User's Manual 7. Performing Basic Operations
Version 3.0.4 77 445HD IP Phone
7 Performing Basic Operations
This section shows basic phone operations.
7.1 Using Audio Devices
Any of these phone audio devices can be used for speaking and listening:
Handset: To make a call or answer a call, lift it.
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.
The audio device can be switched during a call.
To switch from speaker/headset to handset:
Activate speaker/headset and pick up the handset.
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.
7.2 Checking Voice Quality
Voice quality on the phone can be checked to make sure it is high-definition.
To check voice quality:
1. Press the MENU key, select the Status option and then select Voice Quality Check.
You're invited to "Record a short message after the tone then wait to hear how you sound".
Note: The feature must be enabled on the Skype for Business server by the network
administrator for it to be available. See the Administrator's Manual for more information.
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