AC75 AT Command Set
13.11 AT+CNMI s
AC75_ATC_V01.002 Page 378 of 569 10/30/06
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13.11 AT+CNMI New short Message Indication
The write command selects the procedure how the receipt of new short messages from the network is indicated
to the TE when TE is active, e.g. DTR signal is ON. If TE is inactive (e.g. DTR signal is OFF), message receiving
should be done as specified in GSM 03.38. If the DTR signal is not available or the state of the signal is ignored
(V.250 command AT&D0, reliable message transfer can be assured by using AT+CNMA acknowledgment proce-
dure. The rules <mt>=2 and <mt>=3 for storing received messages are possible only if phase 2+ compatibility
is activated with AT+CSMS=1. The parameter <ds>=1 is only available in phase 2+
Syntax
Unsolicited Result Codes
URC 1
<mt>=1:
+CMTI: <mem3>, <index>
Indicates that new message has been received
URC 2
<mt>=2 (PDU mode enabled):
+CMT: <length><CR><LF><pdu>
Indicates that new message has been received
URC 3
<mt>=2 (text mode enabled):
+CMT: <oa>, <scts>[, <tooa>, <fo>, <pid>, <dcs>, <sca>, <tosca>,
<length>]<CR><LF><data>
Indicates that new message has been received
Test Command
AT+CNMI=?
Response(s)
+CNMI: (list of supported<mode>s), (list of supported <mt>s), (list of supported <bm>s), (list of supported
<ds>s), (list of supported <bfr>s)
OK
Read Command
AT+CNMI?
Response(s)
+CNMI: <mode>, <mt>, <bm>, <ds>, <bfr>
OK
Write Command
AT+CNMI=[<mode>][, <mt>][, <bm>][, <ds>][, <bfr>]
Response(s)
OK
ERROR
+CMS ERROR
Reference(s) PIN ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge 4Last
GSM 07.05 + + + + + + + - + -