This call center phone with headset has Receiver, headset and hands-free key- 3 methods of answering calls to let you customize your setup to maximize efficiency in your work area Up to 66 groups of incoming calls memory and 16 groups of outgoing calls memory to convenient you read the calls record Up to 5 groups ONE-touch dialing memories and 10 groups TWO-touch dialing memories to make it easy to connect with vendors, clients and other frequently called numbers