Re: [OpenSIPStack] STUN support bug?

[Joegen E. B. <joe...@gm...>]

Hi,

You can use

SIPSTUNClient::NatTypes SIPTransportTools::STUNGetNATType(
  const OString & server
);

To get the NAT type instead of calling SetSTUNServer().   Only call 
SetSTUNSErver() once you have decided whether you want to use STUN or 
not.  Setting the STUN server is a point of no return and will always 
use the stun address through out the lifetime of the application.


H.Kropf wrote:
> Hi
> I could not force STUN-client to work correctly
>
> It is necessary :
> 1. Check NAT presence and Nat type
> 2. If Nat type is ConeNat, in that case it is necessary to enable STUN 
> support
> 3. If Nat type is other, in that case it is necessary to disable STUN 
> support
>
> How to make it?
>
> I have tried to use such method:
>
> in
>
> SoftPhoneManager::InitializeSIP()  function
>
>
> before
>
>     m_SIPEndPoint->GetProfile().GetTransportProfile().EnableUDP( 
> sipIface, sipPort );
>
>
> this piece of code has been inserted
>
> if( SetSTUNServer("stun.mysrv.com") !=  NAT::SIPSTUNClient::ConeNat )   SetSTUNServer("");
>
> and... nothing...
>
> NAT type is SymmetricNat,  (for ConeNat it work correctly) 
>
> The call of function SetSTUNServer("") destroys object SIPTransportManager::m_STUNClient and
> object OpalManager::stun
>
> but OSS for some reason remembers (where? how?) NAT address after SetSTUNServer("stun.mysrv.com") 
> and inserts it into fields of REGISTER requests
>
> Via: SIP/2.0/UDP [NAT IP-address]:5060;....  
> Contact: "100008" <sip:100008@[NAT IP-address]:5060;......
>
>
>
> Tell me please how to solve a problem using only OSS, without other libraries?
>
>
>
>
>
>
>
>
>
>
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