Siemens 300 H Operating Instructions Manual page 18

Taking calls and setting up calls
Step by Step
18 18 18 18
You are addressed directly by a colleague over the loud-
speaker. Handsfree conversing and open listening are
activated automatically.
You can answer immediately in the handsfree convers-
ing mode. (Note: optiset E advance has open listening
only.)
Q
or Lift the handset and reply.
You can speak to the colleague directly
(Æ page 22).