Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 27 12/24/2010
If <n>=0:
OK
If <n>=1:
(none)
Parameter
<n> 0 TA transmits result code
1 Result codes are suppressed and not transmitted
Reference
V.25ter
Note
2.2.16 ATS0 Set Number of Rings before Automatically Answering the Call
ATS0 Set Number of Rings before Automatically Answering the Call
Response
<n>
OK
Read Command
ATS0?
Parameter
See Write Command
Response
This parameter setting determines the number of rings before auto-answer.
OK
ERROR
Write Command
ATS0=<n>
Parameter
<n> 0 Automatic answering is disable.
1-255 Number of rings the modem will wait for before answering
the phone if a ring is detected.
Reference
V.25ter
Note
If <n> is set too high, the calling party may hang up before the call can be
answered automatically.
2.2.17 ATS3 Set Command Line Termination Character
ATS3 Set Command Line Termination Character
Response
<n>
OK
Read Command
ATS3?
Parameter
See Write Command
Write Command
ATS3=<n>
Response
This parameter setting determines the character recognized by TA to