Draytek Vigor3300 Series, Руководство пользователя, Страница: 136 / 213

Vigor3300 Series User’s Guide
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port.
Proxy Server - Type the SIP proxy server to be applied on this
port.
Call without Registration – If the registration for this port is
not successful, click Enable to call via this port.
Play dial tone only when port registered – If the registration
for this port is not successful, no dial tone appears when picking
up the phone.
VoIP IP Address - The interface is used to apply VoIP traffics.
There are two options: WAN and LAN/VPN . If LAN/VPN is
selected, VoIP can be applied through a VPN tunnel to create a
high security voice phone.
Hotline Hotline Number to Internet - Pre-set a phone number to make
the port dialing out to Internet automatically.
Hotline Number to PBX / PSTN- Pre-set a phone number to
make the port dialing out to PBX/PSTN automatically.
FXO Manual Disconnection - Click Disconnect to disconnect this
phone line manually.
Codec Preferred Codec - It can be applied on this port. Vigor3300
supports five Codecs. The default setting is G.729A. You can
choose another one as preferred Codec for outgoing calls.
Single Codec - If you checked this box, only preferred codec
will be used for outgoing and incoming calls. And if the remote
end does not support such Codec, the VoIP communication will
be failed.
Codec Rate - Type the rate value to be applied on this port.
Codec VAD - Enable or Disable VAD (Voice Activity
Detection). It can detect whether the voice activity is
progressing or not. If not, RTP packets transmission will be
stopped for saving more bandwidth.
CAS Microphone Gain - The gain value while transmitting voice.
The default value is 0. The range is from -32 to 31.
Speaker Gain - The gain value while receiving voice. The
default value is 0. The range is from -32 to 31.