Siemens MC35 Command Set page 117

AT Command Set
Once the required <pin> has been entered correctly, PIN2 authentication code
changes to READY. After 300s, a repetition of the authentication process is re-
quired (PIN2 authentication code changes from READY to SIM PIN2).
Example 1 To change PIN2:
AT+CPWD=P2,0000,8888
Example 2
To write to "FD" phonebook:
AT+CPBS="FD"
OK
AT+CPBW=2,"+493012345678",145,"Charly"
+CME Error 17 (access denied due to missing PIN2 authentication)
AT+CPIN2=8888
OK
AT+CPBW=2,"+493012345678",145,"Charly"
OK
Example 3
To change price per unit:
AT+CPUC="dm","5",8888
MC35_ATC_01_V05.00
(where 0000 = old PIN2 and 8888 = new PIN2)
Page 117 of 256 15.07.2002