Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  341  2015-08-03 
 <text>  The text which is synthetized to speech to be played, maximum 
data length is 956 Bytes  
Parameter Saving 
Mode 
NO_SAVE 
Max Response 
Time 
- 
Reference 
Note 
  Call setup will stop the current tts play 
  TTS can play in call, but call release will stop the tts play 
  TTS play is not allowed when alert or ring 
18.2.2 AT+CTTSPARAM Set Parameters of the TTS Playing 
AT+CTTSPARAM Set Parameters of the TTS Playing 
Response 
+CTTSPARAM: (0-100),(0-3),(1-100),(1-100),(0,1) 
OK 
Test Command 
AT+CTTSPARAM=
? 
Parameters 
See Write Command 
Response 
+CTTSPARAM: <volume>,<mode>,<pitch>,<speed>,<channel> 
OK 
Read Command 
AT+CTTSPARAM?
Parameters 
See Write Command 
Response 
OK  
If error is related to MS functionality, response: 
+CME ERROR: <err> 
Write Command 
AT+CTTSPARAM=
<volume>,<mode>,
<pitch>,<speed>[,<c
hannel>] 
Parameters 
<volume>  TTS playing volume, the range is 0-100,the default is 50. 
<mode>  TTS playing mode, the range is 0-3 
0    auto read digit, and read digit based on number rule first   
1  auto read digit, and read digit based on telegram rule first 
2 read digit based on telegram rule 
3 read digit based on number rule 
<pitch>  TTS playing pitch, the range is 1-100,the default is 50. 
<speed>  TTS playing speed, the range is 1-100,the default is 50. 
<channel>  TTS play channel. 
0 main channel 
1 aux channel 
Parameter Saving NO_SAVE 










