Fanstel ST150 is a sophisticated amplified business speakerphone that can digitally adjust frequency-specific volume levels so that any user, especially those working in extremely noisy environments, can comfortably and clearly hear a caller’s voice.

Features:
- Up to 52 dB amplification at 120 dBSPL
- Frequency-specific amplification for both handset and headset
- Auto-select the best amplification level
- RJ22 and 2.5mm headset ports
- Headset button with LED indicator
- Redial memory of up to 32 digits
- 99 Names/numbers directory
- Name search in directory
- Dial from Caller ID log or directory
- 7 Programmable memory buttons
- One Touch Call Forwarding
- Edit telephone number before dialing
- Speakerphone and mute LED indicator
- Make or receive phone call without power
- Memory retention without power
- Hearing aid compatible
- 99 Name/number Caller ID log
- Caller waiting ID, voice mail waiting
- Ultra large fonts on high contrast LCD
- Backlit LCD with adjustable viewing angle
- LCD viewing area: 7.4 square inches