Twilio's Programmable Voice Mobile SDKs 3.0 is now generally available, offering improved audio quality, increased efficiency, and contextual calling experiences for users. The new version includes features such as support for Opus codec, call control functions, custom parameters, media statistics API, real-time insights, and AudioDevice API for iOS. These enhancements enable developers to build engaging and high-quality voice calling experiences directly from their apps, protecting users' information by connecting calls using VoIP, and providing a suite of programmability features that can be leveraged to unlock Twilio's suite of features such as creating conferences, transferring calls, and recording calls. With this release, developers can now make their customer call experiences even more engaging with improved audio quality, increased efficiency, and contextual calling, and get started with the new SDK through various guides and resources available on Twilio's website.