[Freeswitch-users] SIP OPTIONS pinger

Steven Ayre steveayre at gmail.com
Thu Sep 11 01:06:43 MSD 2014

FreeSWITCH can do the ping (configure a gateway with ping=true), but
doesn't look at RTT.

You might also be able to do it with sipp.

I've implemented a SIP OPTIONS ping client in the past with a custom Perl
script using Net::SIP and it'd be trivial to measure RTT, but no longer
have the code. But it'd be quite simple to do. There'll be Python libraries
for SIP out there too.

On 10 September 2014 17:41, Alex Lake <alex at digitalmail.com> wrote:

> I want to get an idea of how well connected my fs boxes are to certain
> SIP servers that we use.
> The idea might be to send a SIP options packet to a remote address and
> time how long it took to respond.
> I suspect that fs can do something like this, but I was also wondering
> if there exists an off-the-shelf Linux package (a bit like mrt) that can
> do this. Failing that, some code in (say) PHP that can do it?
> I would have some kind of scheduled job that would send out a SIP
> options packet every 10s or so and keep track of the rtt.
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