The Cisco 6851 is a 4-line Gigabit IP Phone that meets the needs of both information workers and managers who have moderate voice communications requirements. The Cisco 6851 IP Phone leverages your IP network to deliver sophisticated voice communications with excellent audio performance and enhanced security capabilities.
Display: White backlit, grayscale, 3.5-inch, 396 x 162-pixel display.
Call Appearance: Supports up to 4 SIP Accounts
Fixed Feature Buttons: Speakerphone, Headset, Mute, Hold, Transfer, Conference, Messaging, Directory, and Volume Control. Also includes backlit indicators on the audio path keys (handset, headset, and speakerphone), mute key, select key, line keys and message waiting.
Navigation Keys: Two-way navigation with Select Key
Programmable Line/Feature Keys: 4 programmable keys that support either lines (such as directory numbers), or call features (such as speed dialing). Each key is equipped with Dual-Color LED’s for call status.
Softkeys: 4 interactive soft keys that guide users through call features and functions
Button Module Expansion: Supports up to 1 Cisco 6800 Key Expansion Module (see optional accessories above)
Speakerphone: Includes high-quality, 2-way speakerphone
Audio: Supports G.722 Wideband Audio (HD Voice)
Wall-Mountable: Yes, there are wall mounting holes located on the back of the phone.
Ethernet Connectivity: Dual Gigabit Ethernet (10/100/1000) line interface (PC Pass Through & Network Connection)
Bluetooth: Not Available
Wi-Fi: Not Available
USB Ports: Not Available
Headset Port: Includes RJ9 headset port. Also supports Electronic hookswitch headset via auxiliary port.
Message Waiting Indicator: Yes
Adjustable Tilt Display: No
Network: Static or DHCP IP address assignment. FTP/FTPS/TFTP/HTTP/HTTPS server based central provisioning for mass deployments.
Global Support: Uses Icon keys and supports multiple languages.
Supports 802.3af Power-over-ethernet (PoE)
Can also be powered via optional power adapter if PoE is not available on your network (power supply sold separately – see accessories above)
We provide FREE UPS Ground shipping on any online order over $99. For online
orders totaling less than $99, UPS Ground shipping is only $9.95. The offer is
valid in the continental United States.
The vast majority of our orders are shipped the same day as placed. If there is
any significant delay in your order leaving our warehouse, you will be contacted
promptly by our customer service department.
We offer UPS Ground, UPS 3 Day Select, UPS 2 Day Air, UPS Next Day Air Saver,
and UPS Next Day Air.
UPS Ground - 1-5 days depending on delivery distance (see Ground services map
UPS 3 Day Select – by 4:30 p.m. third business day to most US addresses
UPS 2 Day Air - by 4:30 p.m. second business day to most US addresses
UPS Next Day Air Saver - by 4:30 p.m. next business day to most US addresses
UPS Next Day Air - by 10:00 a.m. next business day to most US addresses