No. Name Description
14 Navigation cluster Used to navigate on the phone screen.
• Up and Down arrow keys: To scroll up and down.
• Right and Left arrow keys: To move cursor in the text input
field, and to toggle values in the selection fields.
• OK button: To select the action assigned to the first soft key.
18 Transfer Used to transfer a call.
19 Headset Used to turn on headset, and also to toggle your call from the
speaker to headset.
20 Conference Used to initiate a conference call and also to add a participant to
a conference call.
21 Dialpad keys Used to dial the phone extensions or enter alphanumeric
characters and special symbols.
22 Handset Used to receive and make calls.
23 Volume Used to adjust volume of a handset, speaker, or ringtone.
• (+) : To increases the volume.
• (-): To decrease the volume.
24 Mic The Mic of the phone.
Application keys provide direct access to the corresponding applications:
No.
Application keys Description
5 Phone key Displays the Phone screen.
15 Main Menu Displays the list of options, such as Features, Applications,
Settings, and Network Information.
16 Contacts Displays the entries in your Contact list.
17 Recents Displays the list of all calls.
Related links
Phone overview on page 13
Connection jacks of a J159 IP Phone
The following image illustrates the connection jacks that are present on the back panel of Avaya
J159 IP Phone.
The image schematically describes which device to connect to which jack.
Phone overview
April 2020 Using Avaya J159 IP Phone SIP 16
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