[Kamailio-Users] Dispatcher ds_list results in flag=P

[Daniel-Constantin Mierla]

Hello,

On 03/04/2010 07:33 AM, Geoffrey Mina wrote:
> As a side note, i have enabled sip tracing on the machines which are
> being flagged as "P", and no SIP packets are ever arriving.  I am
> positive there is no firewall or other device in the middle which
> would be stopping the flow of traffic.
>
> On Wed, Mar 3, 2010 at 10:58 PM, Geoffrey Mina<geoffreymina at gmail.com>  wrote:
>    
>> Hello,
>> I have a weird issue with Dispatcher module.  When I do a ds_list I
>> get some of my destinations returned with flag=P.  It appears that
>> when they are in this state, they are not included in the list of
>> destinations to send traffic to.
>>
>> I have tried restarting Kamailio, and these certain servers always
>> return to flag=P.
>>
>> I have confirmed the servers are up and running fine.  They are
>> communicating without issue at the SIP and network level.
>>
>> Any idea what could cause this?
P is probing mode and destination should go in this state if one call 
couldn't be routed via it.

Do you see OPTIONS messages sent to those gateways while in P mode?

Cheers,
Daniel

-- 
Daniel-Constantin Mierla
Kamailio SIP Router Masterclass, Berlin, March 22-26, 2010
* http://www.asipto.com/index.php/sip-router-masterclass/