1. Enter the number you want to call.
2. Press the Speaker button.
3. To adjust the volume, press + or - on the Volume button.
4. 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.
5. To end the call, press the Speaker button.
Requesting automatic callback
If an internal telephone number you dialed is busy or unanswered, use this procedure to
request automatic callback. Your telephone system can call you back when the number is no
longer busy.
In case of external calls, the automatic callback option is only available if the network provider
and the system connection support it.
1. Press the Callback softkey.
2. Replace the handset.
Your telephone system calls you back as soon as the called number is free.
3. Lift the handset at the ringing tone.
Your telephone system calls the dialled call number again.
4. To deactivate the automatic callback again:
a. Press the Status softkey.
b. Select status information Callback act.
c. Press the OK button.
d. Press the Delete softkey.
Redialing a called number
You can redial one of the last numbers called.
Making calls
20 Avaya 9508 Series Digital Deskphone User Guide March 2011
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