Cisco 8851 Desk IP Phone VoIP Expandable

In stock

Cisco 8851 Expandable IP Phone for VoIP & Business

The Cisco 8851 is an Executive, Supervisor or Reception IP Phone for business with expandable key buttons using addon modules. This small business, medium and large corporate IP VoIP SIP phone offers business class features at an affordable budget price tag.

Cisco 8851 IP Phone Overview

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.

This phone includes advanced headset connections, such as RJ9 Analog port, USB and BlueTooth devices.

The 8851 can be expanded for line and key feature sets with up to three CP 8800 Expansion Modules, allowing for an added overview of callers, lines and extension users on the system.
Up to three modules can be added with 36 buttons per module, that adds up to 108 in 3-module configuration.

8851 Specifications

  • Easy-to-use, comprehensive set of mission-critical unified communications features make collaborating simple
  • 5 inch widescreen VGA (800x480 pixel), 24-bit color
  • High-quality HD Audio - full-duplex, wideband audio and superior echo cancellation
  • Headset port
  • Bluetooth 3.0 Enhanced
  • Line and Feature Set standard 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
  • Dual 10/100/1000 Gigabit Ethernet and 802.3af/at Power over Ethernet
  • Analog headset jack is a standard wideband-capable RJ-9 audio port
  • Side USB port for device mobile charging
  • Phone Book Access Profile (PBAP) is supported for phone book object exchange between devices
  • Includes a black bezel; an optional silver bezel is also orderable separately.
  • Integrates telephony features with your personal mobile devices using Cisco Intelligent Proximity for Mobile Voice
  • Optional Cisco IP Phone CP 8800 Key Expansion Module expandable
  • 2 positional desk base/stand included
  • Wall mountable (sold separately)
Brand Manufacturer:
Cisco Canada
Product Code:
Equipment Use Type:


Yes - HD (High Definition)
LCD Screen:
5 inch LCD colour
Programmable softkeys - VMPKs:
Extension Module Expansion:
Yes - daisy-chain up to 3 (CP8800's)
Gigabyte - 10 100 1000 Network:
Yes - 2 Dual Gigabit - 1 LAN + 1 PC Bridge Port
PoE - Power Over Ethernet:
BlueTooth Integrated:
HD Audio:
HeadSet Support:
Yes - USB - BlueTooth - RJ9
USB Port:
Box Contains:
IP phone - handset and cord - base stand - network cable - installation guide
Base Stand Included:
Yes - 2 angle positions available
Wall Mount Included:
No - Sold Separately


Line Capacity:
SIP Accounts Supported:
Multilanguage Support:
Conference Calling Support:
Yes - 3 way audio
Encryption: Standard - TLS - SRTP:


Call Forwarding:
Call Log - Redial:
Call Park:
Call Pick-up:
Call Transfer:
Call Waiting:
Downloadable PhoneBook (XML - LDAP):
Flexible dial plan:
Hot Desking:
Message Waiting Indicator:
Off-Hook Auto-dial:
Personalize Ring Tones:
Server Redundancy and Fail-over:
Volume Up - Volume Down:
XML Context SoftKeys: