PIONEERPOS AT Commands G24-LC - Manual (Page 370)

Setting Up the G24-L (Power On and Initial Actions)
4-2 G24-L AT Commands Reference Manual April 15, 2008
Figure 4-2: Detailed Phone State Transactions
Ready
GPRS Voice CSD Data
GPRS seq.
AT*99#
OK (connecting)
DTR(2)
ATO
DTR(1)
ATH
NO CARRIER
NO CARRIER
ATH
ATO
+++/DTR
OK (connecting)
ATD
RING/ATA
ATH/
NO CARRIER
ATD
RING/ATA