### Answer Based on the available documentation, I don't have specific information about iOS SDK support or mobile app integration for Retell AI voice agents. The documentation I have access to covers: - Phone call integration via SIP trunking and telephony providers [(1) ]() - Web call functionality with frontend SDK [(2) ]() - API-based phone call registration [(3) ]() However, none of these sources explicitly detail iOS mobile app integration or mention an iOS-specific SDK. For accurate information about iOS SDK availability and mobile app integration options, I recommend checking out these potentially useful sources: - [Connect Retell voice agents to custom telephony]() [(1) ]() - [Register Phone Call]() [(3) ]() You might also want to reach out directly through Retell AI's documentation or contact their support team for the most current information about mobile SDK availability.

​ To learn more, see the sources I considered: [[1] Connect Retell voice agents to custom telephony](https://docs.retellai.com/deploy/custom-telephony) [[2] Platform Changelogs | Retell AI](https://www.retellai.com/changelog) [[3] Register Phone Call](https://docs.retellai.com/api-references/register-phone-call) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.