At Commands Available Before Entering The Sim Pin - Siemens TC37 Module At Command Reference

AT Command Set

7.3 AT commands available before entering the SIM PIN

The following table summarizes the AT commands you can use before the SIM PIN has been entered.
Explanation:
l
AT command usable without PIN
--- not usable without PIN
n.a. AT command not available at all
AT command Test
Standard V.25ter AT commands
ATD n.a.
ATE n.a.
ATI n.a.
ATO n.a.
ATQ n.a.
ATS3 n.a.
ATS4 n.a.
ATS5 n.a.
AT\Q n.a.
ATSn n.a.
l
ATS18
ATV n.a.
ATX n.a.
ATZ n.a.
AT&C n.a.
AT&D n.a.
AT&F n.a.
AT&V n.a.
l
AT+IPR
AT commands originating from GSM 07.07
l
AT+CALA
l
AT+CBST
l
AT+CCLK
l
AT+CFUN
l
AT+CGMI
l
AT+CGMM
l
AT+CGMR
l
AT+CGSN
l
AT+CLIP
l
AT+CLVL
l
AT+CMEE
l
AT+CMGF
l
AT+CMUT
l
AT+CMUX
AT+COPS Phone busy
TC3X_ATC_01_V04.00
Read Write /
Execute
l
n.a
l
n.a
l
n.a
l
n.a
l
n.a
l l
l l
l l
l
n.a.
l l
l
n.a
l
n.a
l
n.a
l
n.a
l
n.a
l
n.a
l
n.a
l
n.a
l l
l l
l l
l l
l l
l
n.a.
l
n.a.
l
n.a.
l
n.a.
l
---
l l
l l
l l
l l
l
Error
Unknown ---
Page 196 of 204
Note
For emergency calls only
Write command in audio mode 2-6
only
Write command depending on audio
mode
Only mode 0
Not useful without PIN
29.05.2002