Number of rings to auto answer s0, Syntax, Parameters and values – Synaccess Networks NP-0801DTM User Manual
Page 40: Notes, Ring counter s1, Command line termination character s3

HAYES COMPLIANT AT COMMANDS
HSPA+ AT Commands Reference Guide
40
Number of Rings to Auto Answer S0
Set command sets the number of rings required before device automatically answers an incoming call.
Read command returns the current value of S0 parameter.
Syntax
Command
Command type
ATS0=[
Set
ATS0?
Read
Parameters and Values
Number of rings.
0
Auto answer disabled. Default: 0.
1‐255
Number of rings required before automatic answer.
Notes
Does not apply to non‐voice models when receiving an inbound voice call.
Reference: V.25ter.
Ring Counter S1
S1 is incremented each time the device detects the ring signal of an incoming call. S1 is cleared as soon as no ring
occurs.
Read command returns the value of this parameter.
Syntax
Command
Command type
ATS1
ATS1?
Read
Notes
The form ATS1 has no effect.
Command Line Termination Character S3
Set command sets the value of the character either recognized by the device as command line terminator and
generated by the device as part of the header, trailer, and terminator for result codes and information text, along
with S4 parameter.
Read command returns the current value of S3 parameter. The format of the numbers in output is always 3 digits,
left‐filled with 0s.
Syntax
Command
Command type
ATS3=[
Set
ATS3?
Read