[Serusers] Nat Helper / RTPproxy

[Klaus Darilion]

> -----Original Message-----
> From: Dinesh [mailto:feedbak at imelhk.com] 
> Sent: Wednesday, December 17, 2003 10:10 AM
> To: serusers at lists.iptel.org
> Subject: [Serusers] Nat Helper / RTPproxy
> 
> 
> 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.

yes, you can rewrite contact and sdp if the UA sends out internal IP
address.
> 
> 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)
> 

nathelper.cfg in
http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router/etc/

> 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!

regards,
klaus

> Thanks & Regards,
> Dinesh
> 
>  
> Dinesh Mahbubani
> The International Marketing Exchange Ltd.
> Tel: (852) 2541-2617
> Fax (852) 2543-4537
> 
> 
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