[asterisk-users] VPN As SIP Tunneling?

[Eric "ManxPower" Wieling]

Some VPN implementations allow you to copy the ToS of the encapsulated 
packets to the ToS of the wrapper packet.

Andrew Joakimsen wrote:
> So in your example you can manage QoS within the VPN but have no control 
> whatsoever over the VPN tunnel as a hole, it would be the same result as 
> if you just passed straigth TCP over your connection with QoS, however  
> you will waste more resourses for the VPN and probably introduce a bit 
> of latency, small but latency none-the-less.