The Cisco IP Phone 7811 delivers advanced IP Telephone features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communication experience on Cisco on-premises, hosted infrastructure platforms and third party hosted call control. It supports one line (available in charcoal only).
| 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 |