AudioCodes 420HD - Performing Basic Operations; Using Audio Devices

User's Manual 6. Performing Basic Operations
Version 2.0.13 49 420HD IP Phone for Microsoft Skype for Business
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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Handset: To make a call or answer a call, lift the handset off the cradle.
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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.
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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.
You can easily change audio device during a call.
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To change from speaker/headset to handset: Activate speaker/headset and pick up the
handset; the speaker/headset is automatically disabled.
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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.
6.2 Making Calls
The phone offers multiple ways of making a call. After dialing a number:
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LCD displays and the called party’s phone number or contact name if it's listed in the
phone directory
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LCD displays the line extension number on which the called party is dialed
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The phone plays a ring-back tone
LCD indications:
Ø To end dialing a call before it's answered:
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Press the End softkey or the speaker key.
Note: For advanced dialing using the phone directory, see Section 5.13 on page 39.
For defining a speed dial key, see Section 5.15 on page 44.