Aastra 4425 IP Vision (SIP) for MX-ONE User Guide Uživatelský manuál stáhnout pdf (Strana 42)

43Dialog 4425 IP Vision

Outgoing Calls

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 or there is no answer:

Ô Callback Press

6 press.

It can take several seconds before the procedure is executed.

A confirmation tone is heard.

Note: You can also press: CallBack (see display).

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.

If all external lines are busy (after dialing the digit or digits to get a

line):

Ô Callback Press,

6 press.

Note: You can also press: CallBack (see display).

z# Dial the external number and press.

Call Press.

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Aastra 4425 IP Vision (SIP) for MX-ONE User Guide Uživatelský manuál Strana 42