AT Command Set
MC35_ATC_01_V05.00 Page 148 of 256 15.07.2002
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 an-
other +CMT or +CDS result code to TE until previous one is ack nowledged.
If ME does not receive acknowledgment 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 +CNMI to zero.
Note: The comm and shall o n l y be used when +CSMS parameter <ser-
vice> 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 oper ates 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 mes-
sage within the required time.