{"id":11663,"date":"2025-09-29T11:25:22","date_gmt":"2025-09-29T11:25:22","guid":{"rendered":"https:\/\/greencode.ge\/?post_type=product&p=11663"},"modified":"2025-09-29T11:25:22","modified_gmt":"2025-09-29T11:25:22","slug":"cisco-cp-8811-k9-ip-phone-2","status":"publish","type":"product","link":"https:\/\/greencode.ge\/en\/product\/cisco-cp-8811-k9-ip-phone-2\/","title":{"rendered":"Cisco CP-8811-K9 IP Phone"},"content":{"rendered":"

Check Cisco All IP Phones<\/span><\/p>\n

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Cisco provides 7800, 8800 and more IP Phones for all-size business needs.<\/div>\n
\u2022 7800 IP Phone\u00a0\u00a0\u00a0\u00a0\u2022 8800 IP Phone<\/div>\n<\/div>\n
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Cisco CP-8811-K9 integrates 5 inches high-resolution widescreen backlit grayscale display, localized language support to meet the needs of global users, the five programmable line keys can be configured to support multiple directory numbers and various calling features,the fixed function keys allow you one-touch access to applications, messaging, directory and conference. Backlit acoustic keys provide flexibility for audio path selection and switching.<\/p>\n

Quick Specs<\/strong><\/h3>\n

Table 1 shows the Quick Spec.<\/strong><\/p>\n<\/div>\n<\/div>\n

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\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Product Code<\/strong><\/td>\nCP-8811-K9<\/td>\n<\/tr>\n
Display<\/strong><\/td>\n5\u2019\u2019 (800\u00d7480) monochrome display with white backlight<\/td>\n<\/tr>\n
Ethernet Switch<\/strong><\/td>\n10\/100\/1000<\/td>\n<\/tr>\n
Programmable Line Keys<\/strong><\/td>\n4<\/td>\n<\/tr>\n
Number of Line Keys<\/strong><\/td>\n5<\/td>\n<\/tr>\n
Full Duplex Speakerphone<\/strong><\/td>\nYes<\/td>\n<\/tr>\n
Wideband Audio<\/strong><\/td>\nYes<\/td>\n<\/tr>\n
PoE Classification<\/strong><\/td>\nClass 2<\/td>\n<\/tr>\n
Third-party Call Control<\/strong><\/td>\nYes<\/td>\n<\/tr>\n
Replaceable Bezel<\/strong><\/td>\nYes (Black, Silver)<\/td>\n<\/tr>\n
Wall Mountable<\/strong><\/td>\nYes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Product Details<\/strong><\/h3>\n

Note:<\/span><\/p>\n<\/div>\n<\/div>\n

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\u2460\u00a0Handset light strip \u00a0 \u00a0 \u00a0\u2461\u00a0Programmable feature\u00a0buttons and Session\u00a0buttons \u00a0 \u00a0 \u00a0\u2462\u00a0Phone screen \u00a0 \u00a0 \u00a0\u2463\u00a0Softkey buttons \u00a0 \u00a0 \u00a0\u2464\u00a0Navigation cluster and Select button<\/p>\n

\u2465\u00a0Release Button \u00a0 \u00a0 \u00a0\u2466\u00a0Transfer button \u00a0 \u00a0 \u00a0\u2467\u00a0Hold\/Resume button \u00a0 \u00a0 \u00a0\u2468\u00a0Conference button \u00a0 \u00a0 \u00a0\u2469\u00a0Speakerphone button \u00a0 \u00a0 \u00a0\u246a\u00a0Mute button \u00a0 \u00a0 \u00a0\u246b\u00a0Headset button<\/p>\n

\u246c\u00a0Keypad \u00a0 \u00a0 \u00a0\u246d\u00a0Volume button \u00a0 \u00a0 \u00a0\u246e\u00a0Applications button \u00a0 \u00a0 \u00a0\u246f\u00a0Messages button \u00a0 \u00a0 \u00a0\u2470\u00a0Contacts button \u00a0 \u00a0 \u00a0\u2471\u00a0Back button \u00a0 \u00a0 \u00a0\u2472\u00a0Handset<\/p>\n

