- 30 programmable keys each with a dual-color LED
- Daisy-chain 5 modules for 150 programmable keys
- Dual color (red or green) LEDs for line status information
- Supports Busy Lamp Field (BLF), Presence
- Programmable for speed dialing, call pickup, Intercom, hold, transfer, voicemail, forward, DND…
- Expansion module (<2) is powered by the host phone
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