Draytek Vigor2710 Series User Manual page 88

MISC
DTMF
Vigor2710 Series User's Guide
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. Notice that such setting is not available for DECT phone
port.
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.
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