Introduced new features:

• Added support for Call Announcement function found on the call settings page.

*Limitation: Some Bluetooth Headsets are unable to play Call Announcement upon incoming call.

• Support for Call waiting feature.

• Support local push notification.(Requires UC v5.4 or higher)

• Call Parking support (Requires UC 5.3.5 or higher)

Bug Fixes:

• Implemented various bug fixes and performance enhancements.

• Implemented fix for Phonebook filter function.