b47b5689c9
- Implement TelephoneSFPManager to manage telephony service interactions. - Create TelephonyService class to handle telephony states and actions. - Develop WebServerManager for handling HTTP requests and managing contacts. - Add HTML, CSS, and JavaScript files for the web UI to interact with the telephony system. - Introduce WifiManager for managing WiFi connections. - Implement unit tests for telephony features and state transitions. - Ensure proper input validation and error handling in web server routes.