[Freeswitch-users] Change RTP port range for specific call

[Michael Jerris]

There is not a way to do that on a per call basis.

> On Mar 2, 2017, at 5:55 PM, Joel Serrano <joel at gogii.net> wrote:
> 
> Hi all, 
> 
> I know you can set the upper/lower RTP port limit in autoload_configs/switch.conf.xml but, is it possible to have an upper/lower limit set and change it for a specific call?
> 
> For example:
> 
> switch.conf.xml has:
> 
> <param name="rtp-start-port" value="16000"/>
> <param name="rtp-end-port" value="32000"/> 
> 
> We have certain clients that require a VPN connection to reach our servers, and the VPN blocks all UDP traffic from ports >10000.
> 
> One solution would be of course just to lower our range, ok... But is there a way that I can set the RTP port range for a specific call?
> 
> Something like this in diaplan:
> 
> [...]
> <action application="set" data="rtp-start-port=3000"/>
> <action application="set" data="rtp-end-port=4000"/>
> [...]
> 
> 
> I don't know if this is doable some way... If FS doesn't have this option, maybe with a Kamailio + rtpengine in front we could potentially achieve this?
> 
> Thanks!
> 
> Best regards, 
> Joel.
>