Aastra 7433ip for MX-ONE User Guide EN User Manual download pdf (Page 39)

IP PHONE FOR MX-ONE™

39 6/1553-DBC 433 01 Uen D 2012-02-22

5 Outgoing Calls

This chapter describes how to make outgoing calls, and lists the options

available to you when you receive a busy tone or no answer.

5.1 Making Calls

You can call both internal and external numbers from your phone. To dial

an external number, you must first enter the external access code.

Note: The external access code is one or more digits used in your office

to get a line for external calls, for example 0 or 00.

To make a call, do the following:

1) Lift the handset and wait for a dial tone.

2) Dial the number.

•For internal calls, dial the extension.

•For external calls, enter the external access code and dial the

external number.

It is possible to use short numbers for numbers that you call often, see

section 5.5 Speed Dialing on page 45.

5.2 When You Receive a Busy Tone or No

Answer

If you call an internal number and you receive a busy tone or get no

answer, or if all external lines are busy, you can either try again later, or

order automatic callback, call waiting, or intrusion.

5.2.1 Callback

When you order callback for a busy extension, you will be called back as

soon as the extension or line becomes free. If you order callback when

there is no answer, you will be called back when the extension has been

used the next time.

Note: When you return to the office, you can tell the system that you are

present by lifting the handset and immediately replacing it.

You can order automatic callback in the following cases:

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Aastra 7433ip for MX-ONE User Guide EN User Manual Page 39