- Added per-account DTMF mode selection: Auto, RFC 4733/RTP Event, and SIP INFO. - Added support for multiple fixed SIP request headers for PBX integrations, available to all users. - Added validation and iCloud backup support for the new SIP account settings. - Improved DTMF reliability and account configuration. - Refined the Pro upgrade and multi-user purchase interfaces. - Updated translations across all supported languages.

What's New in YakPhone 1.4 - Added per-account control for randomized SIP Contact usernames. - Added detailed iCloud backup counts for SIP accounts, contacts, calls, and messages. - Clarified Pro background call wake-up and push relay features. - Added a quick link to rate YakPhone on the App Store.

-Fix the call timing operation issue on Dynamic Island -Fix the pop-up issue of background refresh

- Added a monthly Pro subscription with a 7-day free trial while retaining the permanent unlock option. - Added permanent unlock access for active subscribers and improved purchase restoration. - Improved entitlement registration for subscriptions, permanent purchases, and redeemed offer codes. - Added Terms of Use and Privacy Policy links to the Pro upgrade screen. - Added region-aware system calling support: CallKit outside mainland China and LiveCommunicationKit in mainland China. - Improved App Store storefront detection when switching regions or store accounts. - Fixed a crash when ending a call caused by SIP transport cleanup racing with active network callbacks. - Improved SIP connection preservation after hangup so subsequent calls remain available. - Updated Pro feature descriptions to reflect the active system calling integration.

- Updated the core communication framework for improved call stability, security, and compatibility. - Optimized iCloud backup and restore for faster, more reliable synchronization. - Improved dialog loading and responsiveness for a smoother experience.

- Added subscription plans and new free-trial options. - Improved AI-powered real-time transcription for faster responses and lower latency. - Fixed CLI mode to support all registered Baresip commands independently. - Improved overall performance, stability, and user experience.

Fix some known issues

-Optimized the style of the dial pad -Optimized some performance experience -Fixed the issue where call records could not be cleared -Fixed message push exceptions caused by token changes -Add a message synchronization mechanism under the same Apple iCloud account

- パフォーマンスとセキュリティの向上を最適化 - アップルアカウント切替パーティション支払ステータスの保持を最適化 - 大モデルのロード速度と会話の精度を最適化 - 新しいダイヤルの番号貼り付けとパルス音の体験最適化 - ローカルHTTPおよびCLIモードの追加 - G 722などのオーディオフォーマットの復号サポートを追加し、CallIDの構成を追加 - 自動受信、コール転送機能の追加、ビデオVP 8のサポートの追加

What's New in 1.0.1 • Redeem Code — You can now redeem promotional offer codes directly from the app. Go to Settings → Redeem Code to get started. • Restore Purchase — Improved feedback when restoring a previous Pro purchase. The app now clearly confirms success or notifies you if no purchase is found. • Bug fixes and performance improvements