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Cisco IP Phone 8851 - VoIP phone

Manufacturer part number (MPN): CP-8851-K9=
Cisco IP Phone 8851 - VoIP phone - SIP, RTCP, RTP, SRTP, SDP - 5 lines

We guarantee that our stock is 100% original, European kit with full manufacturer warranty and is smartnet free.

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Product Information

Full Description


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.

  • 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

Product Faqs

Ask a Question

  • Hi Can you confirm if these phones can be used to connect to cloub based non cucm SIP accounts such as voiptalk or similarI need a good home office phone (with good speaker) to use around 4 SIP accounts Kind regardsNik


    Thanks for the enquiry. Looking at the Cisco datasheet, SIP is listed under the network features which suggests this should be possible but you may wish to confirm this directly with Cisco. You can engage them via live chat directly on their website.

    Hope this helps.

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