Compare to Similar Items<\/strong><\/h3>\n

Table 2 shows the comparison of Cisco IP Phone 8811, 8831, 8841 and 8851.<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/strong><\/td>\nCP-8811-K9<\/td>\nCP-8831-K9<\/td>\nCP-8841-K9<\/td>\nCP-8851-K9<\/td>\n<\/tr>\n
Ethernet Switch<\/strong><\/td>\n10\/100\/1000<\/td>\n10\/100<\/td>\n10\/100\/1000<\/td>\n10\/100\/1000<\/td>\n<\/tr>\n
Programmable Line Keys<\/strong><\/td>\n4<\/td>\n4<\/td>\n4<\/td>\n4<\/td>\n<\/tr>\n
Number of Line Keys<\/strong><\/td>\n5<\/td>\n1<\/td>\n5<\/td>\n5<\/td>\n<\/tr>\n
Full Duplex Speakerphone<\/strong><\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\n<\/tr>\n
Wideband Audio<\/strong><\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\n<\/tr>\n
PoE Classification<\/strong><\/td>\nClass 2<\/td>\nClass 3<\/td>\nClass 2<\/td>\nClass 3<\/td>\n<\/tr>\n
Bluetooth \/ DECT<\/strong><\/td>\nNo<\/td>\nDECT (mics)<\/td>\nNo<\/td>\nBluetooth<\/td>\n<\/tr>\n
Third-party Call Control<\/strong><\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\n<\/tr>\n
Replaceable Bezel<\/strong><\/td>\nYes (Black, Silver)<\/td>\nNo<\/td>\nYes (Black, Silver)<\/td>\nYes (Black, Silver)<\/td>\n<\/tr>\n
Wall Mountable<\/strong><\/td>\nYes<\/td>\nNo<\/td>\nYes<\/td>\nYes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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CP-8811-K9<\/span>\u00a0Specification<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
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CP-8811-K9 Specifications<\/strong><\/h3>\n<\/td>\n<\/tr>\n

