Using Basic Phone Functions
Adjusting Call Volume and Muting
Cisco Small Business Pro IP Phone SPA 50X User Guide (SIP) 29
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Adjusting Call Volume and Muting
You can also change call volume settings from your PC using the IP Phone Web
Interface. See “Adjusting Audio Volume” section on page74.

Adjusting Call Volume

To adjust the volume of the handset or speaker, lift the handset or press the
Speaker button. Press + on the Volume button to increase the volume, or press - to
decrease the volume. Press Save (except on the Cisco SPA 501G model)

Adjusting the Ringer Volume

To adjust the ringer volume, press the Volume button when the handset is on the
phone and the speaker button is off. Press Save (except on the Cisco SPA 501G
model).

Using Mute

To mute the phone microphone, speaker, or headset microphone, press the Mute
button on the phone. The button glows red. Press the Mute button again to unmute.
If no audio device is on, pressing the Mute key has no effect. When switching from
the speaker phone to the handset, mute is turned off automatically.
Placing or Answering a Call
NOTE You may have to dial a number or numbers to reach an outside line. Ask your phone
administrator.
To place or answer a call, do one of these:
•Pick up the receiver.
•Press the Speaker button.