ZyXEL Communications omni.net Plus - Manual (Page 74)

Technical Reference for ZyXEL omni.net series
6-4
NOTE:
1: If you disable the call waiting function (S79.2=0 or S79.3=0),
the second incoming call will be blocked.
2: If you configure the POTS port for Modem/Fax connection
(S79.4=1 or S79.5=1), the call waiting feature of the respective POTS
port will be always disabled.
There are several ways to deal with a second incoming call.
1. Accept the call
Press the Flash key and 0 to accept the second call and put the current call on hold.
2. Reject the call
Press the Flash key and 5 to reject the second incoming call.
3. Establish a 3-Way Conference
Press the Flash key and 3 to establish the three-way conference.
Call Broker
The call broker function enables you to switch back and forth between the first and second calls by
pressing the Flash key and 0.
When you accept a second call, you can use the call broker function to switch back and forth
between caller B and C.
Step 1. Switch to caller C
Press the Flash key and 0 to switch to second caller C.
Step 2. Return to caller B
Press the Flash key and 0 again to switch back to caller B.