build twilio video call module -- 2

- Develop video call functionality with Twilio SDK. - Create a free initial API key from Twilio. - Create UI for the Incoming and Outgoing call. - Accept and Reject option should be there. - Initially show all available channel users in List without any status type. - Show all calling list in RecyclerView with the type(connected, missed call, rejected). - User can also call from that list. - Store all call logs to Room DataBase for offline operation with status tye. - There are three steps of call connection dialing, connected and disconnect for the caller. - And same for receiver ringing received and disconnect. - Strictly use LiveData, DataBinding, RXJava and MVVM architecture. - Use fragments. Previous experience on Twilio a must. Please send work example.