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[Linphone-users] Re: Linphone Stun issue

From: pankaj anand
Subject: [Linphone-users] Re: Linphone Stun issue
Date: Fri, 5 Feb 2010 20:25:11 +0530

On Wed, Feb 3, 2010 at 11:12 PM, pankaj anand <address@hidden> wrote:
 I am using linphone build from sources on ubuntu 9.04

   I am using it behind a NAT and it is portRestrictedNat ( that i have tested with some other client). 
   somehow i found that the stun client is not behaving correctly, Instead of sending Ip address my Nat server and punched hole port no , it sends the local ( private ) ip addrss of my machine in SDP information. 

in logs i see that it says Symmetric nat detected for audio port. 
when I opened the code, I found that I sends a single message to the Stun Server and on the reply of that single message it can identify that what type of NAT is being used. I 
 I read few thing on the net about  STUN after that I could figure it out that it is quite possible to detect required type of NAT with a single STUN message. 

please, Correct me if i am wrong. 

BTW what is the meaning of this line in the code

  this lines specifies the transaction id of the message. 

I don't understand the STUN protocols internal that is why couldn't understand this code. 

thanx in advance. 


But still i m facing few problems behind the NAT. when i run testNatType function it generates that the NAT type is port restricted Nat but linphone as a client is not able communicate outside the LAN or on public internet. 


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