🗹 Supports Webex Calling
🗹 3.28" Graphical Display
🗹 384 x 106 Pixel Resolution
🗹 Supports Wideband Audio
🗹 Full-Duplex Speakerphone
🗹 2-Port Cisco Ethernet Switch
🗹 Gigabit BASE-T Ethernet Network
🗹 RJ-9 Headset Port
🗹 Wall Mount Option
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The Cisco 7811 IP Phone (CP-7811-K9) is an entry-level VoIP phone built for business communication that is both cost-effective and reliable. The Cisco 7811 is suited for occasional to light communication in lobbies, cafeterias, and conference rooms. It has a 3.28-inch grayscale display, single-line support, and a full-duplex loudspeaker for smooth hands-free communication. The 7811 provides a smooth communication experience for small and large companies by supporting SIP protocols and integrating with Cisco's networking capabilities.
• 3.28-inch 384x106 pixel greyscale display for easy menu navigation
• Single-line support for straightforward call management
• Full-duplex speakerphone for hands-free conversations
• SIP protocol compatibility for flexible VoIP integration
• Dual 10/100 Ethernet ports with PC pass-through for efficient connectivity
• Power over Ethernet (PoE) support (Class 1) for simplified installation
• Advanced audio codecs including G.711a/μ, G.722, G.729a, and iLBC
• Quality of Service (QoS) features with CDP and 802.1p/Q support
• Energy-efficient design with power consumption under 3.84 watts
• Wall-mountable with optional kit for versatile deployment
• Hearing Aid Compatible (HAC) handset for accessibility
• Secure communication with TLS and SRTP encryption
• Compatibility with Cisco Unified Communications Manager and Webex Calling
• Easy-to-use fixed function keys for common tasks
• Multilingual support for diverse work environments
| Manufacturer | Cisco |
| Manufacturer Part Number | CP-7811-K9 |
| Product Name | Cisco 7811 IP Phone |
| Product Type | VoIP phone |
| Compatible Platforms | Cisco Business Edition 6000 |
| Body Material | PC/ABS |
| Call Services | Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability |
| Dialer Type | Keypad |
| Dialer Location | Base |
| Conference Call Capability | Yes |
| Speakerphone | Yes (digital duplex) |
| Menu Operation | Yes |
| Indicators | Voice message waiting indicator, speakerphone indicator |
| Firmware Upgradable | Yes |
| Additional Functions | Call timer |
| Additional Features | Music on hold |
| Main Features | Multiple VoIP protocol support, integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP, SRTP |
| Voice Codecs | G.722, G.729a, G.711u, G.711a, iLBC |
| Quality of Service | IEEE 802.1Q (VLAN), IEEE 802.1p |
| IP Address Assignment | DHCP, static |
| Security | 128-bit AES, 256-bit AES, IEEE 802.1X, TLS |
| Power Over Ethernet (PoE) Support | Yes |
| Network Protocols | Cisco Discovery Protocol (CDP), SRTP |
| Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX |
| Display Type | LCD display - monochrome |
| Display Location | Base |
| Diagonal Size | 3.28" |
| Display Resolution | 384 x 106 pixels |