Planet VIP-161W [49/72] Gain control level

Codec Priority 1~9

The Codec is used to compress the voice signal into data packets. Each

Codec has different bandwidth requirement. There are 9 kinds of codec. To

determine the priority, selects one codec algorithm from the pull-down

menus individually

G.723 Rate

This defines the encoding rate for G723 Codec, default is 6.3Kbps Rate

ILBC Mode

RTP Payload length. Select a length from the pull-down menu, default

setting is 30 m-sec

Packet Length

RTP payload length. Selects a length from the pull-down menu, default

setting is 20 m-sec

Voice Active Detector

It is used in speech encoding software to determine if the voice being encoded is human speech or

background noise. There are three type of silence suppression: NO CNG, Only G.711 Annex II type, and

Codec Specific CN.

Echo Canceller

The echo canceller literally removes your voice from the returning audio stream without removing the

audio coming from your caller.

Line Echo Canceller Tail

Length

Tail length for line echo cancellation. Default setting is in Disable mode

Acoustic Echo Canceller

Tail Length

Tail length for acoustic echo cancellation. Default setting is in Disable

mode

Gain Control Level

You can adjust the FXO Tx/Rx Gain Control level, range from 0db to 30db. The “gain” means increase

in the power of electrical signal, measures by decibel.

Automatic Gain Control Tx / Rx Level：Automatic voice gain control for transmitting. Default setting is

in Disable mode.