Credit-Based Video/Audio Call App

I need an application that facilitates both video and audio calls, using a credit system to charge users per minute of call time. Additionally, the app should include a chat messaging feature. Key Requirements: - Core Functionality: Enable both video and audio calls. - Credit System: Users are charged per minute of call time. - Additional Features: Integrate chat messaging. Ideal Skills and Experience: - Experience in developing real-time communication apps. - Familiarity with credit-based payment systems. - Strong background in integrating chat functionalities. - Proficient in mobile and web app development. Please provide examples of similar projects you've completed.

Project ID: 40344594