[SR-Users] nat_uac_test mode parameter 16

[Daniel-Constantin Mierla]

On 31.07.2009 11:55 Uhr, Andrew O. Zhukov wrote:
> I just spend a lot of time to fix a trouble with Cisco AS5300 (AS5350) 
> BYE message disapearing.
> The same not resolved case here:
> http://lists.iptel.org/pipermail/serusers/2005-July/021698.html
>
> The source of trouble was in the nat_uac_test parameter 16:
>
> Here is the part of cisco log:
> Jul 31 12:16:00.726 UKR: CCSIP-SPI-CONTROL: 
> act_idle_connection_created: Connid(1) created to 193.28.184.13:5060, 
> local_port 50058
>
> --Skipped---
> Jul 31 12:16:00.738 UKR: Sent:
> INVITE sip:3039100 at 193.28.184.13:5060 SIP/2.0
> Via: SIP/2.0/UDP  193.28.184.21:5060
> From: <sip:2308228 at 193.28.184.21>;tag=12E601F8-10C7
> To: <sip:3039100 at 193.28.184.13>
>
> Via header the same in the all availible IOS-es.
>
> As the result openser considerate the Cisco is out of the nat box.
>
> The question is: Can someone show me the case when this parameter is 
> necessary, before I'll switch it of on the production server?
I am not sure I got the problem here. Can you send entire sip trace for 
such a call? ser/openser does not store dialog state, so the ua should 
update details within calls. be sure you can the nathelper contact 
update function for ack as well.

Daniel

-- 
Daniel-Constantin Mierla
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