[Freeswitch-users] SIP Trunk with Private Static IP?

[Kristian Kielhofner]

Keep in mind the remote side might not always send a 200 OK.  Some
send 404, 501, 503, etc.  When pinging a gateway (I believe) FS treats
all of them the same.  As long as *something* comes back the gw is
marked "up".  On some software (OpenSIPS with various gw modules, etc)
this behavior is configurable.  Not sure about FS.

On Fri, Feb 26, 2010 at 7:52 AM, Steven Ayre <steveayre at gmail.com> wrote:
> A SIP 'ping' is not a ICMP ping...
>
> It works by sending a OPTIONS SIP request to the gateway, which then
> responds with 200 OK. It has the advantage of working even if ICMP is
> filtered by a firewall and testing whether the SIP server software is
> running, not just whether the server is online.
>
> Best Regards,
> -Steve


-- 
Kristian Kielhofner
http://www.astlinux.org
http://blog.krisk.org
http://www.star2star.com
http://www.submityoursip.com
http://www.voalte.com