Brand: Cisco · SKU: CP-7811-K9 · MPN: CP-7811-K9 · Category: Components
The Cisco IP Phone 7811 is a cost-effective, single-line IP phone delivering advanced IP Telephony features and crystal-clear wideband audio performance (with optional handset) for an easy-to-use, full-featured voice communications experience. It supports Cisco on-premises and hosted infrastructure platforms, as well as third-party hosted call control. It features a 3.28-inch monochrome, non-backlit grayscale display (384 x 106 pixels), a built-in full-duplex speakerphone (narrowband), and an integrated 10/100 Ethernet switch with two RJ-45 ports (one for LAN, one for a downstream PC). The phone is PoE Class 1 (IEEE 802.3af) compatible and uses Polycarbonate Acrylonitrile Butadiene Styrene (ABS) textured plastic for its casing. It is ideal for light communication needs in areas like lobbies, cafeterias, or small office desks. It supports SIP signaling protocol and codecs like G.711a/?, G.722, G.729a, and iLBC.
| PoE Class | Class 1 (IEEE 802.3af) |
|---|---|
| Display Size | 3.28 inches |
| Display Type | Monochrome, Grayscale, Non-backlit |
| Speakerphone | Yes (narrowband, full duplex) |
| Wideband Audio | Optional (with purchase of wideband handset) |
| Ethernet Switch | 10/100BASE-T (Dual Ports) |
| Lines Supported | 1 |
| Security Features | TLS and SRTP encryption, 802.1X authentication, secure boot |
| Casing Composition | Polycarbonate ABS textured plastic |
| Display Resolution | 384 x 106 pixels |
| Call Control Support | Cisco on-premises, hosted, and third-party SIP platforms |
| Programmable Line Keys | 0 |
| Warranty | 1 Year (for some SKUs) |
| Weight | 806g |
| Dimensions | 207 x 195 x 33mm (exclude foot stand) |
The Cisco IP Phone 7811 is a cost-effective, single-line VoIP desk phone designed for light-to-occasional communications needs. It provides a traditional telephony-like user experience with high-fidelity audio and essential features, all within an attractive, ergonomic design. Key features include a 3.28" grayscale display, a 10/100 integrated switch to reduce cabling, and PoE Class 1 support for simple installation. It is optimized for use with SIP platforms.
Yes, this Cisco IP Phone 7811 (CP-7811-K9) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco IP Phone 7811 includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the CP-7811-K9.