Aastra 4420 IP Basic (SIP) for MX-ONE User Guide Manual do Utilizador descarregar pdf (Página 49)

49Dialog 4420 IP Basic

Other Useful Features

General Deactivation

The following features can be simultaneously cancelled:

• Callback (all Callbacks are cancelled)

• Internal and External Follow-me

• Manual Message Waiting/Absence Information

Order

#001# Dial.

Press.

Emergency mode

In the event of an emergency the operator can set the exchange

into Emergency mode, during which only preprogrammed

extensions are permitted to make calls. If your extension is not

assigned with this category and you try to make a call, you will not

receive a dial tone.

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Aastra 4420 IP Basic (SIP) for MX-ONE User Guide Manual do Utilizador Página 49