Siemens 600Series - Manual (Page 122)

5-12 ROLMphone 300/600 Series User Guide
➩ Hang up.
The parked call will recall your extension.
➩ When your phone rings, answer it and
begin speaking.
To pick up a call
parked on a line
that appears on
your phone ➩ Press the line key with the flashing status
light.
➩ Begin speaking. If you do not have a
speakerphone, you must pick up the
handset to speak to the other party.