Maxon Telecom MODMAX MM-6280IND - Manual (Page 18)

HSDPA Standard At Commands Page 18 of 61 Version 1.2
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1.10. Informative examples
An example of TA responses with all three +CMEE values when MT manufacturer identification is
requested but MT is not connected to the TA:
AT+CMEE=0 (+CME ERROR shall not be used)
OK
AT+CGMI
ERROR
AT+CMEE=1 (use numeric )
OK
AT+CGMI
+CME ERROR: 1
AT+CMEE=2 (use verbose )
OK
AT+CGMI
+CME ERROR: no connection to phone