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.

    February 17 — February 23, 2025

    Last updated: 8/14/2025

    Transcription & UI

    • • ✨ Improved real-time transcription client with live updates
    • • 🎨 Enhanced UI for better user-friendliness and intuition
    • • 🔄 Fixed sync to contacts feature
    • • 🗑️ Removed local device contact storage

    Call Management

    • • 🚀 Implemented cold transfer system after testing multiple prompting techniques
    • • 📱 Added dedicated third phone number for premium users' warm transfers
    • • ⚡ Introduced conference call controls:

    Performance & Infrastructure

    • • 🔧 Fixed device registration and number onboarding flow
    • • 📊 Implemented pagination for database queries
    • • 🐛 Fixed credit balance verification issue (float vs string comparison)
    • • 🔍 Debugged Retell webhook payload issues (userId undefined)
    • • ⚡ Optimized contact loading with pagination

    Security & Verification

    • • 🛡️ Addressed webhook verification challenges
    • • 🔒 Prevented multiple number purchases during onboarding

    Cost Optimization

    • • ⏰ Set 10-minute maximum limit for AI calls

    Bug Fixes

    • • 🔧 Fixed IOS websocket client JSON object mismatch
    • • 🐛 Resolved issues with Active Call Control View transitions
    • • 🔍 Fixed incoming call screen display during transfers