WELLTECH ATA-172

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ATA Web user guide

62 / 114 2015/1/8

Item Decription

<<: Select [Enable Codecs] item, press [<<] button, can move

to Disable Codec area.

Up [Button] Select [Endble Codec] item, press [Up] button, can move up the

codec priority.

Down [Button] Select [Endble Codec] item, press [Down] button, can move

down the codec priority.

G.711 and G.729 Default: 20 ms; Set up the RTP Package Length of G.711 &

G.729.

Provide options: 10, 20, 30, 40, 50, 60, 70, 80, 90(ms).

G.723 Default: 30 ms; Set up the RTP Package Length of G.723.

Provide options: 30, 60, 90(ms).

G.723 5.3K Default: Diable; Set up the G.723 5.3K function open or close.

Silence

Suppression

(VAD)

Default: Disable; Set up Silence Suppression (VAD).

Provide options: Disable, Enable.

When VAD detects that the users are in talking , Codec will send

out messages to network. Theoretically, there is only one user

talking and another one is listening in the same time, the

listening one don’t send out any voice, so VAD will send the

messages of the talking one to network, therefore, VAD can

lower amount of message about 30%.

Echo Canceller Default: Disable; Setup Echo Cancel.

Provide options: Disable, Enable.

Codec Type Setup the information of Codec ID.

G726-16 Default: 23; When you Setup Custom, you can modify the Codec

ID Value. This column can only be numbers; maximum length is

3 bytes with the range of 95~127.