Telit Wireless Solutions GE863 Manuel D’Utilisation

GE863-GPS Software User Guide

1vv0300724 Rev. 2 - 24/01/07

2.5.2 SIM presence checking

After autobauding the first thing to check is the SIM presence and PIN code insertion, this can be done
with the following commands:

2.5.2.1 Enable the Extended error result codes

• send command

AT+CMEE=1<cr>

• wait

for

response

or if you prefer the verbose format instead of the numerical format then:
• send command

AT+CMEE=2<cr>

• wait

for

response

2.5.2.2 Query SIM presence and status
•

send command

AT+CPIN?<cr>

•

wait for response:

Response

Reason

Action

+CPIN: SIM PIN

SIM is present and PIN is
required to continue operations

Proceed to par. 2.5.2.3

+CPIN: SIM PUK

SIM is present and 3 attempts
to give SIM PIN have failed, so
SIM PUK is required

Send command
AT+CPIN=<SIM PUK>

+CPIN: READY

SIM is present and no PIN code
is required to proceed

Proceed ahead

+CME ERROR: 10

SIM not present

Insert SIM or require SIM
insertion and repeat from par.
2.5.2.2

+CME ERROR: 13

SIM defect

Check SIM insertion or require
a new SIM not defected and
repeat from par. 2.5.2.2

+CME ERROR: 14

SIM is busy

retry later

+CME ERROR: 15

SIM is wrong type

Check SIM, it must be a GSM
SIM.

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