I have a Cisco 540U with 2 Cisco 9951. I have followed the instructions for the wallpapers, and I confirm this because the 7965 we have can access wallpapers. The 9951 gives an error saying it cannot access additional wallpapers from the server. I followed the instructions using the 640x480x24 folder and everything else.
Configure Multicast Paging on the Cisco IP Phone 7800 Series or 8800 Series Multiplatform Phone
The Cisco IP Phone 7800 and 8800 Series Multiplatform Phones provide voice communication over an Internet Protocol (IP) network...
Add Call Park on a Cisco 7800 or 8800 Series Multiplatform Phone Key Expansion Module
Call park allows the user of the phone to put an incoming call on hold so that the call can be retrieved on another phone. A call is park...