EnGenius Technologies DuraFon 4X User Manual
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Call Waiting
 
1. A handset, while talking on one phone line, can be informed of 
the arrival of a new incoming phone call.
 
2. For example, suppose that Handset 15 is talking on Line 1. 
When a new call comes in on, say, Line 4, and the caller 
enters extension number “15” when prompted by the AA, or if 
the call is set to be routed to Handset 15 when AA is disabled. 
 
3. The base station recognizes that Handset 15 is busy. Instead 
of announcing to Line 4 that Handset 15 is busy, the base 
sends an alert to Handset 15. 
 
4. Upon receiving the alert, the handset sounds an audible 
double beep alert and LCD displays “New call on Line 4”.
 
5. Handset 15 can: 
a. Ignore the new call; continue talking to Line 1. 
b. Press FLASH key to switch to Line 4. 
c. Subsequent pressing of FLASH key will toggle between 
Line 1 and Line 4.
d. Press END key while talking to a line will terminate that
particular call and automatically switch back to talking to 
the remaining line. 
Notes: 
1. This built-in call waiting is separate from the Call Waiting 
feature available from the local phone company. The phone 
company provided Call Waiting functions on the same phone 
line, while the Call Waiting functions on two separate phone 
lines. 
2. This feature only works for 2 lines, if a 3
rd
phone call comes for
the same handset, the call will not be routed to the handset.
3. It is recommended to order from the local phone company
Hunt Group feature for all your lines and not subscribe to the 
Call Waiting feature. 
AA Configuration by Administrator
 
1. Administrator can change the following AA settings: 
