Siemens MC55 - Manual (Page 51)

MC55 AT Command Set
2.11 AT+CMEE
s
m
obile
MC55_ATC_V01.05 Page 51 of 469 2/10/04
Confidential / Released
513 unable to store
514 invalid status
515 invalid character in address string
516 invalid length
517 invalid character in pdu
518 invalid parameter
519 invalid length or character
520 invalid character in text
521 timer expired
522 Operation temporary not allowed
Code of <err> Text (if
AT+CMEE
=2)