Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 154 2015-08-03
<time zone> String type; network time zone. If the network time zone
has been adjusted for Daylight Saving Time, the network shall indicate
this by including the <dst> (Network Daylight Saving Time)
<dst> Network Daylight Saving Time; the content of this
indicates the value that used to adjust the network time zone
0 No adjustment for Daylight Saving Time
1 +1 hour adjustment for Daylight Saving
2 +2 hours adjustment for Daylight Saving Time
3 Reserved
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
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
AT+CLDTMF=?
Response
+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
e>]
Parameters
<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
Command
AT+CLDTMF
Response
OK
Abort any DTMF tone currently being generated and any DTMF tone
sequence.
Parameter Saving NO_SAVE