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List of AT Commands for Nokia 22
Copyright © Nokia Mobile Phones 2001. All rights reserved.
10.13 +CNMA New message acknowledgement to ME/TA
Command Response +cms
error
Execute
text mode (+CMGF=1):
+CNMA
PDU mode (+CMGF=0):
+CNMA=<n>,<length><CR>PDU is given<ctrl-Z/ESC>
x
Test
+CNMA=? PDU mode
(+CMGF=0):
+CNMA: (0-2)
Text mode:
The +CNMA command confirms the correct reception of a new message (SMS-DELIVER or SMS-
STATUS-REPORT) which is routed directly to the TE. This acknowledgement command (causing
the Nokia 22 to send RP-ACK to the network) shall be used when the +CSMS parameter
<service> equals 1. The Nokia 22 shall not send another +CMT or +CDS result code to the TE
before the previous one is acknowledged.
If the Nokia 22 does not get acknowledgement within the required time (network timeout), the
Nokia 22 will send a RP-ERROR to the network. Routing to the TE will automatically be disabled
by setting both <mt> and <ds> values of +CNMI to zero.
PDU mode:
The +CNMA command confirms the reception of a new message (SMS-DELIVER or SMS-
STATUS-REPORT) which is routed directly to the TE. This acknowledgement command shall be
used when the +CSMS parameter <service> equals 1. In the PDU mode, it is possible to send
either a positive (RP-ACK) or a negative (RP-ERROR) acknowledgement to the network. The
parameter <n> defines which acknowledgement will be sent. Optionally (when <length> is greater
than zero), an acknowledgement TPDU (SMS-DELIVER-REPORT for RP-ACK or RP-ERROR)
may be sent to the network. The entering of the PDU is done similarly as specified in the command
Send Message +CMGS, except that the format of <ackpdu> is used instead of <pdu> (i.e. SMSC
address field is not present). The PDU shall not be bounded by double quotes. The TA shall not
send another +CMT or +CDS result code to the TE before the previous code is acknowledged.
If the Nokia 22 does not get an acknowledgement within the required time (network timeout), the
ME should send an RP-ERROR to the network. The Nokia 22 shall automatically disable routing to
the TE by setting both <mt> and <ds> values of the +CNMI to zero.
The test command returns a list of supported <n> values. If the only value that is supported is 0,
the device does not support the sending of TPDU.
Defined values
<n>:
0 command operates as defined for the text mode
1 send RP-ACK (or buffered result code received correctly)
2 send RP-ERROR (if PDU is not given, the Nokia 22 shall send an SMS-