(3)-2 Answer reception mode (SFX-21 O)
(built-in TAS)
Incoming call
I
Detect DTMF
Detect CNG
L
Detect DTMF
OGM release
Detect CNG
(check CNG/DTMF)
I
I
I
Release one tone
signal (pi""")
*
Detect CNG
Recording
ICM
Reception
Start
I
*Recording
finish
Remote
*Detect busy tone
Reception
*Detect off hook
I
I
Stop switch
,
(
I
Disconnect
Line and
Return to Stand-by
I