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The Cisco IP Phone 8851 is a business-class collaboration endpoint that combines high-fidelity, reliable, secure, and scalable voice communications with Cisco Intelligent Proximity for telephony integration for personal mobile devices to support midsize to large enterprise businesses.
With the Cisco IP Phone 8851, you can increase personal productivity through an engaging user experience that is both powerful and easy-to-use. The IP Phone 8851 combines an attractive ergonomic design with wideband audio for crystal clear voice communications, "always-on" reliability, encrypted voice communications to enhance security, and access to a comprehensive suite of unified communication features from Cisco communication servers.
- IP Phone Technology: VoIP
- Dialer Type: Keypad
- Caller ID: Yes
- Speakerphone: Yes
- Features: Messages, Hold, Call Resume, Call Transfer, Conference Call, Hearing Aid, Hands-free, Speed Dial, Message Waiting LED, Indicator, Security, Adjustable Display, Auto-answer, (BLF) Busy Lamp Field, Call Forwarding, Call History, Call Park, Call Pick-up, Date and Time, Call Waiting, Group Pick-up, Intercom, Music on Hold, Mute, Distinctive Ringing, Redial, Call Share, Voice Mail, Multilingual Menu, Bluetooth
- Voice Codec: G.711a, G.711u, G.722, G.729a, iLBC, iSAC
Display & Graphics
- Screen Type: LCD
- Backlight: Yes
- Screen Size: 5"
- Screen Resolution: 800 x 480
- Network (RJ-45): Yes
- Number of Network (RJ-45) Ports: 2
- USB: Yes
- Headset Port: Yes
- PoE (RJ-45) Port: Yes
Management & Protocols
- Communication Protocols: SIP, LLDP-PoE, SDP, DHCP, RTP, RTCP, LLDP, LLDP-MED, SRTP
- Quality of Service: 802.1Q VLAN Support, 802.1p/q
- Buttons & Keys Type: Programmable, Directory, Message, Line Select, Navigation, Hold Button, Call Transfer, Conference, Volume Control, Speaker, Headset, Mute
- Input Voltage: 48 V DC
- Power Source: AC Adapter
- Form Factor: Wall Mountable
- Height: 9"
- Width: 10.1"
- Depth: 1.6"
- Weight (Approximate): 2.58 lb