AT Command Set
TC3X_ATC_01_V04.00 Page 133 of 204 29.05.2002
5.9 AT+CNMA New SMS message acknowledge to ME/TE, only phase 2+
Test command
AT+CNMA=?
Response
1) If text mode (+CMGF=1):
OK
2) If PDU mode (+CMGF=0):
+CNMA: (list of supported <n>s) OK
Parameters
See execute command
Execute command
1) If text mode:
AT+CNMA
2) If PDU mode:
AT+CNMA[=<n>]
Response
TA confirms successful receipt of a new message (SMS-DELIVER or SMS-
STATUS-REPORT) which is 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 acknowledgment within required time (network
timeout), ME sends RP-ERROR to the network. TA shall automatically
disable routing to TE by setting both <mt> and <ds> values of +CNMI to zero.
Note: The command shall o n l y be used when +CSMS parameter
<service> equals 1 (= phase 2+).
1) If text mode:
OK
2) If PDU mode:
OK
3) If error is related to ME functionality:
+CMS ERROR: <err>
Parameters
<n> 0 command operates similarly as defined for the text mode
Reference
GSM 07.05
Note
If multiplex mode is activated (+CMUX=0) the +CNMI parameter will be set to
zero on all channels, if one channel fails to acknowledge an incoming
message within the required time.
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