Draytek VigorIPPBX 2820 Series, User Manual

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VigorIPPBX 2820 Series User’s Guide 303
from 1- 10. The larger of the number, the louder the
volume is.
MISC
Dial Tone Power Leve l - 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.
DTMF 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 tone according to the digital form it receive. This
function is very useful when the network traffic
congestion occurs and it still can remain the accuracy of
DTMF tone.
SIP INFO- Choose this one then the Vigor will capture
the DTMF tone and transfer it into SIP form. Then it will
be sent to the remote end with SIP message.
Payload Type (rfc2833) - Choose a number from 96 to
127, the default value was 101. This setting is available
for the OutBand (RFC2833) mode.