Dev:ChatKit.framework

ChatKit is a framework designed for handling SMS, iMessage and MMS, and the views for these. iMessage was introduced in iOS 5 under the codename CKMadridService but has since been replaced and fully integrated into ChatKit.

Listener Capabilities
As of iOS 7, things a process can do with this framework is limited by imagent, the backend daemon that processes calls from ChatKit.framework. Imagent uses a property called listener capabilities to determine what each process can do.

Default Values for Some Common Processes
 com.apple.springboard Status, Notifications, Accounts, Modify Read State, Chat Counts com.apple.MobileSMS Status, Notifications, Chats, Transfers, Accounts, ID Queries 