[Freeswitch-users] NAT issue with SBC

[Michael Jerris]

have you looked at a Sip trace from both sides?  Is the ACK getting to asterisk?  Is it not accepting it for some reason?

On Sep 9, 2013, at 5:31 AM, ThanhTruong <ngoc217thanh at yahoo.com> wrote:

> 
> Hi all,
> 
> I have configure freeswitch as SBC server with one asterisk server.
> 
> I am getting nat issue when make call from FS to FS.
> 
> my case as:
> 
> client --- FS ----- Asterisk server ----- FS -----client.
> 
> my configure in public.xml like:
> 
> <extension name="asteirsk">
>         <condition field="destination_number" expression="(\d+)$" require-nested="true">
>             <condition field="network_addr" expression="^192\.168\.1\.123$"  break="never">
>                 <action application="set" data="hangup_after_bridge=true"/>
>                 <action application="export" data="sip_h_X-ROUTE=LOOKUP"/>
>                 <action application="set" data="bypass_media=true"/>
>                 <action application="bridge" data="user/${destination_number}@${domain_name}"/>
>                 <anti-action application="set" data="hangup_after_bridge=true"/>
>                 <anti-action application="export" data="sip_h_X-ROUTE=LOOKUP"/>
>                 <anti-action application="set" data="bypass_media=true"/>
>                 <anti-action application="bridge" data="sofia/internal/${destination_number}@192.168.1.123"/>
>             </condition>
>         </condition>
>     </extension>
> 
> Call is process ok, But I see that when I answer call in destination, asterisk server alway send 200OK to my FS, FS return ACk, but asterisk resend 200OK.
> 
> if any one can help, thank all alot. I am getting this stage to long and cant find any solution here.
> 
> Thanks, 
>  
> ThanhTruong
> 
> 
> 
> 
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