I am recently having problems in IP phones I have in my lab 7911,7931 and 7970. They are connected to UC520 and i manage the network through CCA. The confn sofkey is missing on all the phones even though the confn feature is enabled in CCA. I am unable to figure out what the problem is. The firmware version on these phones are
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...