[Asterisk-Users] Calling Waiting on PSTN line

[Ryan Courtnage]

Martin Keding wrote:
> I have looked through tons of wiki etc and still have not found an 
> working answer for this. Does Asterisk support call waiting on a PSTN 
> line(through an X100P card). I hear the beep but I can't get it to flash 
> to the other line. 

Have you tried using the Flash() command?

http://voip-info.org/wiki-Asterisk+cmd+Flash

I'd be interested to know how you make out with this, as I'm planning on 
using it to allow my dialplan to support 3-way calling on the telco side 
(which would also require Flash()ing the zap trunk).

Ryan