Handsfree volume control
Headset socket
Headset / handset switch
Handset receive volume 4levels adjustable
10 non-volatile two-touch speed dial memories
Data port RJ11
Triple standard message wait lamp (high voltage, reversepolarity, SR switchable)
Incoming call light
16 ringer melodieswith adjustable volume
Last number redial
Mute or hold with music &extension release
Cellular phone RFI noise immunity
ELR/TBR (programmable flash time)
Hearing aid compatible
Desk or wall mountable