The Cisco IP Phone 6800 Key Expansion Module (KEM) extends the capabilities of the Cisco IP Phone 6851 with additional buttons. This module adds 14 physical buttons along with access to 14 additional buttons via the page buttons, for a total of 28 buttons. The KEM supports the Programmable Line Key (PLK) function, but does not support any SIP registrations. Calls may be monitored and answered using the PLK function, but calls may not initiated from the KEM. The 6851 IP phone supports 1 KEM only. The 6800 KEM comes with a foot stand and cable to connect it directly to the base device in a traditional side-by-side configuration.

Key facts

Compatible with Cisco IP Phone 6851
Up to 28 additional buttons (14 physical)
3,5” grayscale LCD display
Includes base and cable for direct connection to the IP Phone

Further information
Datasheet

Technical details

User interface

Two 3.5-in (9-cm) grayscale backlit LCD displays, 160 x 270 resolution
The module has 14 physical buttons (28 using page keys).

Power: Supports Power Save Mode. When the Cisco IP Phone 6851 is placed in Power Save Mode, the 6800 KEM is also placed in Power Save Mode. Pressing the select button while the phone and KEM are in Power Save Mode will restart both the phone and the KEM.

Cisco Key Expansion Module 6851

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Technical details