Cisco Unified Ip Endpoint 9951, Charcoal, Standard Handset, Standard - Ip Video Phone - Ieee 802.11B/G/A (Wi-Fi) - Sip - Charcoal Gray. Speakerphone, Caller Id, Voice Mail Capability, Call Waiting, Forwarding, Transfer, Hold --Function Buttons Conference Button, Voice Mail Button, Speakerphone Button, Transfer Button, Directory Button, Navigator Key , Headset Button , Mute Button, Hold Button