[OpenSIPS-Users] Cannot call due to 408 error

Bogdan-Andrei Iancu bogdan at opensips.org
Tue Dec 4 13:53:49 CET 2012

Hi Akalanka,

All the time you can check the registered phones via "opensipsctl ul show"

Maybe the phone which become unreachable are behind a NAT and the NAT 
pinhole gets closed in time - if so, you need some NAT traversal support 
like NAT pinging (see the nathelper or nat_traversal modules).


Bogdan-Andrei Iancu
OpenSIPS Founder and Developer

On 12/01/2012 04:21 PM, Akalanka De Silva wrote:
> Hi all.
> I am a newbie to OpenSIPS. I succeeded in installing it thanks to the 
> webinar 'OpenSIPS kickstart' in opensips.org <http://opensips.org>. I 
> have also installed the OpenSIPS control panel and MySQL based 
> authentication successfully. I was able to register several SIP 
> soft/hard phones and make calls successfully as well (initially).
> But after few minutes I cannot make calls between the phones. It 
> returns a 408 error saying that the user cannot be found in time. The 
> phones are still registered but it seems that OpenSIPS has forgotten 
> the location of the phones. I checked in the MySQL database and it 
> contains the URI s with the IP addresses of each phone in the 
> 'location' table.
> But once a call attempt from one phone fails, immediately afterwards 
> (within 1 minute or so) I can call that phone (the phone which 
> returned the 408 error) from another phone successfully.
> Does OpenSIPS throw away the location info of a user after some time? 
> Please help
> Thanks in Advance
> Akalanka
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20121204/58ff7a06/attachment.htm>

More information about the Users mailing list