+CMS ERROR:
<err>
Defined values
<err>
300 ME failure
301 SMS service of ME reserved
302 Operation not allowed
303 Operation not supported
304 Invalid PDU mode parameter
305 Invalid text mode parameter
310 SIM not inserted
311 SIM PIN required
312 PH-SIM PIN required
313 SIM failure
314 SIM busy
315 SIM wrong
316 SIM PUK required
317 SIM PIN2 required
318 SIM PUK2 required
320 Memory failure
321 Invalid memory index
322 Memory full
330 SMSC address unknown
331 no network service
332 Network timeout
340 NO +CNMA ACK EXPECTED
341
Buffer overflow
342 SMS size more than expected
500 unknown error
Examples
AT+CMGS=02112345678
+CMS ERROR: 304
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Smart Machine Smart Decision
411
2017-12-25
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