- 6
Call Appearance/Feature Buttons
- 15
Exclusive Feature Buttons
- 2-Line
Supertwist Display
- 2
Headset Jacks
- Adjunct
Jack used for connecting compatible adjunct equipment such as
an S101A or S201A Speakerphone, a 507A Adapter, or a 500A Headset
Adapter
- Other
buttons include: Drop/Test, Conference/Ring, Hold, Transfer, Release,
Log in, Mute, Volume Control
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