UniMod GSM-4
15
Following some examples of AT commands (the answers depend upon the
respective firmware version):
Request
Answer
Description
at&v
DTE SPEED
: 19200
DTE FORMAT
: AUTO
GSM DATA MODE
: Not Transparent
AUTOBAUD
: +IPRxxx00=NO
COMMAND ECHO : E0=NO
RESULT MESSAGES : Q1=NO
VERBOSE MESSAGES
: V1=YES
EXTENDED MESSAGES : X1=YES
LINE SPEED
: F0=autodetect
CONSTANT DTE SPEED : YES
FLOW CONTROL OPTIONS : &K3=HW bidirect.
ERROR CORRECTION MODE : RLP
CTS (C106) OPTIONS : &B2=OFF while disc.
DSR (C107) OPTIONS : &S3=PHONE ready->ON
DTR (C108) OPTIONS : &D0=ignored
DCD (C109) OPTIONS : &C1=follows carrier
RI (C125) OPTIONS
: \R1=OFF dur. off-hk
C108/1 OPERATION
: &D4=NO
POWER SAVING ON DTR
: +CFUN:1=NO
DEFAULT PROFILE
: &Y0=user profile 1
Inquires current configuration
ati4
GE864-QUAD
Requests product information
at+cpin?
+CPIN: code
OK
SIM card inquiry
(ERROR: no/faulty SIM card
code = SIM PIN: waiting for PIN
code = READY: PIN active)
at+cpin=n
OK
Enter PIN, switches modem active.
e.g. AT+CPIN="1234" (if PIN is 1234)
at+clck=
"SC",0,"n"
OK
Disable PIN lock after power off. (n = PIN)
e.g. AT+CLCK="SC",0,"1234"
Attention: First enter PIN using AT+CPIN.
at+cops?
+COPS: 0,0,"operator"
OK
Inquire bearer service. Will be shown only,
when SIM card is active and antenna con-
nected.
at+cops=?
+COPS:
(2,"T-Mobile D",,"26201"),
(3,"Vodafone D2",,"26202"),
(3,"E-Plus",,"26203"),
(1,"o2 - DE",,"26207"),,
(0-4),(0,2)
List of available bearer services.
at+cbst=
s,n,e
OK
Choose transmission mode:
speed s=
0 - autobauding (automatic selection of the
speed, factory default)
1 - 300 bps (V.21)
2 - 1200 bps (V.22)
3 - 1200/75 bps (V.23)
4 - 2400 bps (V.22bis)
6 - 4800 bps (V.32)
7 - 9600 bps (V.32)
14 - 14400 bps (V.34)
65 - 300 bps (V.110)
66 - 1200 bps (V.110)
68 - 2400 bps (V.110 or X.31 flag stuffing)
70 - 4800 bps (V.110 or X.31 flag stuffing)