Cisco 7811-K9 IP Phone CP-7811-K9
The Cisco 7811-K9 IP Phone CP-7811-K9 delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience on Cisco on-premises and hosted infrastructure platforms and third party hosted call control. It supports one line (available in charcoal only).
Quick Specs
Figure 1 shows the appearance of the CP-7811-K9.
Table 1 shows the Quick Spec.
| Product Code | CP-7811-K9 |
| Screen | 384 x 106 pixel (3.28 in. / 83.3 mm) |
| Ethernet Switch | 10/100 |
| Programmable Line Keys | 0 |
| Number of Line Keys | 0 |
| Full Duplex Speakerphone | Yes (narrowband) |
| Wideband Audio | Optional* |
| PoE Class | 1 |
| Third-party Call Control | Yes |
| Replaceable Bezel | No |
* IP Phone 7811 offers wideband audio with purchase of a wideband handset.
Product Details
Before you use the Cisco IP Phone 7811, it should be connected to the corporate IP telephony network.
Figure 2 shows the bottom ports of this IP Phone.
Note:
| Number | Description |
| â‘ | AC power wall plug (optional) |
| â‘¡ | Network port (10/100 SW) connection. IEEE 802.3af power enabled. |
| â‘¢ | Access port (10/100 PC) connection. |
| â‘£ | Handset connection. |
Figure 3 shows the buttons and hardware.
Note:
| Number | Buttons | Number | Buttons |
| ①| Handset light strip | ⑨ | Mute button |
| â‘¡ | Phone screen | â‘© | Keypad |
| ③ | Softkey buttons | ⑪ | Volume button |
| â‘£ | Navigation and Select button | â‘« | Contacts button |
| ⑤ | Hold/Resume button | ⑬ | Applications button |
| â‘¥ | Conference button | â‘ | Messages button |
| ⑦ | Transfer button | ⑮ | Handset |
| ⑧ | Speakerphone button | ||
Compare to Similar Items
Table 2 shows the comparison of Cisco IP Phone 7811, 7821, 7841 and 7861.
| Model | CP-7811-K9 | CP-7821-K9 | CP-7841-K9 | CP-7861-K9 |
| Ethernet switch | 10/100 | 10/100 | 10/100/1000 | 10/100 |
| Programable line keys | 0 | 2 | 4 | 16 |
| Number of Line Keys | 0 | 2 | 4 | 16 |
| Full duplex speakerphone | Yes (narrowband) | Yes | Yes | Yes |
| PoE Class | 1 | 1 | 1 | 1 |
| Third-party call control | Planned | Yes | Yes | Yes |
| Replaceable bezel | N/A | Yes | Yes | Yes |
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