- Hold
- Transfer
- Conference
- Redial
• LEDs:
- Speaker
- Mute
- Headset
- Recents
Related links
Physical layout of a J159 IP Phone on page 16
Connection jacks of a J159 IP Phone on page 18
Secondary display on page 20
Optional components on page 20
February 2022 Using Avaya J159 SIP IP Phone in Open SIP 15
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