Cisco IP Phone 8851 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines - white

The phone offers an easy-to-use interface and provides a traditional telephony-like user experience
A full-duplex speakerphone gives you flexibility in placing and receiving calls with hands free
The analog headset jack is a standard wideband-capable RJ-9 audio port
Line keys
Soft keys
Back and release keys
Four-way navigation and select keys
Hold/resume, transfer, and conference keys
Messaging, application, and directory keys
Standard keypad
Volume-control toggle key
Speakerphone, headset, and mute keys