[Asterisk-Users] Very complicated dialplans?

[Peter Svensson]

On Sat, 6 Aug 2005, Robert Goodyear wrote:

> Can you educate us all on the appropriate circumstances in which to  
> use 'r'?

Some devices (voip phones, softphones) do not generate in band progress 
information when ringing. You will quickly find out if a particular 
end device requires the 'r' option or not. 

You almost never want it enabled on a trunk line, only for terminal 
devices.

Peter