User`s guide

Vigor2700 Series User’s Guide
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CLIR (hide caller ID) Check this box to hide the caller ID on the display panel of the
phone set for the remote side.
Call Waiting Check this box to invoke this function. A notice sound will
appear to tell the user new phone call is waiting for your
response. Click hook flash to pick up the waiting phone call.
Call Transfer Check this box to invoke this function. Click hook flash to
initiate another phone call. When the phone call connection
succeeds, hang up the phone. The other two sides can
communicate, then.
Prefer Codec Select one of five 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 many not be your default choice.
The default codec is G.729A/B; it occupies little bandwidth
while maintaining good voice quality.
If your upstream speed is only 64Kbps, do not use G.711 codec.
It is better for you to have at least 256Kbps upstream if you
would like to use G.711.
Single Codec – If the box is checked, only the selected Codec
will be applied.
Packet Size-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.
Voice Active Detector - This function can detect if the voice
on both sides is active or not. If not, the router will do
something to save the bandwidth for other using. Click On to
invoke this function; click off to close the function.
Default SIP Account There are six groups of SIP accounts that you can set. Use the
drop down list to choose the profile name of the account as the
default one.
Play dial tone only when account registered - Check this box
to invoke the function.
Default Call Route Click To ISDN or To VoIP as the default call route. Type
proper characters on the box. When the caller dials the
characters inside the box, the call route will be changed.