Conference call

This allows three callers to carry out a conversation together.

DTMF

Dual Tone Multi Frequency - a method of sending signals over a telephone link. Each digit dialled represents a combination of tones.

Enquiry call

During a call you may call a second person. As soon as you dial the second number, the first call is automatically put on hold. When you have finished your enquiry call you may return to your initial call.

Feature codes

Most of the programmable features may be activated by dialling a specific number (see page 1).

“Follow me” forwarding

When you are away from your own extension, “follow me” forwarding allows you to receive your calls at your current extension. This feature is activated at the destination extension.

Forwarding

Redirecting calls to another destination.

Hold

You may place a call on hold in order to carry out another function or to prevent the caller from hearing you.

Hunting group

A group of extensions which are linked by a code number. When this number is dialled the system ‘hunts’ for a free extension within the group. Any extension within a group may answer a group call by entering a feature code.

Intrusion

If an extension or line is busy you may be authorised to intrude on that extension, in order to contact the person urgently.

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-Alcatel User Guide Advanced

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Alcatel-Lucent Alcatel 4400 manual Conference call, Enquiry call, Feature codes, Forwarding, Hold, Hunting group, Intrusion