Quectel EC25 Command Manual page 127

Maximum Response Time
Reference
3GPP TS 27.005
EC25&EC21_AT_Commands_Manual
For SMS-DELIVER:
+CMGR:
<stat>,<oa>,[<alpha>],<scts>[,<tooa>,<fo>,<pid>,<dcs>,<
sca>,<tosca>,<length>]<CR><LF><data>
OK
For SMS-SUBMIT:
+CMGR:
<stat>,<da>,[<alpha>][,<toda>,<fo>,<pid>,<dcs>,[<vp>],<
sca>,<tosca>,<length>]<CR><LF><data>
OK
For SMS-STATUS-REPORTs:
+CMGR:
<stat>,<fo>,<mr>,[<ra>],[<tora>],<scts>,<dt>,<st>
OK
For SMS-COMMANDs:
+CMGR:
<stat>,<fo>,<ct>[,<pid>,[<mn>],[<da>],[<toda>],<length><
CR><LF><cdata>]
OK
For CBM storage:
+CMGR:
<stat>,<sn>,<mid>,<dcs>,<page>,<pages><CR><LF><dat
a>
OK
If in PDU mode (AT+CMGF=0) and command is executed
successfully:
+CMGR: <stat>,[<alpha>],<length><CR><LF><pdu>
OK
If there is any error related to ME functionality:
+CMS ERROR: <err>
Depends on the length of message content.
LTE Module Series
EC25&EC21 AT Commands Manual
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