Performing Basic Operations; Using Audio Devices; Making Calls - AudioCodes 420HD User Manual

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User's Manual
6

Performing Basic Operations

This section shows how to perform basic phone operations.
6.1

Using Audio Devices

You can use one of the following audio devices on the phone for speaking and listening:
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You can easily change audio device during a call.
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6.2

Making Calls

The phone offers multiple ways of making a call. After dialing a number:
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LCD indications:
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Note:
For defining a speed dial key, see Section
Version 2.0.11
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Handset: To make a call or answer a call, lift the handset off the cradle.
Speaker (hands-free mode). To activate it, press the speaker key during a call or when
making a call. To deactivate it, press the speaker key again.
Headset (hands-free mode). When talking on the phone, you can relay audio to a connected
headset. To enable it, press the headset key. To disable it, press it again.
To change from speaker/headset to handset: Activate speaker/headset and pick up the
handset; the speaker/headset is automatically disabled.
To change from handset to speaker/headset: Off-hook the handset and press the
speaker/headset key to activate the speaker/headset. Return the handset to the cradle; the
speaker/headset remains activated.
LCD displays and the called party's phone number or contact name if it's listed in the
phone directory
LCD displays the line extension number on which the called party is dialed
The phone plays a ring-back tone
To end dialing a call before it's answered:
Press the End softkey or the speaker key.
For advanced dialing using the phone directory, see Section
6. Performing Basic Operations
5.15 on page 42.
45 420HD IP Phone with Microsoft Lync
5.13 on page 37.