Callout number Name Button Icon Description
13 Speaker Press the Speaker button to use the
speakerphone. To take a call off
speakerphone, lift the handset or
press the Headset button.
14 Volume If you press + or - on the Volume
button on an active call, the phone
increases or decreases the receive
volume of your handset, or speaker
accordingly. When you are not on an
active call, pressing these buttons
adjusts the ringer volume.
15 Mute Press the Mute button to mute a call
in progress. To unmute the call, press
the Mute button again.
Connection Jacks
The following image illustrates the connection jacks that are present on the back panel of Avaya
J169/J179 IP Phone.
The image schematically describes which device to connect to which jack.
Connection Jacks
March 2018 Using Avaya J169/J179 IP Phones SIP 15
Comments on this document? infodev@avaya.com
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