Then you have any intermediate device (known or unknown) that does filtering or 
mangling in some way…
Try to trace the sip packet on every hop between the 2 servers to see how far 
it goes.

Regards,
- vma
.

On Sep 22, 2011, at 12:07 AM, Schneur Rosenberg wrote:

> The packet does not reach asterisk, I did a ngrep on the asterisk
> server and not a single packet arrives from the opensips when using
> the Aastra phone, therefore its not sending back anything, the
> asterisk CLI is also quiet nothing whatsoever :-(
> 
> On Thu, Sep 22, 2011 at 1:03 AM, Vallimamod ABDULLAH
> <[email protected]> wrote:
>> Hi Schneur,
>> 
>> What do you mean precisely by never hitting the asterisk server ?
>> As your ngrep trace shows, both packets are sent over the wire to the exact 
>> same address (68.233.222.9:5060) so they should both reach Asterisk. But 
>> it's possible that the latter doesn't treat them the same way, depending on 
>> nat issues most of the time (Asterisk send replies to the contact header URI 
>> by default if I recall correctly...)
>> 
>> Try to make a ngrep trace on the iface attached to 68.233.222.9 and check if 
>> Asterisk does not send the answer to a different IP. Also enable the debug 
>> log on the asterisk console to spot any error / warning messages or sip 
>> retransmissions.
>> 
>> Hope this would help.


_______________________________________________
Users mailing list
[email protected]
http://lists.opensips.org/cgi-bin/mailman/listinfo/users

Reply via email to