ABORT BUSY
ABORT 'NO CARRIER'
ABORT VOICE
ABORT	"NO DIALTONE"
""	AT
OK  AT+CFUN=1,1
OK  AT+CPIN="1234"
OK  AT+CGDCONT=1,"IP","dns.name.of.pdp.context","",0,0
OK 'AT+CBST=81,0,1;+CHSN=6,0,0,0'
OK  ATDT*99***1#
'CONNECT'	'\c'
'TIMEOUT'	'5'