Developed Twilio Regions Support in the moltbot/moltbot Voice Call Plugin, enabling users to specify regional endpoints for Twilio API calls and improving international call performance and reliability. The work involved designing a region-aware plugin architecture using TypeScript, with a focus on robust API integration and backend development. By allowing flexible endpoint configuration, the feature addressed latency issues for global users and established a foundation for future regional routing enhancements. Collaboration was demonstrated through co-authored contributions and thorough pull request processes. Testing was incorporated to ensure stability, and the implementation supports ongoing optimization and monitoring within the Moltbot MVP framework.