Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 30 23.06.2010
Response
OK
ERROR
Write Command
ATS6=<n>
Parameter
<n> 0..999 Time
Reference
V.25ter
Note
No effect in GSM
2.2.21 ATS7 Set Number of Seconds to Wait for Connection Completion
ATS7 Set Number of Seconds to Wait for Connection Completion
Read Command
ATS7?
Response
<n>
OK
Response
This parameter setting determines the amount of time to wait for the
connection completion in case of answering or originating a call.
OK
ERROR
Write Command
ATS7=<n>
Parameter
<n> 1-60-255 number of seconds to wait for connection completion
Reference
V.25ter
Note
z If called party has specified a high value for ATS0=<n>, call setup
may fail.
z The correlation between ATS7 and ATS0 is important
z Example: Call may fail if ATS7=30 and ATS0=20.
z ATS7 is only applicable to data call.
2.2.22 ATS8 Set Number of Second to Wait for Comma Dial Modifier Encountered in Dial
String of D Command
ATS8 Set Number of Second to Wait for Comma Dial Modifier Encountered in Dial
String of D Command
Read Command
ATS8?
Response
<n>
OK
Write Command
ATS8=<n>
Response
OK
ERROR