User`s guide

VigorIPPBX 3510 Series User’s Guide
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make a local mobile phone call. Before the caller makes the
call, he needs to enter PIN code for authentication to make
sure he can use this trunk line.
Check for ISDN to VoIP Calls - Click Enable to invoke
this setting. Type the PIN code number to make on-net call to
PSTN trunk. When A caller makes a call via ISDN to IPPBX
and wants to use SIP Trunk (for example, draytel account) to
make an international phone call. He must use such PIN code
to control if he can use it or not.
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.
OutBand (rfc2833) - Choose a number from 96 to 127, the
default value was 101. This setting is available for the
OutBand (RFC2833) mode.
Prefer Codec
Select one of three codecs as the default for your VoIP calls.
The codec used for each call will be negotiated with the peer
party before each session, and so may not be your default
choice. The default codec is G.729A/B; it occupies little
bandwidth while maintaining good voice quality.
Single Codec – If the box is checked, only the selected
Codec will be applied.
Code Rate
The amount of data contained in a single packet. The default
value is 20 ms, which means the data packet will contain 20
ms voice information.
Codec VAD
This function can detect if the voice on both sides is active or
not. If not, the router will do something to save the