LG Aria Digital Keyphone (LDP 7024D)

3-Line 24 Character Adjustable LCD Display Full Hands-Free Speakerphone Navigation Control Dial Multi-Colour Line Keys Volume Control Dialling from Alpha Numeric Speed Dial Directory Flash (Recall) Call Transfer Differential Ringing Tone Selection 24 Programmable keys assignable as Direct Station Select, Speed Dial or Line Status 11 Feature Keys 3 Active Feature Buttons Message Waiting Lamp 2.5mm Headset Jack for Plantronics Polaris LDP Series Headsets Headset Compatbile with Plantronics M12e VISTA Adaptor and "H" Series Headsets OPTIONAL ACCESSORIES JN3547 - USB Module JN3547/BK - BLACK USB Module JN3548 - CTI Module JN3548/BK - BLACK CTI Module JN3549 - Bluetooth Module JN3549/BK - BLACK Bluetooth Module JN3550 - Full Duplex Speakerphone Module JN3550/BK - BLACK Full Duplex Speakerphone Module JN3551 - Melody Module JN3551/BK - BLACK Melody Module JN3552 - Full Duplex Speakerphone & Melody Module JN3552/BK - BLACK Full Duplex Speakerphone & Melody Module