I'm trying to find something on freeswitch to make a "per-user" limitation of concurrent "RINGING" calls (or more generally, calls in PROCEEDING state).

I've found the "max-proceeding" value I can set in switch.conf.xml, but it's a system's wide parameter, and I'd like more granularity... 

So, after some time spent on the mailing list and with my friend Google, it seems that someone asked for quite the same thing 2 years ago, but didn't get any answer : http://marc.info/?l=freeswitch-users&m=134375187528797

So, today, is there anything to achieve this ? Maybe something based on the "limit" module ?

Thanks a lot, 

Kevin