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Cisco 8811 SIP Phone

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Cisco 8811 SIP Phone

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Cisco 8811 SIP Phone

The Cisco 8811 is an entry-level SIP Phone equipped with 5 programmable line keys. It features a large 5-Inch grayscale display, dual Gigabit Ethernet ports, Wideband audio, handsfree speakerphone, and support for corded/cordless headsets. This device is PoE ready, though a PSU (sold separately) is necessary for non-PoE environments. Note: It is part of Cisco's Multiplatform series and is not compatible with Cisco Call Manager.

Product Info

This Multiplatform Phone Firmware Enables the 8800 Series to Work With Third-Party Call Control Systems.

Partners who provide telephony and video solutions to their customers can use specialized firmware on Cisco® IP Phone 8800 Series. While this firmware is not the same as that designed for Cisco's own control systems, they contain many shared components.

The Cisco 8811 supports five programmable line keys, which you can configure to support either multiple directory numbers or calling features such as speed dial / BLF.

**Phones Ordered as Multiplatform Phones do not Work with Cisco Call Control**


  • 5" High Resolution Grayscale Display (800x480 Pixel)
  • 5 SIP Accounts (5 Programmable Line Keys)
  • Handsfree Talking (Speakerphone)
  • Wideband Audio (G.722)
  • Wall Mountable (Optional Wall Mount Kit Available)
  • Hearing Aid Compatible (HAC) Handset
  • 2x 10/100/1000 Gigabit Ethernet Switch
  • Headset Support - Support For Wireless EHS Headsets (Requires EHS Adaptor)
  • PoE IEEE 802.3af/at Class 2 Compliant (PSU Available Separately)


  • Codecs: G.711 (A-law and -law), G.722.2, G.722, G.729ab, ILBC, iSAC, Opus
  • DTMF - In-Band, Out-of-Band (RFC 2833) and SIP INFO


  • MAC Address (IEEE 802.3)
  • SIP Protocol (RFC3261) and Companion RFCs)
  • IPv4 (RFC 791)
  • DNS - A Record (RFC 1706), DRV Record (RFC 2782)
  • Dynamic Host Configuration Protocol (DHCP) (RFC 2131)
  • Simple Network Time Protocol (SNTP) (RFC 2030)
  • NAT Traversal, STUN
  • Link Layer Discovery Protocol (LLDP)
  • Cisco Discovery Protocol (CDP)


  • 802.1x Authentication
  • Media Encryption Via SRTP
  • Transport Layer Security (TLS)
  • Encrypted Configuration Files
  • Digest Authentication
  • Password Login
  • HTTPs Secure Provisioning


  • Cisco XML Services Interface (XSI)

Call Control and Audio Features

  • Busy Lamp Field
  • Call Back on Busy
  • Call Blocking - Anonymous and Selective
  • Call Conferencing - Hosted (N-Party)
  • Call Conferencing - Local 3 Way
  • Call Forwarding - Unconditional, No Answer, On Busy
  • Call Hold
  • Call Pickup - Selective and Group
  • Call Park and Unpark
  • Call Transfer - Attended or Blind
  • Call Waiting
  • Caller ID, Name and Number and Outbound Caller ID Blocking
  • Caller ID Mapping for Incoming Calls
  • Configurable Dial/Numbering Plan Support with Inter-Digit Timers - Per Line
  • Configurable Supplementary Services Soft Keys
  • Distinctive Ringing Based on Calling and Called Number
  • Do Not Disturb
  • Extension Mobility/Hot Desking
  • Group Paging
  • Hoteling
  • Intercom
  • Individual Volume Setting Per Audio Path (Headset/Handset/Speaker)
  • Multicast Paging
  • Music on Hold
  • Outbound Caller ID Blocking
  • Visual Voice Message Waiting Indicator (VMWI)
  • Shared/Bridge Line Appearance
  • Supplementary Service Feature Activation Codes


  • Local Phonebook
  • XML/LDAP Remote Directory
  • Broadsoft Directory
  • Intelligent Search
  • Call History


  • Configuration - Browser/Phone/Auto Provision
  • Auto Provision Via TFTP/HTTP/HTTPs for Mass Deployment
  • Problem Reporting Tool (PRT)

In The Box

  • Cisco CP-8811 Phone
  • Handset
  • Curly Cord
  • Desktop Stand
  • Network Cable



If your type of device is mentioned in the text as compatible then it will without issue. All orders are double checked against the device & if we find anything that isnt 100% compatible we will tell you by phone and recommend the correct alternative.

Exactly what it says, if the goods you receive fail to please you in any way, please return them within 7 working days where we will provide a prompt and full refund and or offer you alternative products wherever possible. Goods must be returned in all original packaging, undamaged and in a resalable condition.

Yes, enter in the amount of headsets you require and your new discounted price will be shown. Discounts start at 4 units and go up from there. If you are a corporate customer who require large numbers 100+, then please telephone our corporate and contact centre team on 0161 830 6818

If you are intending to purchase several headsets (min 4+) Visit the free trial page here or telephone us on 0800 644 0424 or email and we will do the rest

Yes, next day delivery is free for purchases over £100 and is based on the working day (Mon-Fri) Orders must be received by 3pm to qualify. (except friday where the goods will be delivered the following Monday)

30 Day No quibble returns

Not happy with your product, just return it in a resaleable condition within 30 days for a full refund

Free Trials Available

Looking to purchase 4+ headsets? Why not try before you buy here

Next Working Day Delivery

Super quick & secure delivery by courier on a next working day service.