[OpenSIPS-Users] SIP REGISTRATION behaves differently for LAN-based and web-based opensips

Bogdan-Andrei Iancu bogdan at opensips.org
Fri Dec 14 15:20:36 CET 2012

Hi Mark,

Tracing on OpenSIPS side - it is sending any reply back to the client 
(to the registration request) ?

Also, who is generating the 408 reply ?


Bogdan-Andrei Iancu
OpenSIPS Founder and Developer

On 12/14/2012 12:37 PM, Mark Currie wrote:
> I have a test setup with two VoIP clients using OpenSIPS on a LAN and 
> it works fine i.e. I can make calls. However, when I move the server 
> onto the Internet the SIP REGISTER request fails with "408 Request 
> Timeout".
> I know that the Internet server gets the SIP request as I can see the 
> transaction counter increment using opensips monitor. The client also 
> gets the 408 response so it can't be a NAT/Firewall problem.
> My LAN uri looks like <sip:voip1:password at>
> My Internet uri is the same except that the IP address is the Internet 
> server's IP address.
> Could it be something to do with the fact that I am simply using the 
> SIP server IP address in the REGISTER message instead of a domain name?
> Best regards
> Mark Currie
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
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