Specifications
SIM900 AT Commands Set        
SIM900_ATC_V1.01  31  23.06.2010 
Parameter 
<n> 0-225 The value of this register determines how long the modem 
should pause when it sees a comma in the dialling string.
Reference 
V.25ter 
Note 
No effect in GSM 
2.2.23 ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier 
ATS10 Set Disconnect Delay after Indicating the Absence of Data Carrier 
Read Command 
ATS10? 
Response 
<n> 
OK 
Response 
This parameter setting determines the amount of time that the TA will 
remain connected in absence of data carrier. If the data carrier is once more 
detected before disconnecting, the TA remains connected. 
OK 
ERROR 
Write Command 
ATS10=<n> 
Parameter 
<n> 1-15-254  number of tenths seconds of del 
Reference 
V.25ter 
Note 
2.2.24 ATT Select Tone Dialing 
ATT Select Tone Dialing 
Response 
OK 
Execution 
Command 
ATT 
Parameter 
Reference 
V.25ter 
Note 
No effect in GSM 
2.2.25 ATV TA Response Format 
ATV TA Response Format 










