Fanstel ST250 Body Color: Black Additional Features: Frequency-specific amplification for both handset and headset. Automatic activation for frequency-specific amplification. RJ22 and 2.5mm headset jack with built-in amplifier Headset LED indicator Redial, up to 32 digits Search number in directory by entering name. Dialing from Caller ID log or directory Messages button to access voice mailbox. One-Touch Call Forward: Don’t need to wait for the end of dialing sequence for Call Forwarding before leaving office. Edit telephone number before dialing LED light to indicate that phone line In Use. Speakerphone and mute LED indicator. Basic telephone function maintained without power supply Memory retention without power. Tone or pulse dialing. Voicemail waiting indication for line 1 and line 2. Display real time clock and date when idle. Phone Dir...