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.
Figure 1 shows the appearance of the CP-8811-K9.
Table 1 shows the Quick Spec.
| Product Code | CP-8811-K9 |
| Display | 5’’ (800×480) monochrome display with white backlight |
| Ethernet Switch | 10/100/1000 |
| Programmable Line Keys | 4 |
| Number of Line Keys | 5 |
| Full Duplex Speakerphone | Yes |
| Wideband Audio | Yes |
| PoE Classification | Class 2 |
| Third-party Call Control | Yes |
| Replaceable Bezel | Yes (Black, Silver) |
| Wall Mountable | Yes |
Figure 2 shows the buttons and hardware.
Note:
① Handset light strip ② Programmable feature buttons and Session buttons ③ Phone screen ④ Softkey buttons ⑤ Navigation cluster and Select button
⑥ Release Button ⑦ Transfer button ⑧ Hold/Resume button ⑨ Conference button ⑩ Speakerphone button Mute button Headset button
Keypad Volume button Applications button Messages button Contacts button Back button Handset
Table 2 shows the comparison of Cisco IP Phone 8811, 8831, 8841 and 8851.
| Model | CP-8811-K9 | CP-8831-K9 | CP-8841-K9 | CP-8851-K9 |
| Ethernet Switch | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 |
| Programmable Line Keys | 4 | 4 | 4 | 4 |
| Number of Line Keys | 5 | 1 | 5 | 5 |
| Full Duplex Speakerphone | Yes | Yes | Yes | Yes |
| Wideband Audio | Yes | Yes | Yes | Yes |
| PoE Classification | Class 2 | Class 3 | Class 2 | Class 3 |
| Bluetooth / DECT | No | DECT (mics) | No | Bluetooth |
| Third-party Call Control | Yes | Yes | Yes | Yes |
| Replaceable Bezel | Yes (Black, Silver) | No | Yes (Black, Silver) | Yes (Black, Silver) |
| Wall Mountable | Yes | No | Yes | Yes |
