Telephoning Special Calls/Functions702.6 Special Calls/Functions2.6.1 Accepting an Appointment CallYou can save appointments with the menu item Appointments in the MenuCardMessages.At the appropriate time, the appointment message appears on the display andyour telephone rings for one minute with the ringer volume steadily increasing.Press the OK key O once to switch the ringer signal off. Press O again toacknowledge the display signal. If you lift the handset during an appointment call,a special tone indicates that the ringer signal was an appointment call.You can also end the appointment call with the e key or by lifting thehandset. Elapsed and active appointment calls are displayed in the Info Men-uCard.2.6.2 Baby CallYou can save an internal or external telephone number in the menu item Babycall of the MenuCard Protection. If the menu item has been activated, thisprogrammed telephone number is dialled when a specified period has expired(default setting is five seconds after you have lifted the handset). If you begindialling a call number within the specified period, the baby call is cancelled. Thebaby call can also be triggered by pressing the hands-free/open-listeningkey L, a call key g or the headset key K (requirement: the headsethas to be turned on, see page 108).Your system administrator configures the baby call period from 0 to 20 seconds forall subscribers on the OpenCom 100/OpenCom X300. Ask your administrator whatthe current value is.