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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):

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:

2) If PDU mode:

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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