.invalid;transport=ws" and of course OpenSIPS cannot
open a WS connection.

2013/7/16 pir...@gmail.com <pir...@gmail.com>:

[pir...@gmail.com]

Reading OpenSIPS doc seems to be the solution, but where should I set
this? Reading the docs I only find about setting modparam("register",
"use_path", 1) on opensips.cfg, but this seems to be for v1.4
requiring new ones to use save(), but where should I set it?

2013/7/16 Iñaki Baz Castillo <i...@aliax.net>:

[Iñaki Baz Castillo]

2013/7/16 pir...@gmail.com <pir...@gmail.com>:

> Reading OpenSIPS doc seems to be the solution, but where should I set
> this? Reading the docs I only find about setting modparam("register",
> "use_path", 1) on opensips.cfg, but this seems to be for v1.4
> requiring new ones to use save(), but where should I set it?

Honestly no idea, probably it is better to ask it in the OpenSISP maillist ;)

[pir...@gmail.com]

We'll take a workaround until the local openSIPS expert come back to
see it, so now i'll start digging with JsSIP instead and at last start
coding again since two weeks ago... :-P

2013/7/17 Iñaki Baz Castillo <i...@aliax.net>:

[weimade chenwei]

hey,did you fix the error?

i face the same error...

在 2013年7月17日星期三 UTC+8下午5:38:15，Jesús Leganés Combarro写道：