Draytek Vigor2760 User Manual page 215

Payload
Type(RFC2833)(96-127)
Dial Tone Gain (1-50)
Min Flash Hook Time
(ms)
Max Flash Hook Time
(ms)
Echo Cancellation
Apply
Clear
Cancel
Vigor2760 Series User's Guide
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.
Type a number from 96 to 127, the default value was 101.
This setting is available for the OutBand (RFC2833) mode.
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.
This setting is used to set the minimum time limit of the
flash hook.
This setting is used to set the maximum time limit of the
flash hook.
Echo Cancellation Mode – There are five modes offered
for you to choose to cancel the echo from the phone call.
NLP (non-linear processing)/Narrowband Fixed
Window Size/Narrowband Moving Window Size/
Wideband Fixed Window Size – These are advanced
settings for Echo Cancellation. Simply keep the default
settings for these features.
Click it to save the settings.
Click it to remove the modification of the web page.
Click it to return to previous web page.
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