opengt
set com 115200n81
set comecho off
set senddelay 0.05
waitquiet 1 0.2
:start
send "AT!SCACT=0,3^m"
waitfor 5 "OK"
if % = 0 goto hangupok
print "WWAN error. Hangup failed.\r\n"
exit 1
:hangupok
print "WWAN connection established.\r\n"
exit 0