The Cisco 7811 IP Phone with Multiplatform Firmware is a cost-effective, professional-grade VoIP phone designed for everyday business use. With its sleek and durable design, the 7811 delivers reliable voice communication for offices, reception areas, retail environments, and shared workspaces.
This multiplatform model runs on open SIP firmware, making it compatible with a wide range of third-party VoIP platforms, such as Asterisk, Broadsoft, and other SIP-based systems. Equipped with a 3.28-inch high-resolution monochrome display, PoE support, and a single SIP line, the Cisco 7811 is optimized for users who require essential call functions without unnecessary complexity.
Perfect for deployment in high-volume environments, the Cisco 7811 ensures excellent audio clarity through wideband audio and provides secure, encrypted communication for peace of mind. Its multiplatform firmware makes it especially versatile for system integrators and businesses seeking compatibility beyond Cisco Unified Communications Manager (CUCM).
Technical Features
Display: 3.28-inch (384×106) monochrome display
SIP Accounts: 1 SIP line
Audio: Wideband audio, G.722 codec, full-duplex speakerphone
Network: Single 10/100 Ethernet port
PoE: IEEE 802.3af Class 1 PoE
Firmware: Multiplatform SIP firmware (non-CUCM)
Provisioning: Auto-provisioning via XML, TFTP, HTTP/HTTPS
Headset Support: RJ9 headset jack
Mounting: Desk stand and optional wall mount
Security: SRTP, TLS, secure boot, 802.1x
Power Supply: Optional external power adapter (sold separately)





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