Callbox IP-562 State of the Art IP Phone

Displays up to 4 active calls, plus you can use the 10 buttons on the side as one button speed dials or to monitor other people in the office known as a Busy Lamp Field (BLF). See everyone in the office. Their button is Green when they are off their phone, or Red when they are on their phone. Simply press their button to intercom them. You may Transfer the call to them, or you may Transfer the call directly to their voicemail.