| Properties |
CP-8851-K9 |
| Description |
● Cisco IP Phone 8851, Charcoal |
| Product Family |
Cisco IP Phone 8800 Series |
| Product Type |
IP Phones |
| Graphical display |
● The 800 × 480, 24-bit color, 5-in. WVGA display provides scrollable access to calling features and textbased XML applications. |
| Audio |
● Automatic Gain Control |
| ● Comfort Noise Generation |
| ● Silence Suppression/Voice Activity Detection |
| ● Acoustic Echo Cancellation (AEC) |
| ● Dynamic Noise Reduction |
| Handset |
● The handset is a standard wideband-capable audio handset (connects through an RJ-9 port). |
| ● The standard coiled cord has a custom end for concealed cable routing beneath the phone |
| (cord length is approximately 21 in. [55 cm] coiled and up to 72 in. (183 cm) extended). |
| ● The handset is Hearing Aid-Compatible (HAC) and meets Federal Communications Commission (FCC) |
| loudness requirements for the Americans with Disabilities Act (ADA). You can achieve Section 508 |
| loudness requirements by using industry-standard inline handset amplifiers such as Walker Equipment |
| W-10 or CE-100 amplifiers. The dial pad is also ADA-compliant. |
| Analog headset |
● The analog headset jack is a standard wideband-capable RJ-9 audio port |
| AUX port |
● You can use an auxiliary port to support electronic hookswitch control with a third-party headset connected to it |
| Ethernet switch |
● An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through an RJ-45 interface with single LAN connectivity for both the phone and a co-located PC |
| ● The system administrator can designate separate VLANs (IEEE 802.1Q) for the PC and phone, providing improved security and reliability of voice and data traffic |
| Bluetooth |
● Bluetooth 4.1 LE, Enhanced Data Rate (EDR) Class 1 technology (up to 66-ft [20m] range) is supported |
| ● Hands-Free Profile (HFP) is supported for untethered headset connections and voice communications |
| ● Phone Book Access Profile (PBAP) is supported for phone book object exchange between devices |
| Keys |
● The phone has the following keys: |
| ◦ 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 |
| Backlit indicator |
● The phone supports backlit indicators for the audio path keys (Handset, Headset, and Speakerphone), select key, line keys, and message waiting |
| Replaceable bezel |
● The phone includes a black bezel; an optional silver bezel is also orderable separately |
| Dual-position foot stand |
● The display is easy-to-view and the buttons and keys are easy-to-use. The two-position foot stand supports viewing angles of 35 and 50 degrees; you can remove the foot stand for wall mounting, with mounting holes located on the base of the phone |
| Wall-mountable |
● You can install the phone on a wall using an optional wall-mount kit. |
| Physical security |
● The phone is compatible with the Kensington Security Slot (K-Slot) antitheft system |
| IEEE Power over Ethernet (PoE) |
● IEEE Power over Ethernet class 3 for hardware version prior to V08, class 4 for hardware version V08 |
| and above. In PoE class 3 case, one KEM can be attached and powered up through PoE together with |
| the host 8851 phone, in PoE class 4 case, two KEMs can be attached and powered up through PoE |
| together with the host 8851 phone. |
| ● The phone is compatible with both IEEE 802.3af and 802.3at switch blades and supports both Cisco |
| Discovery Protocol and Link Layer Discovery Protocol - Power over Ethernet |
| (LLDP-PoE). |
| Cisco IP Phone Power Cube 4 |
● This optional power cube is used as an AC-to-DC (48V) power supply for non-PoE deployments. Use of the power cube 4 also requires the use of one of the corresponding AC country cords |
| Cisco Unified Communications Manager |
● 8.5.1 (non-secured mode only) |
| ● 8.6.2 |
| ● 9.1.2 |
| ● 10.5.2 |
| ● 11.0 and later |
| Cisco Unified Communications Manager Express |
● 10.0 and later through fast track |
| (Unified CME) |
| Cisco Business Edition 6000 (BE 6000) |
● 8.6.2 |
| ● 9.1.2 |
| ● 10.5.2 |
| ● 11.0 and later |
| Cisco Hosted Collaboration Solution (HCS) |
● 8.6.2 and later (using supported UCM versions above) |