GE twin set 21880 - Manual (Page 21)

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Holding Calls / Forwarding Calls
If the telephone is connected to a PABX system, it is possible to put
calls on hold and call other extension lines or to forward calls.
Press “R” key to put the call on hold and dial the extension
number (e.g. 23).
Press “R” key once more can re-take the call again or press
key to forward the call
Note: If several handsets are registered on the base station and a
call should be put on hold or forwarded, press “INT/OK” key
instead of “R”.
Note: The above information can vary according to the PABX
system used. Therefore, refer to the relevant information of the
PABX network.
Teleconference (Handset to Handset)
After have received an external call, it is possible to include a second
handset in the conversation (three way conference).
Press “INT/OK” key and enter the number of the corresponding
handset (e.g. 2) which will join the teleconference.
The external caller is kept on hold. As soon as the other handset
takes the call, example handset 1 can intercom with handset 2.
Only the initiating handset can start a 3 way conference, press
and hold “#” key 2 seconds.
By pressing key, any of the handsets quit from the
teleconference and the other handset continues with the external
call.
Changing the Receiver Volume
Press or key to change the receiver volume during a
call.
Note: There is no intercom between cordless handset and corded base
station.