Call Broker; Call Reject - ZyXEL Communications omni TA128 User Manual

AT Commands
ATS79.3=0
ATS79.3=1
O O Note: If you disable the call waiting function(S79.2=0 or S79.3=0), the
second incoming call will be blocked.
O O Note: 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:
To accept the call, press the Flash key and 0 to accept the
second call and place the first call on hold.
Accept the second call: H Flash è H #0
To reject the second call press the Flash key and 5.
Reject the second call: H Flash è H #5
To establish a three way conference call press the Flash key
and 3.
Establish a conference call: H Flash è H #3

Call Broker

The call broker feature enables you to switch back and forth
between the first and second calls by pressing the Flash key and 0.
Call Broker: H Flash è H #0

Call Reject

To disconnect an active call and return to a call that is on hold
press the Flash key and 5. This allows you to disconnect a call
without hanging up your handset.
Call Reject: H Flash è H#5
Description
Disable call waiting for POTS port 2.
Enable call waiting for POTS port 2 (Default).
71