COM AT^SPPT - Push to Talk (for BT Headset)
COM V1.0	03.01.2005	T. Kleinmann

COM ToDo: I assume BT headset connection must be established....This has to be implemented and tested.

from attglobals import *

AT^SPTT=?
WAIT FOR OK

#Short key press
AT^SPTT=0
WAIT FOR OK

WAIT 2000

#Long key press
AT^SPTT=1
WAIT FOR OK

