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Appendix A – Result Codes, Failure Causes, Other Tables
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 174
Message Service Failure Result Code +CMS ERROR
<er> is defined as below:
<er> Meaning Resulting from the following commands
1 to 127 Error cause values from the GSM
recommendation 04.11 Annex E-2
+CMGS, +CMSS
301 SMS service of ME reserved +CSMS (with +CMS: ERROR 301)
302 Operation not allowed All SMS commands (+CMSS, +CMGL, +CPMS, +CSMP…
303 Operation not supported All SMS commands
304 Invalid PDU mode parameter +CMGS, +CMGW
305 Invalid text mode parameter +CMGS, +CMGW, +CMSS
310 SIM not inserted All SMS commands
311 SIM PIN required All SMS commands
312 PH-SIM PIN required All SMS commands
313 SIM failure All SMS commands
316 SIM PUK required All SMS commands
317 SIM PIN2 required All SMS commands
318 SIM PUK2 required All SMS commands
321 Invalid memory index +CMGR, +CMSS, +CMGD
322 SIM memory full +CMGW
330 SC address unknown +CSCA?, +CMSS, +CMGS
340 no +CNMA acknowledgement expected +CNMA
Specific Error Result Codes
<error> Meaning Results from the following commands
500 unknown error. All commands
512 MM establishment failure (for SMS). +CMGS, +CMSS (+CMS ERROR: 512)
513 Lower layer failure (for SMS) +CMGS, +CMSS (+CMS ERROR: 513)
514 CP error (for SMS). +CMGS, +CMSS (+CMS ERROR: 514)
515 Please wait, init or command processing in progress. All commands ( “+CME ERROR: 515” or
“+CMS ERROR: 515”) except ATHO,
ATH1, AT+WOIR, AT+WIOW,
AT+CFUN=1, AT+CLCC, AT+WAC,
AT+CPAS, AT+VGR, AT+VTS,
AT+SPEAKER
517 SIM Toolkit facility not supported. +STGI
518 SIM Toolkit indication not received. +STGI
519 Reset product to activate or change a new echo cancellation
algo.
+ECHO, +VIP
520 Automatic abort about get plmn list for an incoming call. +COPS=?
526 PIN deactivation forbidden with this SIM card. +CLCK
527 Please wait, RR or MM is busy. Retry your selection later. +COPS
528 Location update failure. Emergency calls only. +COPS
529 PLMN selection failure. Emergency calls only. +COPS
531 SMS not sent: the <da> is not in FDN phonebook, and FDN lock
is enabled. (for SMS)
+CMGS, +CMSS (+CMS ERROR: 531)
532 Embedded application is activated so objects flash are not erased +WOPEN
533 Missing or Unknown APN ATD*99 +GACT +CGDATA
536 Class locked: A command has been launched from a port. The
effect is to lock all commands belonging to the same class. If
another port launches a command of this class, this error will
occur as long as the class is not released (at first command’s
completion time).
All commands
537 Phonebook group full. +CPBW
538 Not enough space to copy SMS +WMCP
539 Invalid SMS +CMGR
541
Open AT® application and AT software version do not match
+WOPEN
543 CMUX connection is refused by remote, after a restart of CMUX
protocol by the modem, due to a 27.010 connection loss during
virtual channels establishment.
+CMUX
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