Quectel UG Series User Manual

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 131 / 247
Parameter
<n> Parameter required only for PDU mode
0 Command operates similarly as in text mode
1 Send positive (RP-ACK) acknowledgement to the network. Accepted only in PDU mode
2 Send negative (RP-ERROR) acknowledgement to the network. Accepted only in PDU
mode
Execute and write command shall only be used when AT+CSMS parameter <service> equals to 1 (phase
2+) and an appropriate URC has been issued by the module, i.e.:
+CMT for <mt>=2 incoming message classes 0,1,3 and none
+CMT for <mt>=3 incoming message classes 0 and 3
+CDS for <ds>=1.
Example
AT+CSMS=1
OK
AT+CNMI=1,2,0,0,0
OK
+CMT: "+8615021012496",,"13/12/03,17:07:21+32",145,4,0,0,"+8613800551500",145,28
This is a test from Quectel. //Short message is outputted directly when SMS is incoming
OK
Execution Command
AT+CNMA
Response
OK
ERROR
If error is related to ME functionality:
+CMS ERROR: <err>
Write Command
AT+CNMA=<n>
Response
OK
ERROR
If error is related to ME functionality:
+CMS ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.005
NOTE
Quectel
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Quectel UG Series Specifications

General

Brand	Quectel
Model	UG Series
Category	Control Unit
Language	English