1: Xon/Xoff, 2: Hardware)
Query Analog Or Digital Service:
AT+CAD?
†
Returns:
0: No service is available.
1: CDMA digital service is available.
2: TDMA digital service is available.
3: Analog service is available.
To check the signal strength:
AT+CSQ?
†
Returns <Signal Quality>,<Frame Error Rate>
Signal Quality Measure <SQM>:
0-31: Signal Quality Measurement
99: SQM is not known or is not detectable.
Frame Error Rate <FER>:
0: <0.01%
1: 0.01% to less than 0.1%
2: 0.1% to less than 0.5%
3: 0.5% to less than 1.0%
4: 1.0% to less than 2.0%
5: 2% to less than 4.0%
6: 4% to less than 8.0%
7: >=8.0%
99: FER is not known or is not detectable.
·To Set Up For Inbound/Outbound Calls:
To enable 1xRTT calls:
AT$QCQNC=0
†
followed by:
AT$QCMDR=3
†
Enable QuickNet Connect (QNC):
AT$QCQNC=1
†
and
AT$QCMDR=2
†
To enable incoming connections for async calls:
AT$QCVAD=4
†
To set up the modem for auto-answer:
ATS0=1
†
To enable automatic packet call connections:
AT$QCPKND=0
†
To disable automatic packet call connections:
AT$QCPKND=1
†
Answer Incoming Voice Call:
AT$QCCAV
†
Hangs up the modem:
ATH
Hang up voice call:
AT+CHV0
†
Set auto-answer to 15 seconds after the first ring:
ATS0=3
†
Sets if the modem originates a call upon reception of an unknown command:
AT+CXT
†
Dial a cellular voice call:
AT+CDV
<phone number to call>
†
To make a circuit -switched connection:
ATDT
<phone number to call>
†
Dial modifiers to be used in the dial string:
Pause during dialing:
,
†
Wait for dial tone:
W
†
Wait for billing tone:
$
†
Disconnect and return to command state:
ATH0
·Miscellaneous Commands:
Echo commands in command state or in online state:
ATE1
†
Do not echo commands in command state or in online state:
ATE0
†
Display result codes as numbers:
ATV0
†
Display result codes as words:
ATV1
†
Dump configuration parameters:
AT&V
†