Audio codec support<\/strong><\/td>\n\n
    \n
  • G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Call features<\/strong><\/td>\n\n
    \n
  • + Dialing<\/li>\n
  • Abbreviated dialing<\/li>\n
  • Adjustable ring tones and volume levels<\/li>\n
  • Adjustable display brightness<\/li>\n
  • Agent greeting<\/li>\n
  • Auto-answer<\/li>\n
  • Auto-detection of headset<\/li>\n
  • cBarge<\/li>\n
  • Busy Lamp Field (BLF)<\/li>\n
  • Busy Lamp Field (BLF) Pickup<\/li>\n
  • Busy Lamp Field (BLF) speed dial<\/li>\n
  • Callback<\/li>\n
  • Call forward<\/li>\n
  • Call forward notification<\/li>\n
  • Call filter<\/li>\n
  • Call history lists<\/li>\n
  • Call park<\/li>\n
  • Call pickup<\/li>\n
  • Call timer<\/li>\n
  • Call waiting<\/li>\n
  • Call chaperone<\/li>\n
  • Caller ID<\/li>\n
  • Corporate directory<\/li>\n
  • Conference, including traditional Join feature<\/li>\n
  • Cross Cluster Extension Mobility (EMCC)<\/li>\n
  • Direct transfer<\/li>\n
  • Extension mobility<\/li>\n
  • Fast-dial service<\/li>\n
  • Forced access codes and client matter codes<\/li>\n
  • Group call pickup<\/li>\n
  • Hold<\/li>\n
  • Intercom<\/li>\n
  • Immediate divert<\/li>\n
  • Malicious-caller ID<\/li>\n
  • Message-waiting indicator (MWI)<\/li>\n
  • Meet-me conference<\/li>\n
  • Mobility<\/li>\n
  • Music on hold (MoH)<\/li>\n
  • Mute<\/li>\n
  • Network profiles (automatic)<\/li>\n
  • On- and off-network distinctive ringing<\/li>\n
  • Personal directory<\/li>\n
  • PickUp<\/li>\n
  • Predialing before sending<\/li>\n
  • Privacy<\/li>\n
  • Private Line Automated Ringdown (PLAR)<\/li>\n
  • Redial<\/li>\n
  • Ring tone per line appearance<\/li>\n
  • Service Uniform Resource Locator (URL)<\/li>\n
  • Shared line<\/li>\n
  • Silent monitoring and recording<\/li>\n
  • Speed dial<\/li>\n
  • Time and date display<\/li>\n
  • Transfer<\/li>\n
  • Uniform Resource Identifier (URI) dialing<\/li>\n
  • Visual voice mail<\/li>\n
  • Voice mail<\/li>\n
  • Whisper coaching<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Electronic hookswitch<\/strong><\/td>\n\n
    \n
  • You can control the hookswitch electronically with a third-party headset connected to an auxiliary port.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Quality-of-service (QoS) options<\/strong><\/td>\n\n
    \n
  • 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.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Network features<\/strong><\/td>\n\n
    \n
  • Session Initiation Protocol (SIP) for signaling<\/li>\n
  • Session Description Protocol (SDP)<\/li>\n
  • IPv4 and IPv6<\/li>\n
  • User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams)<\/li>\n
  • Dynamic Host Configuration Protocol (DHCP) client or static configuration<\/li>\n
  • Gratuitous Address Resolution Protocol (GARP)<\/li>\n
  • Domain Name System (DNS)<\/li>\n
  • Trivial File Transfer Protocol (TFTP)<\/li>\n
  • Secure Hypertext Transfer Protocol (HTTPS)<\/li>\n
  • VLAN<\/li>\n
  • Real-Time Transport Protocol (RTP)<\/li>\n
  • Real-Time Control Protocol (RTCP)<\/li>\n
  • Cisco Peer-to-Peer Distribution Protocol (PPDP)<\/li>\n
  • Cisco Discovery Protocol<\/li>\n
  • LLDP (including LLDP-MED)<\/li>\n
  • Switch speed auto-negotiation<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Security features<\/strong><\/td>\n\n
    \n
  • Secure boot<\/li>\n
  • Secure credential storage<\/li>\n
  • Device authentication<\/li>\n
  • Configuration file authentication and encryption<\/li>\n
  • Image authentication<\/li>\n
  • Random bit generation<\/li>\n
  • Hardware cryptographic acceleration<\/li>\n
  • Certificate Authority Proxy Function (CAPF)<\/li>\n
  • Manufacturer-Installed Certificates (MIC)<\/li>\n
  • Locally Significant Certificates (LSC)<\/li>\n
  • Ethernet 802.1x supplicant options:\u00a0Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and\u00a0Extensible Authentication Protocol-Transport Layer Security (EAP-TLS)<\/li>\n
  • Signaling authentication and encryption using TLS<\/li>\n
  • Media\u00a0authentication and encryption using SRTP<\/li>\n
  • HTTPS for client and server<\/li>\n
  • Secure Shell (SSH) Protocol server<\/li>\n
  • Secure Sockets Layer (SSL)-based VPN client<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Physical dimensions
\n(H \u00d7 W \u00d7 D)<\/strong><\/td>\n		\n
    \n
  • 9.02 x 10.13 x 1.57 in. (229.1 x 257.34 x 40 mm)
    \n(excluding foot stand)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Weight (with handset)<\/strong><\/td>\n\n
    \n
  • 2.58 lb (1.17 kg)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Phone-casing composition<\/strong><\/td>\n\n
    \n
  • Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Operational temperature<\/strong><\/td>\n\n
    \n
  • 32 to 104\u00b0F (0 to 40\u00b0C)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Nonoperational temperature shock<\/strong><\/td>\n\n
    \n
  • 14 to 140\u00b0F (-10 to 60\u00b0C)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Humidity<\/strong><\/td>\n\n
    \n
  • Operating 10 to 90%, noncondensing<\/li>\n
  • Nonoperating 10 to 95%, noncondensing<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Language support<\/strong><\/td>\n\n
    \n
  • Arabic (Arabic Area)<\/li>\n
  • Bulgarian (Bulgaria)<\/li>\n
  • Catalan (Spain)<\/li>\n
  • Chinese (China)<\/li>\n
  • Chinese (Hong Kong)<\/li>\n
  • Chinese (Taiwan)<\/li>\n
  • Croatian (Croatia)<\/li>\n
  • Czech (Czech Republic)<\/li>\n
  • Danish (Denmark)<\/li>\n
  • Dutch (Netherlands)<\/li>\n
  • English (United Kingdom)<\/li>\n
  • Estonian (Estonia)<\/li>\n
  • French (France)<\/li>\n
  • French (Canada)<\/li>\n
  • Finnish (Finland)<\/li>\n
  • German (Germany)<\/li>\n
  • Greek (Greece)<\/li>\n
  • Hebrew (Israel)<\/li>\n
  • Hungarian (Hungary)<\/li>\n
  • Italian (Italy)<\/li>\n
  • Japanese (Japan)<\/li>\n
  • Latvian (Latvia)<\/li>\n
  • Lithuanian (Lithuania)<\/li>\n
  • Korean (Korea Republic)<\/li>\n
  • Norwegian (Norway)<\/li>\n
  • Polish (Poland)<\/li>\n
  • Portuguese (Portugal)<\/li>\n
  • Portuguese (Brazil)<\/li>\n
  • Romanian (Romania)<\/li>\n
  • Russian (Russian Federation)<\/li>\n
  • Spanish (Columbia)<\/li>\n
  • Spanish (Spain)<\/li>\n
  • Slovak (Slovakia)<\/li>\n
  • Swedish (Sweden)<\/li>\n
  • Serbian (Republic of Serbia)<\/li>\n
  • Serbian (Republic of Montenegro)<\/li>\n
  • Slovenian (Slovenia)<\/li>\n
  • Thai (Thailand)<\/li>\n
  • Turkish (Turkey)<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    <\/div>\n
    \n
    <\/div>\n<\/div>\n

     <\/p>","protected":false},"excerpt":{"rendered":"\n\n\n\n
    Model:<\/td>\nCP-8811-K9 Cisco 8800 IP Phone<\/td>\n<\/tr>\n
    Detail:<\/td>\nCisco IP Phone CP-8811-K9, widescreen grayscale display, \u00a0High-quality Voice Communication, easy to use, cisco EnergyWise, cost-effective<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":53484,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[75],"product_tag":[],"class_list":{"0":"post-11663","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cisco-8800-ip-phone","8":"first","9":"instock","10":"sale","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product\/11663","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/comments?post=11663"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/media\/53484"}],"wp:attachment":[{"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/media?parent=11663"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product_brand?post=11663"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product_cat?post=11663"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/greencode.ge\/en\/wp-json\/wp\/v2\/product_tag?post=11663"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}