D-Link DPH-120S User's Guide download pdf (Page 26)

7.12 Voice Setting and QoS

Codec

Voice Compression Algorithm priority settings. Select

from the most used codec to the least used codec.

RTP Packet Length

Real-Time Transfer Protocol (RTP) packet length.

VAD

VAD detects voice activity and adjusts the signal to a

target power level. It ensures that background noise or

echo does not get amplified to the target power level.

DTMF Method

Select the tone method for IP phone.

Voice TOS

Sets the type of service for this Internet datagram.

VLAN

VLAN Priority

VLAN ID

Enable or disable virtual LAN.

Set the virtual LAN Priority.

Virtual LAN ID.

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D-Link DPH-120S User's Guide Page 26