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

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. In addition, Cisco Intelligent Proximity brings the worlds of desk and mobile together for you when you are using your mobile device at the desk for your work. You can move the audio path over to the Cisco IP Phone 8851 during active mobile calls to take advantage of its superior audio acoustics. An example would be to share a conversation with a colleague who you want to listen in. This capability gives you greater flexibility and a superior user experience when at your desk. The IP Phone 8851 also comes standard with a USB port so you can charge your smartphone when at your desk, and stay connected when away from your desk. The Cisco IP Phone 8851 offers five programmable line keys. You can configure keys to support either multiple directory numbers or calling features such as speed dial. You can also boost productivity by handling multiple calls for each directory number using the multicall-per-line feature. Fixed-function keys give you one-touch access to applications, messaging, directory, as well as often-used calling features such as hold/resume, transfer, and conference. A five-way navigation cluster helps you transition through menus more easily. Backlit acoustic keys provide flexibility for audio path selection and switching.

Key Selling Points

• 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

 

Main Specifications

Product Description Cisco IP Phone 8851 – VoIP phone Product Type VoIP phone Compatible Platforms Cisco Business Edition 6000 Main Features Multiple VoIP protocol support, integrated Ethernet switch VoIP Protocols SIP, RTCP, RTP, SRTP, SDP Voice Codecs G.722, G.729a, G.711u, G.711a, iLBC, iSAC Lines Supported 5 lines Intercom Yes Speakerphone Yes (digital duplex) Call Services Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability Display LCD display – color – Yes Network Ports Qty 2 x Ethernet 10Base-T/100Base-TX/1000Base-T Compatible Software Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later Manufacturer Warranty 1-year warranty

 

Extended Specifications

General

Product Type VoIP phone Compatible Platforms Cisco Business Edition 6000 Body Material ABS plastic

Phone Features

Wireless Interface Provided Bluetooth Bluetooth Profiles Hands-Free Profile (HFP), Phonebook Access Profile (PBAP) Call Services Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability Key Expansion Module Max Qty 2 Dialer Type Keypad Dialer Location Base Conference Call Capability Yes Intercom Yes Speakerphone Yes (digital duplex) Menu Operation Yes Programmable Buttons Qty 5 Indicators Voice message waiting indicator, speakerphone indicator, headset Firmware Upgradable Yes Additional Functions Call timer, Intercom Additional Features Music on hold, BLF status lamps, compatible with Bluetooth headsets

IP Telephony

Main Features Multiple VoIP protocol support, integrated Ethernet switch VoIP Yes VoIP Protocols SIP, RTCP, RTP, SRTP, SDP Voice Codecs G.722, G.729a, G.711u, G.711a, iLBC, iSAC Lines Supported 5 lines Quality of Service IEEE 802.1Q (VLAN), IEEE 802.1p Security IEEE 802.1X, TLS Power Over Ethernet (PoE) Support Yes Network Protocols IP, TFTP, UDP, Cisco Discovery Protocol (CDP), HTTP, DNS, HTTPS, SRTP, Link Layer Discovery Protocol – Media Endpoint Discovery (LLDP-MED), RTCP, RTP Network Ports Qty 2 x Ethernet 10Base-T/100Base-TX/1000Base-T Compatible Software Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later Network Features Class 3 PoE

Display

Type LCD display – color Display Location Base Diagonal Size 5″ Display Resolution 800 x 480 pixels Color Depth 24-bit (16.7 million colors) Backlit Yes Display Languages Danish, Hebrew, Hungarian, Czech, Croatian, Slovenian, Thai, Slovak, Brazilian Portuguese, English, German, French, Italian, Norwegian, Portuguese, Polish, Finnish, Swedish, Russian, Spanish, Dutch, Greek, Turkish, Arabic, Bulgarian, Latvian, Lithuanian, Estonian, Serbian, Romanian, Catalan, Japanese, Chinese, Korean

Miscellaneous

Connections Headset jack / RJ-9 ? Electronic hook switch (EHS) ? USB Hearing Aid Compatible Yes Placing / Mounting Wall-mountable, table mount Compliant Standards CISPR 22 Class B, CISPR 24, EN 61000-3-2, EN 61000-3-3, EN55024, EN55022 Class B, ICES-003 Class B, AS/ACIF S004, RSS-210, RSS-102, FCC Part 68, ADA, CS-03, UL 60950-1 Second Edition, EN 60601-1-2, FCC CFR47 Part 15 B, GB 4943, AS/NZS 60950, HAC (Hearing Aid Compatible), CSA C22.2 No. 60950-1 Second Edition, EN 60950-1 Second Edition, IEC 60950-1 Second Edition, EN 300 328, EN 301 489-1, EN 301 489-17

Dimensions & Weight (Base)

Width 10.1 in Depth 1.6 in Height 9 in Weight 2.6 lbs

Manufacturer Warranty

Service & Support Limited warranty – replacement – 1 year