Draytek Vigor2130 series User Manual page 238

In addition, you can press the Advanced button to configure volume gain, MISC and DTMF
mode. Advanced setting is provided for fitting the telecommunication custom for the local
area of the router installed. Wrong settings might cause inconvenience for users.
Available settings are explained as follows:
Item
Caller ID Type
Volume Gain
MISC
DTMF
Description
Choose one of the selections as caller ID type.
Mic Gain (1-10)/Speaker Gain (1-10) - Adjust the volume
of microphone and speaker by entering number from 1- 10.
The larger of the number, the louder the volume is.
Dial Tone Power Level - This setting is used to adjust the
loudness of the dial tone. The smaller the number is, the
louder the dial tone is. It is recommended for you to use the
default setting.
Ring Frequency - This setting is used to drive the
frequency of the ring tone. It is recommended for you to
use the default setting.
Pound key as ordinary number – Check this box to make
"#" key can be sent out as a number.
DTMF Mode – There are four DTMF modes for you to
choose.
InBand - Choose this one then the Vigor will send the
DTMF tone as audio directly when you press the keypad
on the phone
OutBand - Choose this one then the Vigor will capture the
keypad number you pressed and transform it to digital form
then send to the other side; the receiver will generate the
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Vigor2130 Series User's Guide