SIM800 datasheet(124/380 Pages) SIMCOM

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SIM800 Series_AT Command Manual_V1.09

124

2015-08-03

3GPP TS 27.005

4.2.8 AT+CNMI

New SMS Message Indications

AT+CNMI

New SMS Message Indications

Response

+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)

Test Command

AT+CNMI=?

Parameters

See Write Command

Response

+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>

Read Command

AT+CNMI?

Parameters

See Write Command

Response

TA selects the procedure for how the receiving of new messages from the

network is indicated to the TE when TE is active, e.g. DTR signal is ON. If

TE is inactive (e.g. DTR signal is OFF), message receiving should be done

as specified in GSM 03.38.

ERROR

Write Command

AT+CNMI=<mo

de>[,<mt>[,<bm

>[,<ds>[,<bfr>]]]

]

Parameters

<mode>

Buffer unsolicited result codes in the TA. If TA result

code buffer is full, indications can be buffered in some other place or the

oldest indications may be discarded and replaced with the new received

indications.

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.

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.

Forward unsolicited result codes directly to the TE.

TA-TE link specific inband technique used to embed result codes and data

when TA is in on-line data mode.

<mt>

(the rules for storing received SMs depend on its data coding

scheme (refer GSM 03.38 [2]), preferred memory storage (+CPMS) setting

and this value):

No SMS-DELIVER indications are routed to the TE.

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