Siemens M20 Terminal Technical Description page 103

Siemens Information and Communication Products
AT+CNMI New SMS message indications
Test command Response
AT+CNMI=? +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
Parameter
see set command
Read command Response
AT+CNMI? +CNMI: <mode>,<mt>,<bm>,<ds>,<bfr> OK
Parameter
see set command
Set command Response
AT+CNMI = TA selects the procedure, how the receipt of new SMS messages from the network is indicated to
[<mode> the TE when TE is active, e.g. DTR signal is ON. If TE is inactive (e.g. DTR signal is OFF), mes-
sage receiving should be done as specified in GSM 03.38.
[,<mt>[,<bm>
Note:
[,<ds>[,<bfr>]]]]]
only if phase 2+
OK
If error is related to ME functionality:
+CMS ERROR: <err>
Parameter
<mode>
<mt>
(continued next page)
Version 8 dated 15.03.00
the rules <mt>=2 and <mt>=3 for storing received SM are possible
compatibility is activated with +CSMS=1
0 Buffer unsolicited result codes in the TA. If TA result code buffer is full, in-
dications can be buffered in some other place or the oldest indications may be
discarded and replaced with the new received indications.
1 Discard indication and reject new received message unsolicited result codes
when TA-TE link is reserved (e.g. in on-line data mode). Otherwise forward
them directly to the TE.
2 Buffer unsolicited result codes in the TA when TA-TE link is reserved (e.g.
in on-line data mode) and flush them to the TE after reservation. Otherwise
forward them directly to the TE.
3 Forward unsolicited result codes directly to the TE. TA-TE link specific in-
band technique used to embed result codes and data when TA is in on-line
data mode.
(the rules for storing received SMs depend on the relevant data coding method (refer
to GSM 03.38 [2]), preferred memory storage (+CPMS) setting and this value
Note: if AT command interface is acting as the only display device, the ME must
support storage of class 0 messages and messages in the message waiting indication
group (discard message)
0 No SMS-DELIVER indications are routed to the TE.
1 If SMS-DELIVER is stored in ME/TA, indication of the memory location is
routed to the TE using unsolicited result code: +CMTI: <mem>,<index>
2 SMS-DELIVERs (except class 2 messages and messages in the message
waiting indication group (store message)) are routed directly to the TE using
unsolicited result code: +CMT: [<alpha>], <length><CR><LF><pdu>
(PDU mode enabled)
3 Class 3 SMS-DELIVERs are routed directly to the TE using unsolicited result
codes defined in <mt>=2. Messages of other data coding schemes result in in-
dication as defined in <mt>=1.
AT command interface
A
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