3. To adjust the volume, press + or - on the Volume button.
4. Do one of the following:
a. To continue the call using the handset, lift the handset. To activate the speaker
additionally (Monitoring), press the Speaker button. To activate Handsfree
press the Speaker button once more.
b. To end the call, press the Speaker button.
Requesting automatic callback
If an internal call number you dialed is busy or unanswered, use this procedure if you want
your telephone system to call you back when the number is no longer busy, or the called person
had another call while you are waiting.
In case of external calls, Automatic callback is only presented as an option if the network
provider and the system connection support it.
1. Select the Callback softkey.
2. Replace the handset.
Your telephone system calls you back as soon as the called number is free or free
again.
3. Lift the handset
Your telephone system calls the dialled call number again.
4. To delete the automatic callback again:
a. Select status information Callback act.
b. Press the OK button.
c. Press the Delete softkey.
Redialing
You can redial one of the last numbers called.
If you selected a special number to present to the call recipient, this will also be used for redial.
Making calls
18 1408/1416 at Integral 5 - User Guide May 2010