I have the SPA 8800 connect to my UC320 the FXO ports work fine, but I can't get dial tone on the FXS port. The FXS port on the UC320 works fine and the FXS ports in the UC320 configuration are enabled, but I can't find any additional setting that give me a hint on what I'm doing wrong.
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...