Single-line corded speakerphone with a 2.5mm headset jack — line-powered, no adapter needed.
The AT&T CL2909 is a single-line corded desk phone with a full-duplex speakerphone, large buttons, and wall-mount capability. It runs on line power for basic calling; four AA batteries (not included) power the display and electronic features.
Key Features:
- Single-line corded; line-powered (no AC adapter for basic calling)
- Full-duplex speakerphone with volume control
- 2.5mm headset jack
- 3-line × 15-character LCD with adjustable contrast
- 14 one-touch speed-dial locations
- Wall-mountable
