Data Sheet

Smart Machine Smart Decision
Reference Note
Support for this Command will be network dependent.
Set AT+CLTS=1, it means user can receive network time updating
and use AT+CCLK to show current time.
6.2.13 AT+CLDTMF Local DTMF Tone Generation
AT+CLDTMF Local DTMF Tone Generation
Test Command Response
AT+CLDTMF=? +CLDTMF: (1-100),(0-9,A,B,C,D,E,F,*,#),(10-500)
OK
Response
OK
ERROR
Write Command
AT+CLDTMF=<
n>,<DTMF
string>[<timeBas
Parameters
e>]
<n> A numeric parameter(1-100) which indicates the duration of all
DTMF tones.
<DTMF -string> A string parameter (string should be included in
quotation marks) which has a max length of 20 chars of form <DTMF>,
separated by commas.
<DTMF> A single ASCII chars in the set 0-9,#,*,A-D. In addition, E
and F is supported too. E represents single frequency 1400HZ sound, F
represents single frequency 2300HZ sound.
<timeBase> timeBase to generate DTMF sound.the DTMF on time is
<n>*<timeBase>, DTMF off time is timeBase,the default value is 100ms.
Execution Response
OK
Command
AT+CLDTMF
Abort any DTMF tone currently being generated and any DTMF tone
sequence.
Parameter Saving NO_SAVE
Mode
Max Response -
Time
Reference Note
Local DTMF tone can be played in call, play mode is controlled by
AT+DTA M.
6.2.14 AT+CDRIND CS Voice/Data Call Termination Indication
AT+CDRIND CS Voice/Data Call Termination Indication
Test Command Response
+CDRIND: (list of supported <n>s)
AT+CDRIND=?
SIM800 Series_AT Command Manual_V1.05 153 2014-07-31