You need MediaProxy with ICE mode enabled.

Adrian

> On 15 Oct 2015, at 09:47, Rodrigo Pimenta Carvalho <[email protected]> wrote:
> 
> Dear OpenSIPS-Users,
> 
> I'm working in a project that needs to use OpensSIPS, SIP over TCP,  
> softphones behind NAT, and video transmission between the sip proxy and the 
> softphones as direct media.
> 
> As I'm completely new to NAT traversing and direct media, I wonder what is 
> the first module to study?
> 
> Nat Traversal, or Media Proxy, or Nathelper?
> 
> What of these 3 modules will be really necessary, to provide direct media, 
> when using SIP over IP and peers behind NATs?
> 
> Any hint will be very helpful!
> 
> Regards.
> 
> RODRIGO PIMENTA CARVALHO
> Inatel Competence Center
> Software
> Ph: +55 35 3471 9200 RAMAL 979
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