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SIM800 Series_AT Command Manual_V1.09

154

2015-08-03

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)

Response

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.

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 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

Abort any DTMF tone currently being generated and any DTMF tone

sequence.

Parameter Saving NO_SAVE

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