AC75 AT Command Set
13.10 AT+CNMA s
AC75_ATC_V01.002 Page 377 of 569 10/30/06
Confidential / Released
13.10 AT+CNMA New Message Acknowledgement to ME/TE, only phase 2+The write / execute command confirms successful receipt of a new message (SMS-DELIVER or SMS-STATUS-
REPORT) routed directly to the TE. TA shall not send another +CMT or +CDS result code to TE until previous
one is acknowledged. If ME does not receive acknowledgement within required time (network time-out), ME
sends RP-ERROR to the network. TA shall automatically disable routing to TE by setting both <mt> and <ds>
values of AT+CNMI to zero.
Syntax
Parameter Description
Parameter required only for PDU mode.
0 Command operates similarly as in text mode.
Notes
• The execute / write command shall only be used when AT+CSMS parameter <service> equals 1 (= phase
2+).
• The execute comm and can be used no matter whether text mode or PDU mode is activated. The write com-
mand is designed for the PDU mode only.
• If multiplex mode is activated (AT+CMUX=0) the AT+CNMI parameter will be set to zero on all channels, if one
channel fails to acknowledge an incoming message within the required time.
Test Command
AT+CNMA=?
Response(s)
+CNMA: (list of supported <n>s)
OK
Exec Command
AT+CNMA
Response(s)
OK
ERROR
+CMS ERROR
Write Command
AT+CNMA=<n>
Response(s)
OK
ERROR
+CMS ERROR
Reference(s) PIN ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge 4Last
GSM 07.05 + + + + + + + - - -
<n>(num)