Cisco 8851 IP Phone, 5″ WVGA Colour Display, Gigabit Ethernet, PoE, 10 SIP Registrations, Black

Cisco 8851 IP Phone – manage clear, flexible office calls

The Cisco 8851 IP Phone suits offices that need a desk phone with clear call controls and support for multiple SIP registrations. Its 5-inch colour display and speakerphone help make everyday calling easier to manage.

Essential specifications at a glance

Handle calls without losing sight of key information

The colour display shows call information on a 5-inch screen. Physical keypad controls include backlighting, while digital volume control makes it simple to adjust listening levels. Also, caller ID, call waiting, hold, transfer, forwarding and pickup support common office call handling.

The phone supports up to 10 SIP registrations. This gives teams a way to manage multiple registrations from one handset, provided their voice service supports them.

Connect through your office network

Two Ethernet ports support Gigabit Ethernet, and PoE can simplify installation where the network setup supplies power. The phone also has a DC-in jack. It supports QoS, DHCP and VLAN, which can help it fit into a managed office network.

Bluetooth and USB provide additional connection options. The phone has a wired handset, speakerphone and microphone mute, so users can choose how to handle calls.

Designed for secure, practical use

The Cisco 8851 supports security protocols including HTTPS, SIPS, SSH and SSL/TLS. It also supports EAP-FAST and EAP-TLS authentication. A device lock adds another practical safeguard for shared workspaces.

The black phone can sit on a desk or be wall-mounted. It is not a touchscreen model, so users operate it with the keypad and call controls.

Check your setup before ordering

• Confirm your telephone service supports SIP and the registrations you plan to use.
• Check that your network has an available Ethernet connection and supports your intended PoE setup.
• Confirm whether desk placement or wall mounting suits your workspace.
• Check that your preferred connection method works with the phone’s Bluetooth, USB or RJ-9 ports.

Frequently Asked Questions

Q: How many SIP registrations does the phone support?

A: It supports up to 10 SIP registrations.

Q: Does it have a touchscreen?

A: No. It has a 5-inch, 800 × 480 colour display with keypad controls.

Q: Can it use Power over Ethernet?

A: Yes. It supports PoE and also has a DC-in jack.

Q: Can it be wall-mounted?

A: Yes. The phone supports both desk and wall mounting.

A fit for SIP-based office calling

Choose the Cisco 8851 IP Phone for a wired desk phone with a colour display, Gigabit Ethernet and support for up to 10 SIP registrations. It suits offices that want practical call handling and flexible network connections.