switel DC681 Bedienungsanleitung Seite 104

Telephoning
Holding a call / brokering
O, G / H
INTERCOM , O
G / H, O
HS2: A
O, G / H
SWITCHING , O
Making conference calls
An external call can be transferred to another internal handset for a conference call.
O, G / H
INTERCOM , O
G / H, O
HS2: A
O, G / H
CONFERENCE , O
HS1 / HS2: B
Setting the receiver volume
The volume can be adjusted to one of 5 levels during a call.
G / H
Displaying the duration of a call
The duration of a call is displayed in hours, minutes and seconds during the call.
Switching the ringing tone off
The handset's ringing tone can be switched off.
3 sec. #
3 sec. #
69
Handsfree
This function is used to listen to the caller via the loudspeaker.
A
A
104
During the external call
Dial the internal call number
Internal call is taken on the other handset
Switch to other caller
During the external call
Dial the internal call number
Internal call is taken on the other handset
Start the conference call
End the conference
Select the required volume
Switch off the ringing tone
Switch on the ringing tone
Activate handsfree talking
Deactivate handsfree talking