Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 216 / 231
14.7. Summary of URC
Table 13: Summary of URC
322
Memory full
330
SMSC address unknown
331
No network
332
Network timeout
500
Unknown
512
SIM not ready
513
Message length exceeds
514
Invalid request parameters
515
ME storage failure
517
Invalid service mode
528
More message to send state error
529
MO SMS is not allow
530
GPRS is suspended
531
ME storage full
Index
URC Display
Meaning
Condition
1
+CREG: <stat>
Indicate registration status of the ME
AT+CREG=1
2
+CREG:
<stat>[,<lac>,<ci>[,<Act>]]
After cell neighborhood changing
shows whether the network has
currently indicated the registration of
the ME, with location area code
AT+CREG=2
3
+CGREG: <stat>
Indicate network registration status of
the ME
AT+CGREG=1
4
+CGREG:
<stat>[,<lac>,<ci>[,<Act>]]
Indicate network registration and
location information of the ME
AT+CGREG=2