[asterisk-users] Remote registering fails

Daniel Bareiro daniel-listas at gmx.net
Sat Apr 10 17:54:34 CDT 2010


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Hi all!

I'm trying to test with a friend who has an Asterisk in his office with
the Asterisk which I have in my house. Then I have an extension that he
is trying to register remotely.

Trying with the Twinkle client, I see that it is registered:

- ---------------------------------------------------------------------------
400/400                    190.0.163.57     D   N      5060     OK (35 ms)
- ---------------------------------------------------------------------------

but to the few seconds I obtain the following thing in Asterisk CLI:

- ---------------------------------------------------------------------------
400/400                    190.0.163.57     D   N      5060     UNREACHABLE
- ---------------------------------------------------------------------------

And Twinkle gives an error "408 request timeout". And when he tries to
make the register through his Asterisk instead of use Twinkle, after a
little while he obtains errors of this type:

- ---------------------------------------------------------------------------
[Apr 10 19:07:18] NOTICE[16848]: chan_sip.c:7618 sip_reg_timeout:    --
Registration for '400 at myremotehome.com' timed out, trying again
(Attempt #138)
- ---------------------------------------------------------------------------

This is the configuration that I'm using for the extension:

- ---------------------------------------------------------------------------
[400]
username=400
type=friend
secret=passwd
qualify=yes
callerid="Daniel" <400>
host=dynamic
nat=no
context=from-internal
mailbox=400 at voicemail
canreinvite=no
- ---------------------------------------------------------------------------

I tried with both "nat=yes" ---as it is possible to be observed above---
and "nat=no", and we always obtain the same behavior. My Asterisk server
is installed in the same firewall with GNU/Linux.

I don't believe that it is a problem with the ports since the client
registers itself at some time. Whatever happens, I'm allowing
connections for the remote IP to the 5060 tcp/UDP port and 10000:20000
UDP in the firewall. The router that it is ahead has these ports
redirected to the firewall.

Also I'm using externhost, externip and localnet in
/etc/asterisk/sip.conf


Which can be the problem?

Thanks in advance for your reply.

Regards,
Daniel

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