No. Name Description
14 Volume Used to adjust volume of a handset, a speaker, or a ringtone.
• (+): To increase the volume.
• (-): To decrease the volume.
15 Mute button Used to mute or unmute the outgoing audio.
16 Handset Used to receive or make calls.
Application keys provide direct access to the corresponding applications.
No. Application keys Description
6 Phone key Displays the Phone screen.
8 Main menu Displays a list of options, such as Features, Applications,
Settings, Network Information, Administration, and About.
9 Contacts Displays the entries in your Contacts list.
10 Recents Displays the list of all calls.
Optional components
You can use the following optional components with the phone:
• PSAC12R–050 – 5V DC Power adapter
• Avaya J100 Expansion Module
• GSPPoE - Avaya 48V PoE power inserter
Optional components
July 2020 Using Avaya J169/J179 IP Phone in an Avaya Cloud Office
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