[Users] NAT Problem

[Andreas Granig]

Do you really think posting your problem multiple times leads to more 
responses?

OpenSER can handle every type of NAT in the one or other way. How do you 
check for NAT in your config? Post an ngrep-trace of your problem, so 
one can check what's going on.

Andreas

raviprakash sunkara wrote:
> Hello Users,
> Good Morning,
> What are Type of the NAT is used for OpenSER for production , OpenSER is 
> inside the NAT  (router/firewall )
>              1)   I tested with 2 SJ phones and 2 cisco ATA phones, 
> UAC's are in Behind  the NAT,  UACs are in the Same N/w with one 
> public_address,
>                       SJ phone show the NAT type is Symmetric NAT
>                        this case is Working Fine,
> For example :
> [Behind the NAT1 ]                  [Behind the NAT2]           [Behind 
> the NAT1 ]
> SJphone --------| firewall]----------------------->  
> OpenSER-------[firewall]--------------> ATA phone
> 
>            2) When SJ phones or HardPhones are in Different network  
> behind the NAT of the OpenSER server,
>                       here SJ phone shows the  Port Restricted  core  NAT
>                     Here  media is not is signaling at all , in this 
> Case....
> 
> For example :
> [Behind the NAT1 ]                  [Behind the NAT2]           [Behind 
> the NAT3 ]
> SJphone ----------[firewall]--------------------->   
> OpenSER--------[firewall ]-------------> ATA phone
>        
> SIP  NAT Traversal support only Symmetric   NAT ,  ?
> 
> Then How to solve this issue ? Please  Help ?
> 
> 
> 
> 
> -- 
> Thanks and Regards
> Ravi Prakash Sunkara
> ravi.sunkara at hyperion-tech.com <mailto:ravi.sunkara at hyperion-tech.com>
> M:+91 9985077535
> www.hyperion-tech.com <http://www.hyperion-tech.com>
> Client and Parent company :- www.august-networks.com 
> <http://www.august-networks.com>
> 
> 
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