[Serusers] Nat Helper / RTPproxy

Jan Janak jan at iptel.org
Thu Dec 18 23:16:27 CET 2003


On 17-12 17:09, Dinesh wrote:
> Hello All,
> 
> I have a couple of questions Regarding NatHelper & RTPproxy
> 1.  Does NAThelper assist in NAT traversal when STUN cannot manage due
> to Symmetric NAT.

   Yes.

> 2.  Does NAThelper provide any help when NOT used in conjunction with
> RTPproxy.

  for some scenarios yes.

> 3.  Are there any SER.cfg settings that are suggested to get started
> with NAThelper.  (We are using grand stream devices in addition to a few
> ATA)
> 

  There is an example config file: sip_router/etc/nathelper.cfg in the
  CVS.

> 4.  Am I correct in the assumption that if you use a RTPproxy - all the
> real time voice traffic is passed through your network connection?

  Yes, through the server on which the RTP proxy is running.

   Jan.




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