Zhone 2208 用户指南
4-74
2 0 0 0 - A 2 - G B 2 1 - 1 0
Figure 4.77
Ground Start OHT Mode Selection Menu
2
Type “E” to enable onhook transmission mode, or “D” to disable it. The
IAD saves the mode you’ve selected and redisplays the Ground Start OHT
Mode Selection menu.
3
Press Escape to return to the Voice Configuration menu and continue with
other voice path configuration.
Configure Echo Cancellation Default Settings
To set echo cancellation default settings, type “E” on the Voice
Configuration menu (Figure 4.54) to display the Echo Cancellation Default
Settings Configuration menu (Figure 4.78).
Settings Configuration menu (Figure 4.78).
Figure 4.78
Echo Cancellation Default Settings Configure Menu
Each of the options on this menu is described in detail below.
Set Echo Cancellation
Default Setting for All
Ports
1
Type “1” on the Echo Cancellation Default Settings Configuration Menu
(Figure 4.78) to enable or disable echo cancellation for all ports.
2
Type “E” to enable echo cancellation for all ports, or “D” to disable it. The
IAD saves the mode you’ve selected and redisplays the Echo Cancellation
Default Settings Configuration menu.
3
Press Escape to continue with other voice path configuration.
Displaying Current
Echo Cancellation
Default Settings
To display the Current Echo Cancellation default settings, follow the steps
below.
below.
1
Type “2” on the Echo Cancellation Default Settings Configuration Menu
(Figure 4.78) to display the echo cancellation setting on each port. The IAD
lists each port and whether echo cancellation is enabled or disabled.
2
Press any key to return to the Echo Cancellation Default Settings
Configuration menu.