PhoneFilter - AI Call Assistant
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    PhoneFilter - AI Call Assistant

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    Email: philip@phonefilterapp.com

    Copyright © 2026 PhoneFilter - AI Call Assistant. All rights reserved.

    March 17 — March 23 2025

    Last updated: 8/14/2025

    Server Optimization

    • • Migrated to ultimate-express and ultimate-ws frameworks for improved performance
    • • Published first NPM library inspired by Express WS to integrate ultimate-ws with Express server
    • • Both server and websockets now using uWebsockets under the hood for enhanced speed

    Call Handling Improvements

    • • Fixed issues with greeting audio generation during call screening
    • • Resolved authentication errors when transferring calls back to devices
    • • Fixed race conditions related to incoming call screens and call invites
    • • Improved real-time updates for call status between client and server
    • • Enhanced call transfer experience with conference call announcements and timing delays
    • • Added safeguards to prevent users from requesting call acceptance twice during screening

    UI/UX Enhancements

    • • Completed landing page with product images and pricing plan information
    • • Improved call invite screen behavior for consistent display and dismissal
    • • Added pagination filter for call logs to prioritize displaying recent calls
    • • Fixed issues with active call screens persistence after dismissal

    Contact Management

    • • Fixed contact syncing between client and server
    • • Improved detection of known callers to properly bypass call screening

    AI Integration

    • • Fixed data flow between websocket client, agent manager, and conference manager
    • • Resolved issues with receiving AI messages during consecutive calls
    • • Corrected message envelope types for agent and conference channels on Redis

    Bug Fixes

    • • Fixed event emitter clearing after Twilio websocket endpoint connections
    • • Addressed memory leak issues (ongoing)
    • • Corrected issues with microphone continuing to run in background after calls
    • • Fixed disconnection problems from conference calls
    • • Resolved problems with Apple's native incoming call screen cancel function
    • • Fixed issues with users getting repeatedly logged out

    Deployment

    • • Enabled analytics on Vercel to monitor incoming traffic
    • • Released new version to TestFlight with fixes for core app features