Just like the Apple iPhone, Cisco IP Phone supports applications too (albeit not as entertaining as the Apple iPhone)! In this Nugget, you’ll see the types of services supported by Cisco IP Phones and walk through the necessary configuration to provision these services.
We normally change the CUCM servers to use their IP addressed and not DNS.
System -> Enterprise Parameters
Phone URL Parameters: change the DNS name to an IP Address
2 Major types of services – XML and Java MIDlet
Services Button on the IP Phone accesses the Services URL
Device -> Device Settings – > IP Phone Services
Add new Service with Services URL
Open a Phone -> Related Links -> Subscribe/Unsubscribe Services
Add your new custom Service
Check the Phone and it should see the new service!