bit 0,1
0 0
0 1
1 0
1 1
Bit 2
0
1
Bit 3
0
1
Bit 4-6
000
001
010
011
101
110
S99
Energy detection threshold
This register can use in Call Progress Mode (CPM) for dial tone detection threshold. The default value
is 16 This register determine the detection threshold for call progress tone.
*H0.
*H1.
*H2.
*H3.
*G0.
*G1.
*T0.
*T1.
&K0.
&K1.
&K2.
&K3.
&K4.
&K5.