User's Manual Part 2

Firmware Version 1.0.0.X
GVC3202 User Guide
Page
113
of
117
Audio Device
Select the audio device that the GVC3202 will use for audio input and output during
call or playing media. The options are “Auto”, “Bluetooth”, “USB” and “HDMI”.

Auto
GVC3202 will automatically detect whether any USB, Bluetooth or HDMI
devices are connected. If only one of them is connected, it will be used as the
audio device. If two or three are connected, the priority is
“Bluetooth”>”USB”>”HDMI”.
 Bluetooth
The Bluetooth audio device will be used for audio input and output.
 USB
The USB audio device will be used for audio input and output.

HDMI
The audio input comes from the built-in MIC in GVC3202 and the audio output
comes from HDMI.
The default settings is "Auto".
Call Progress
Tones:
Ring Back Tone
Busy Tone
Reorder Tone
Confirmation Tone
Call-waiting Tone
Using these settings, users can configure ring or tone frequencies based on
parameters from the local telecom provider. By default, they are set to the North
American standard.
Frequencies should be configured with known values to avoid uncomfortable high
pitch sounds.
Syntax: f1=val, f2=val [,c=on1/off1[-on2/off2[-on3/off3]]];
(Frequencies are in Hz and cadence on and off are in 10ms)
ON is the period of ringing ("On time" in ‘ms’) while OFF is the period of silence. In
order to set a continuous ring, OFF should be zero. Otherwise, it will ring ON ms and
a pause of OFF ms and then repeat the pattern. Up to three cadences are
supported.
Ring Back Tone:
Users can configure ring back tone which is the tone the caller will hear before the
callee answers the call. The default value: f1=440@-19,f2=480@-19,c=2000/4000;
Busy Tone:
Users can configure busy tone which will be heard if the callee is busy or on DND.
The default value: f1=480@-24,f2=620@-24,c=500/500;
Reorder Tone:
Users can configure reorder tone which will be heard when the call fails to be
established such as wrong account number is dialed, or the call is timed out. The
default value: f1=480@-24,f2=620@-24,c=250/250;