[Asterisk-Users] Hook/Flash, Hold, Call Waiting, Three Way Calling

[PHP Mechanic]

> For threeway calling (analog phone) I just hit the
> flash button get a dial tone, dial the number and hit
> the flash key again.

It doesn't work for me when I'm using asterisk. No problems without it. So 
is my hardware broken or my dialplan? When you hit the flash key is anything 
displayed in the CLI ?