Cisco IP Phone 8811, Black

MX80823 IP Phone 8811, Black
MX80823 IP Phone 8811, Black

Product Info

Voice Communications That Boost Productivity

Get highly secure, easy-to use, high-quality wideband audio, and comprehensive, mission-critical VoIP communications. The Cisco IP Phone 8811 is ideal for knowledge workers and remote workers across industries and businesses of all sizes. It can be deployed on Cisco on-premises, hosted, Webex Calling, and third-party call control offer flexible deployment options*.


An Enhanced User Experience

The IP Phone 8811 offers easy-to-use, comprehensive set of mission-critical unified communications features to make collaborating simple.

Key feature benefits include:

  • High-quality, full duplex wideband audio and superior echo cancellation for exceptional clarity
  • High-resolution, five-inch, widescreen grayscale display makes it easier to recognize calls and see status information
  • Five-way navigation cluster and four context-sensitive soft keys make interactions more efficient
  • Choice of headsets from Cisco third-party vendor partners offer flexibility**

Easier, More Cost-Effective Administration

  • Flexible deployment options include Cisco on-premises, hosted, and Webex Calling.
  • Cisco Expressway gives remote workers single sign-on access without a VPN client
  • Cisco EnergyWise reduces energy cost and carbon footprint in off-work hours
  • Gigabit Ethernet and 802.3af/at Power over Ethernet reduce installation and infrastructure costs
  • Cisco Webex Phone OS consolidates administration with common software to both IP Phone 8800 Series and IP Phone 7800 Series

*Telephony features may vary by vendor platform. Contact your Cisco representative for supported platforms.
** Consult your preferred third-party headset vendor for compatible headsets on the IP Phone 8811.


The Cisco IP Phone 8811 requires an Enhanced User Connect License (UCL) in order to connect to Cisco Unified Communications Manager.


Device Type IP Phone
Graphical display 5-inch widescreen VGA (800x480 pixel), 24-bit grayscale
Handset Standard wideband-capable audio handset
Standard wideband-capable RJ-9 audio port.
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)
- 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.
Backlit Indicator Audio path keys (handset, headset, and speakerphone), select key, line keys, and message waiting.
Volume control Yes
Full duplex speakerphone Yes
Foot stand Dual-position foot stand (30° & 50°)
Removeable for wall mounting
Wall-mountable Yes, using optional wall-mount kit (sold seperately)
Electronic hook switch Yes via auxiliary port
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
Auxiliary Port Support electronic hookswitch control with a third-party headset connected to it.
Ethernet Port 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.

Security Kensington Security Slot (K-Slot)
PoE IEEE Power over Ethernet class 2. 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).
AC Power Adapter Sold Seperately
Optional Cisco IP Phone Power Cube 4 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)
11.0 and later
Cisco Unified Communications Manager Express (Unified CME) 10.0 and later through fast track
Cisco Business Edition 6000 8.6.2
11.0 and later
Cisco Hosted Collaboration Solution 8.6.2 and later (using supported UCM versions above)
Colour Black
Dimensions 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm) (excluding foot stand)
Weight 2.58 lb (1.17 kg)