Motorola g20 - SIM Management

98-08901C68-O 265
Using the Commands
4. Error messages (optional): +CMEE, +CEER
Example
AT+CMEE=2 //Enable +CME ERROR: error messages verbose string
OK
AT+CEER=2
OK
5. Registration and call indications: +CREG, +CLCC
Example
AT+CREG=2
OK
AT+CLCC=1
OK
6. HW lines configuration (optional): ATS99 (GPRS-Coverage), &C(DCD), &D(DTR), &K(flow-control)
RS-232 lines can be configured using the following AT commands: AT&C, AT&D, AT&K. Refer to Chapter 4, AT
Commands Reference.
Default settings should be:
•AT&C1
•OK
•AT&D2
•OK
•AT&K3
•OK
5.1.2 SIM Management
The following steps are part of the second phase of connectivity:
1. Check and fix SIM security: +CPIN
2. AT+CPIN?
3. Confirm that the result is +CPIN: READY
4. If the SIM pin is required, then the following response appears: +CPIN: SIM PIN
5. Unlock the SIM, if needed: AT+CPIN="XXXX"
Note: XXXX is the PIN password (4-8 digits long).