IP-телефон Cisco CP-8851-W-K9 = (White)

Hardware Features

Ergonomic design

The phone offers an easy-to- use interface and provides a traditional telephony-like user experience.

Graphical display

The 800 × 480, 24-біт кольору, 5-in. WVGA display дає змогу скористатись доступом до значень і текстових XML applications.

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) і місія Федеральної комунікації Комісія (FCC) вільні вимоги до Америці з Disabilities Act (ADA). You can achieve Section 508 loudness requirements by uSing industry-standard inline handset amplifiers such as Walker Equipment W-10 або CE-100 amplifiers.  o:p>

Speaker phone

A full-duplex speakerphone gives you flexibility in placing and receiving calls with hands free. Для посиленої безпеки, звукової Двохтонної Multifrequency (DTMF) тонни є закривається при проходженні дисплеї телефону.< /o:p>

Analog headset

The analog headset jack is a standard wideband -capable RJ-9 audio port.

AUX port

Ви можете використовувати auxiliary port to support Електронний звуковий сигнал control with third-party headset connected to it.

USB

Для USB-порту вбудовується call handling by enabling wired або бездротові headsets, як добре, як до 500-мА Power output 5V або 2.5W для smartphone charging.

Ethernet switch

An internal 2-port Cisco Ethernet switch дозволяє для прямого підключення до 10/100/1000BASE-T мережі Ethernet (IEEE 802.3i/802.3u/802.3ab) через RJ-45 interface with single LAN connectivity for both the phone and co-located PC.

The system administrator can designate separate VLANs ( IEEE 802.1Q) для комп'ютера та телефону, що забезпечує несприятливі та надійність безпеки та data traffic.

Bluetooth

Bluetooth 3.0 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 key paths (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 buttons and keys є easy-to-use. The 2-position foot stand supports viewing angles of 35 and 50 degrees; Ви можете повернути ходу води для wall mounting, with mounting holes located on the base of the phone.

Wall-mountable

Ви можете встановити телефон на wall using an optional wall-mount kit.

Key expansion module (KEM)

The phone supports up to two KEMs to expand from 5 or 10 line buttons to 61 or 66 line buttons. Ви маєте convenience of speed dials or programmable features, or the necessity of following the activity of lines.

Physical security

The phone is compatible with the Kensington Security Slot (K-Slot) antitheft system.

Power Features

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. В PoE class 3 case, один KEM може бути підключений і активований через PoE разом з host 8851 телефон, в PoE class 4 випадку, два KEM може бути підключений і Powered up через PoE together with host 8851 телефону.

The phone is compatible with both IEEE 802.3 af 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.

Call-Control Support< /o:p>

Cisco Unified Communications Manager< /o:p>

8.5.1 Only)

8.6.2

9.1.2

10.5.2

11.0 and later

Cisco Unified Communications Manager Express (Unified CME )

10.0 and later through fast track

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)

Audio codec support

G.711 a-law and mu -Law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), та Internet Speech Audio Codec (iSAC)< o:p>

Key call features support< /o:p>

+ Dialing, Abbreviated dialing, Adjustable ring тони і розміри рівнів, Adjustable display brightness, Agent greeting, Auto-answer, Auto-detection of headset, cBarge, Busy Lamp Field (BLF), Busy Lamp Field (BLF) Pickup, Busy Lamp Field (BLF) speed dial, Callback, Call forward, Call forward notification, Call filter, Call historie lists, Call park, Call pickup, Call timer, Call waiting, Call chaperone, Call ID, Corporate directory, Conference, including traditional Join feature, Cross Cluster Extension Mobility (EMCC), Direct transfer, Extension mobility, Fast-dial service, Forced access codes and client matter codes, Group call pickup, Hold, Intercom, Immediate divert, Malicious-caller ID, Message-waiting indicator (MWI), Meet-me conference, Mobility, Music on hold (MoH), Mute, Network profiles (automatic), On-and off-network distinctive ringing, Personal directory, PickUp, Predi , для повідомлень, Privacy, Private Line Automated Ringdown (PLAR), Redial, Ring tone per line appearance, Service Uniform Resource Locator (URL), Shared line, Silent monitoring and recording, Speed ​​dial, Time and date display, Transfer, Uniform Resource Identifier (URI) dialing, Visual voice mail, Voice mail, Whisper coaching

Electronic hookswitch

Ви можете керувати електродвигуном електродвигуна третій-партійний headset під'єднаний до будь-якого USB-порту або електронного порту, або прямо з'єднаний з телефоном через bluetooth.

Cisco Intelligent Proximity

Audio path moving sends audio through the IP Phone 8851 для мобільного device-connected call.

Call history synchronization allows you to view placed and missed calls of your mobile device from the
IP Phone 8851.

Contact synchronization allows you to synchronize the contact objects from your mobile device to your
IP Phone 8851.

Quality-of-service (QoS) options

The phone supports Cisco Discovery Protocol and 802.1 Q/p standards, and can be configured with 801.1Q VLAN header містить VLAN ID overrides configured by the Admin VLAN ID.< o:p>

Network features

Session Initiation Protocol (SIP) for signaling , Сесія Description Protocol (SDP), IPv4 і IPv6, User Datagram Protocol (UDP) (used тільки для Real-Time Transport Protocol [RTP] streams), Dynamic Host Configuration Protocol (DHCP) клієнт або статичне налаштування, Gratuitous Address Resolution Protocol ( GARP), Domain Name System (DNS), Trivial File Transfer Protocol (TFTP), Secure Hypertext Transfer Protocol (HTTPS), VLAN, Real-Time Transport Protocol (RTP), Real-Time Control Protocol (RTCP), Cisco Peer-to -Peer Distribution Protocol (PPDP), Cisco Discovery Protocol, LLDP (including LLDP-MED), Switch speed auto-negotiation

Security features

Secure boot, Secure credential storage, Device authentication, Configuration file authentication and encryption, Image authentication, Random bit generation, Hardware cryptographic acceleration, Certificate Authority Proxy Function (CAPF), Manufacturer-Installed Certificates (MIC), Local Significant Certificates (LSC), Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS), Signaling authentication and encryption using TLS, Media authentication and encryption using SRTP, HTTPS for client and server, ) Protocol server, Secure Sockets Later (SSL)-based VPN client

Physical dimensions
(H × W × D)

9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) (excluding foot stand)

Weight (with handset)

2.62 lb (1.19 kg)

Phone-casing composition< /o:p>

Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A

Operational temperature

32 to 104°F (0 to 40°C)

Nonoperational temperature shock

14 to 140°F (-10 to 60°C)

Humidity

Operating 10 to 90%, noncondensing

Non-operating 10 to 95%, noncondensing