Gigaset SL450 Owner's Manual page 20

Making calls
Internal call waiting during an external call
If an internal participant attempts to call you while you are involved in an external or internal call,
this call is shown on the display (Call Waiting).
•
End display: Press any key
•
Accept the internal call:
The internal call is indicated in the usual way. You can accept the call.
Listening in to an external call
You are conducting an external call. An internal participant can listen in to this call and take part
in the conversation (conference).
The Listening In function must be activated.
Activating/deactivating internal listening in
¤
. . . use
In Change (
Internal listening in
The line is engaged with an external call. Your screen will display information to that effect. You
can listen in to the external call.
¤
Press and hold . . . all participants will hear a signal tone
Ending listening in
¤
Press . . . all participants will hear a signal tone
18
End your current call
to select Settings
= on)
OK Telephony OK Listening