To configure an ACD key via web user interface: 
1.  Click on DSSKey->Line Key. 
2.  In the desired DSS key field, select ACD from the pull-down list of Type. 
3.  Select the desired line from the pull-down list of Line. 
 
4.  Click Confirm to accept the change. 
To configure the ACD auto available timer feature via web user interface: 
1.  Click on Features->ACD. 
2.  Select the desired value from the pull-down list of ACD Auto Available. 
3.  Enter the desired timer in the ACD Auto Available Timer (0~120s) field. 
 
4.  Click Confirm to accept the change.