AOpen FM56-ITU/2, Руководство пользователя

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AT#VRA Ringback Goes Away Timer(Originate)
This command can be used, when originating a voice call(#CLS=8)to
set the "Ringback Goes Away" timer value,i.e.,an amount of time (in units of
100ms) measured from when the ringback cadence stops once detected. If
ringback is not detected within this period, the modem assumes that the remote
has picked up the line and switches to Online Voice Command Mode. Every time
a ringback cycle is detected, this timer is reset.
Parameters:
n=0-255 (0-25.5 seconds); Default: 70
(7,000ms)
Result Code:
OK If n=0-255
ERROR Otherwise.
Command options:
#VRA? Returns the current setting of the #VRA command as an
ASCII decimal value in result code format.
#VRA=? Returns the message,"0-255".
#VRA=0 Turns off the "ringback goes away timer."After one
ringback, the dialing modem sends VCON and enters Online Voice Command
Mode immediately.
#VRA=n Where n defines the period without ringback(after at least
one ringback has been detected)in 100 ms units.
AT#VRN Ringback Never Came Timer(Originate)
This command can be used when originating a voice call(#CLS=8)to
set the "Ringback Never Came" timer value, i.e., an amount of time (in units of
100 ms) measured from completion of dialing. If ringback is not detected within
this period, the modem assumes the remote has picked up the line and switches
to Online Voice Command Mode.
Parameters:
n=0-255 (0-25.5 seconds); Default: 100
(10,000ms)
Result Code:
OK If n=0-255.
ERROR Otherwise.
Command options:
#VRN? Returns the current setting of the #VRN command as an
ASCII decimal value in result code format.
#VRN=? Returns the message,"0-255".
#VRN=0 Turns off the "righback never came timer". After dialing, the
modem sends
VCON and immediately enters Online Voice
Command Mode.
#VRN=n Where n defines the period without ringback after dialing in
100 ms units.
AT#VRX Voice Receive
This actin command is only valid if the modem is in the Online Voice
Command Mode (indicated previously with the VCON message), and is the
switch to the Voice Receive Mode. This command is used when a voice file is to