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AT Commands
5-25
Command
Description
Function
#VSPS=n Speakerphone
Type Selection
0 = Telephone Emulation Mode
speakerphone
1 = Digital Speakerphone
+VTD=n Beep
Tone
Duration Timer
n=5-255 ( units of 10ms )
n=100 ( default )
+VSD=
<silence
sensitivity
>
,<length of
silence>
Silence
Detection
( Quiet and
Silence )
<silence sensitivity>
range=121-131
default=128
<length of silence >
range=0-255 ( units of 0.1 second)
value=0 Silence detection disabled
default=50 Silence detection enabled
5.20.4 S-Registers
Table 5-9.
S-Registers
Register
Function
Range
S0
Rings to Auto-Answer
0-255 ( default = 0 )
S1
Ring Counter
0-255 ( default = 0 )
S2
Escape Character
0-127 ( default = 43 )
S3 Carriage
Return
Character
0-127 ( default = 13 )
S4
Line Feed Character
0-127 ( default = 10 )
S5
Backspace Character
0-32,127 ( default = 8 )
S6
Wait before Dialing
2-255 ( default = 2 ) Units: 1second
S7
Wait Time for Carrier
1-255 ( default = 60 ) Units: 1second
S8
Pause time for dial
modifier
0-255 ( default = 2 ) Units: 1second
S9
Carrier recovery time
1-255 ( default= 6 ) Units: 0.1second