Aastra 4420 IP Basic (SIP) for MX-ONE User Guide Manual de usuario descargar pdf (Pagina 20)

Outgoing Calls

Dialog 4420 IP Basic20

u Lift the handset.

*42# Dial and wait for a new dial tone.

Press

z Dial the number.

Instead of your name and number, the display on the called phone

shows

Anonymous.

When you receive a busy tone

If you call an extension and receive a busy tone, or get no answer,

or all external lines are busy, you can use any of the following

methods:

Callback

If a called extension is busy:

6 Press

Ô Callback press.

It can take several seconds before the procedure is executed.

A confirmation tone is heard.

Note: France, Finland and Sweden, press

d Replace the handset to finish the procedure.

You are called back (recall ring signal) when the ongoing call is finished

or the next time a new call is finished. You have to answer within eight

seconds, otherwise the Callback service is cancelled. While waiting for

the Callback, you can make and receive calls as usual.

u Lift the handset when you are called back.

The system calls the extension.

Note: Callbacks can be activated on several extensions at

the same time.

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Aastra 4420 IP Basic (SIP) for MX-ONE User Guide Manual de usuario Pagina 20