This configuration is not documented or supported by our Technical Support Center, however it should work without any issues. Some hints on the SPA9000 piece (I cannot comment on the CUCM since I'm not an expert on it).
On SPA9000 web UI go to the Voice tab, then go to admin and then advanced mode
- Click on the Line 1 tab
- Set register to no
- Set make and answer call without registration to Yes
- Set the proxy address to the ip address of the CUCM.
- Set a user name (any, should match with the username included in CUCM route)
- If required by CUCM, add the user password.
- Submit changes
That completes the configuration on the SPA9000 side. For CUCM, I suggest you go to cisco.com. There is a good set of documentation available for partners.
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...