Welltech LP-803 v.3.07 User Manual
Page 55
LAN Phone 803
User Manual
Welltech Technology Co., Ltd.
55 / 90
2014/07/22
Item
Explanation
Move
>>: Select [Disable Codecs] item, press [>>] button, can move to
Enable Codec area.
>>: 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: Disable. Set G.723 5.3K function.
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.
Provide options: Default, Custom.
*: Please select Custom, before you modify Codec ID Value.
G726-24
Default: 22; This column can only be numbers; maximum length is 3
bytes with the range of 95~127.
Provide options: Default, Custom.
G726-32
Default: 2; This column can only be numbers; maximum length is 3
bytes with the range of 95~127.
Provide options: Default, Custom.
G726-40
Default is 21; This column can only be numbers; maximum length is 3
bytes with the range of 95~127.
Provide options: Default, Custom.
RFC 2833
Default is 101; This column can only be numbers; maximum length is
3 bytes with the range of 95~127.
Provide options: Default, Custom.
Submit [Button]
Save the Settings.