• Hard Buttons:
- Phone
- Messages
- Contacts
- Recents
- Main menu
- Navigation cluster
- Headset
- Speaker
- Volume
- Mute
- Hard Release Key (End call)
• LEDs:
- Speaker
- Mute
- Headset
- Message
- Recents
Related links
Physical layout on page 16
Connections jacks for J189 IP Phone on page 18
Secondary display on page 20
Optional components on page 20
Phone overview
April 2021 Using Avaya J189 SIP IP Phone in Open SIP 15
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