Complete setup for an in home office, best setup for phone call related jobs like telephone marketing, work from home job. Included a telephone dialer with key pads that you simply plug the included RJ cord into your house wall telephone port, and the phone will automatic being powered and you already can hear a telephone dial tone that you can start making and receiving phone calls. Also included is an over the head headset with MUTE + volume control, mute button control is important for your job to mute the conversation when need. The dialer can ring or silent when receive incoming calls as well the phone number will be displayed. Everything included so you can just plug into the wall telephone port and you are ready to make and receive phone calls.