The backbone of your IT infrastructure. Switches ensure that packets of data are reliably and swiftly transmitted between different devices in your network.
Routers are the gateway between your network and the internet. As the name suggests, they “route” the connection between all of your devices and their intended destination on other networks and the internet.
In a fast-changing business landscape where more and more devices are transitioning to wireless connectivity, wireless networks are becoming not only increasingly important, but critical to maintaining the interconnectivity of IT infrastructure and productivity.
In the age of big data, businesses are required to store large amount of data, either willingly or unwillingly to efficiently operate their business. This gives a great liability on businesses to ensure the safety of this data.
Our technology partners have brought to market all-in-one server solutions. These all-in-one server chassis allow for more accessible ways to provide switching, virtualization, computing and storage solutions for your business.
Our partners specialize in getting you up and running on the latest, state-of-the-art communications solutions. Whether it is for conference calls, video conferencing, or getting your entire operations and up and running for remote work.
When it comes to network speed and security, hard lines are still the safest option. We have a vast inventory of cabling solutions that support every interface you may require at varying distances.
Networking hardware doesn’t stop at the core hardware, from stack kits, to stack cables, to redundant power supplies to rack mounts, ensure your project is complete with a wide selection of in-stock and ready-to-ship accessories.
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Content | CP-8851-K9-NEW | ||
Details |
VoIP phone
SIP
RTCP
RTP
SRTP
SDP
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Power Adapter Sold Separately | ||
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| Brand | Cisco |
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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. 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 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.
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| Display | 5" high-resolution (800 x 480) WVGA color display |
| Ethernet Switch | 10/100/1000 |
| Programmable Line Keys | 4 |
| Number of Line Keys | 5 |
| Full Duplex Speakerphone | Yes |
| Wideband Audio | Yes |
| PoE Classification | Class 3 |
| Bluetooth / DECT | Bluetooth |
| USB (Physical Ports) | 2 Ports |
| KEM (Key Expansion Module) | Two Optional KEM |
| Third-party Call Control | Yes |
| Replaceable Bezel | Yes (Black, Silver) |
| Wall Mountable | Yes |
| Audio codec support | G.711 a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) |
| Key call features support | DialingAbbreviated dialingAdjustable ring tones and volume levelsAdjustable display brightnessAgent greetingAuto-answerAuto-detection of headsetcBargeBusy Lamp Field (BLF)Busy Lamp Field (BLF) PickupBusy Lamp Field (BLF) speed dialCallbackCall forwardCall forward notificationCall filterCall history listsCall parkCall pickupCall timerCall waitingCall chaperoneCaller IDCorporate directoryConference, including traditional Join featureCross Cluster Extension Mobility (EMCC)Direct transferExtension mobilityFast-dial serviceForced access codes and client matter codesGroup call pickupHoldIntercomImmediate divertMalicious-caller IDMessage-waiting indicator (MWI)Meet-me conferenceMobilityMusic on hold (MoH)MuteNetwork profiles (automatic)On- and off-network distinctive ringingPersonal directoryPickUpPredialing before sendingPrivacyPrivate Line Automated Ringdown (PLAR)RedialRing tone per line appearanceService Uniform Resource Locator (URL)Shared lineSilent monitoring and recordingSpeed dialTime and date displayTransferUniform Resource Identifier (URI) dialingVisual voice mailVoice mailWhisper coaching |
| Electronic hookswitch | You can control the hookswitch electronically with a third-party headset connected to either the USB port or auxiliary port, or directly paired with the phone through bluetooth. |
| Cisco Intelligent Proximity | Audio path moving sends audio through the IP Phone 8851 for a mobile 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 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID. |
| Network features | Session Initiation Protocol (SIP) for signalingSession Description Protocol (SDP)IPv4 and IPv6User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams)Dynamic Host Configuration Protocol (DHCP) client or static configurationGratuitous Address Resolution Protocol (GARP)Domain Name System (DNS)Trivial File Transfer Protocol (TFTP)Secure Hypertext Transfer Protocol (HTTPS)VLANReal-Time Transport Protocol (RTP)Real-Time Control Protocol (RTCP)Cisco Peer-to-Peer Distribution Protocol (PPDP)Cisco Discovery ProtocolLLDP (including LLDP-MED)Switch speed auto-negotiation |
| Security features | Secure bootSecure credential storageDevice authenticationConfiguration file authentication and encryptionImage authenticationRandom bit generationHardware cryptographic accelerationCertificate Authority Proxy Function (CAPF)Manufacturer-Installed Certificates (MIC)Locally Significant Certificates (LSC)Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)Signaling authentication and encryption using TLSMedia authentication and encryption using SRTPHTTPS for client and serverSecure Shell (SSH) Protocol serverSecure Sockets Later (SSL)-based VPN client |
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Physical dimensions (HÂ WÂ 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 | Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A |
| Operational temperature | 32 to 104F (0 to 40C) |
| Nonoperational temperature shock | 14 to 140F (-10 to 60C) |
| Humidity | Â Â Â Â Â Â Â Operating 10 to 90%, noncondensingNon-operating 10 to 95%, noncondensing |
| Language support | Arabic (Arabic Area)Bulgarian (Bulgaria)Catalan (Spain)Chinese (China)Chinese (Hong Kong)Chinese (Taiwan)Croatian (Croatia)Czech (Czech Republic)Danish (Denmark)Dutch (Netherlands)English (United Kingdom)Estonian (Estonia)French (France)French (Canada)Finnish (Finland)German (Germany)Greek (Greece)Hebrew (Israel)Hungarian (Hungary)Italian (Italy)Japanese (Japan)Latvian (Latvia)Lithuanian (Lithuania)Korean (Korea Republic)Norwegian (Norway)Polish (Poland)Portuguese (Portugal)Portuguese (Brazil)Romanian (Romania)Russian (Russian Federation)Spanish (Columbia)Spanish (Spain)Slovak (Slovakia)Swedish (Sweden)Serbian (Republic of Serbia)Serbian (Republic of Montenegro)Slovenian (Slovenia)Thai (Thailand)Turkish (Turkey) |
| Certification and compliance | Regulatory compliance   CE Markings per directives 2004/108/EC and 2006/95/EC Safety   CAN/CSA-C22.2 No. 60950 Second Edition   EN 60950 Second Edition (including A11 & A12)   IEC 60950 Second Edition (including A11 & A12)   AS/NZS 60950   GB4943 EMC – Emissions   AS/NZS CISPR22 Class B   CISPR22: 2005 w/Amendment 1: 2005 Class B   EN55022: 2006 w/Amendment 1: 2007 Class B   ICES003 Class B   VCCI Class B   EN61000-3-2   EN61000-3-3   KN22 Class B EMC – Immunity   CISPR24   EN60601-1-2   KN24   Armadillo Light Telecom   CS-03-HAC   AS/ACIF S004   AS/ACIF S040   NZ PTC 220   Industry Standards: TIA 810 and TIA 920   Industry Standards: IEEE 802.3 Ethernet, IEEE 802.3af and 802.3at   Korea (RRA Public Notification 2010-36, Nov 01, 2010)   Korea (RRA Announce 2011-2, Feb 28, 2011) Radio   RSS-102 (BT RF Exposure TR)   RSS-210   EN 300.328   EN50385 (BT RF Exposure TR)   EN 301-489-1   EN 301-489-17   NCC LP0002   Korea (RRL No. 2006-128, RRL No. 2006-129)   Japan Bluetooth GFSK/EDR        |
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