Sony 500 사용자 설명서
Basic functions
31
Step by step
Using callback
You can request a callback if the internal station called is
busy or if nobody answers. This also applies for external
calls via ISDN exchanges. This feature saves you from
having to make repeated attempts to reach the user.
You receive a callback
•
busy or if nobody answers. This also applies for external
calls via ISDN exchanges. This feature saves you from
having to make repeated attempts to reach the user.
You receive a callback
•
When the other party is no longer busy,
•
When the user who did not answer has conducted
another call.
another call.
Storing a callback
Prerequisite: You have reached a busy line or no one
answers.
answers.
Confirm the option shown.
Accepting a callback
Prerequisite: A callback was saved. Your telephone
rings and "Callback: ..." appears on the display.
rings and "Callback: ..." appears on the display.
^
Lift the handset.
or
n
Press the key shown. The LED lights up.
or
Select and confirm the option shown.
You hear a ring tone.
When configured (contact your service person-
nel), all callback requests are automatically dele-
ted over night.
nel), all callback requests are automatically dele-
ted over night.
Callback?
Answer?