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Supplemental Service
Vigor3300V+ Series User's Guide
tone as audio directly when you press the keypad on the phone.
OutBand (RFC2833): 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.
DTMF Volume – Determine the volume of DTMF voice
signal. The more the number is set, the greater the sound is.
If you want to use call waiting or call transfer function, you
have to enable supplemental service mode by clicking
Normal or CHT.
Click Disable to close this service.
Under Normal mode, call waiting and call transfer function
will be:
Call Waiting -You can hear waiting tone while a new phone
call is incoming, then you can do:
(1) Flash hook and dial 0: This procedure keeps the current
connection and reject the new phone call.
(2) Flash hook and dial 1: This procedure disconnects the
current connection and connect with the new phone call.
(3) Flash hook and dial 2: This procedure always holds the
current connection and connect with the second connection.
Call transfer – Check this box to execute call transfer
function.
There are three types of operating procedure used in Call
Transfer. Take a look at the diagram above.
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