Cisco 8851-K9 IP Phone

This phone delivers exceptional audio quality with wideband audio support and HD voice clarity, ensuring clear and natural conversations. The full-duplex speakerphone with acoustic echo cancellation allows for hands-free calling without sacrificing audio quality. The phone also supports high-definition audio via the handset and can be used with wired headsets through the RJ-9 headset port or with Bluetooth wireless headsets via an optional adapter.

The Cisco 8851-K9 offers flexible and fast connectivity with dual Gigabit Ethernet ports (10/100/1000 Mbps) for both LAN and PC pass-through, and it supports Power over Ethernet (PoE) for easier installation by eliminating the need for a separate power supply. If PoE is not available, an optional external power adapter can be used.

For functionality, the phone features 5 programmable line keys, 5 context-sensitive soft keys, and fixed keys for essential functions like hold, transfer, conference, and voicemail. It supports multiple lines and call appearances, making it suitable for professionals handling multiple calls at once. The phone also includes a visual voicemail indicator for easy message management.

Designed with security in mind, the Cisco 8851-K9 supports advanced protocols such as TLS for secure signaling, SRTP for encrypted media, and VPN support. It also provides IPv6 and VLAN support for flexible and secure network integration.