Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 39 2015-08-03
<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.
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
Reference
V.25ter
Note
If <n> is set too high, the calling party may hang up before the call can be
answered automatically.
If using cmux port, ATH and AT+CHUP can hang up the call (automatically
answering) only in the CMUX channel 0.
If using dual-physical serial port, ATH and AT+CHUP can hang up the call
(automatically answering) only in UART1.
2.2.17 ATS3 Set Command Line Termination Character
ATS3 Set Command Line Termination Character
Response
<n>
OK
Read Command
ATS3?
Parameters
See Write Command
Response
This parameter setting determines the character recognized by TA to
terminate an incoming Command line. The TA also returns this character in
output.
OK
ERROR
Write Command
ATS3=<n>
Parameters
<n> 13 Command line termination character
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
Reference
V.25ter
Note
Default 13 = CR. It only supports default value.
2.2.18 ATS4 Set Response Formatting Character
ATS4 Set Response Formatting Character
Read Command Response