how to use PJSIP in Swift
Asked on 06/16/2025
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It seems like you're interested in using PJSIP in Swift. While the provided context from WWDC does not specifically cover PJSIP, it does discuss interoperability between Swift and other languages, such as Java and C.
To use PJSIP in Swift, you would typically need to create a bridging header if PJSIP is written in C or C++. This allows you to call C functions from Swift. You can also use Swift's interoperability features to integrate with C libraries, as mentioned in the session "Explore Swift and Java interoperability" from WWDC 2025.
For more detailed guidance, you might want to look into sessions that discuss interoperability, such as:
- Explore Swift and Java interoperability (00:00:52) - This session covers interoperability with C languages and might provide insights into integrating C libraries like PJSIP with Swift.
If you have specific questions about Swift interoperability or need further assistance, feel free to ask!

Explore Swift and Java interoperability
Learn how you can mix Swift and Java in a single codebase. We’ll introduce the swift-java interoperability project, which allows you to use Swift in Java programs or vice versa. We’ll show you how to use the tools and libraries offered by swift-java to write safe and performant code that interoperates between these two runtimes.

A Swift Tour: Explore Swift’s features and design
Learn the essential features and design philosophy of the Swift programming language. We’ll explore how to model data, handle errors, use protocols, write concurrent code, and more while building up a Swift package that has a library, an HTTP server, and a command line client. Whether you’re just beginning your Swift journey or have been with us from the start, this talk will help you get the most out of the language.

What’s new in Swift
Join us for an update on Swift. We’ll briefly go through a history of Swift over the past decade, and show you how the community has grown through workgroups, expanded the package ecosystem, and increased platform support. We’ll introduce you to a new language mode that achieves data-race safety by default, and a language subset that lets you run Swift on highly constrained systems. We’ll also explore some language updates including noncopyable types, typed throws, and improved C++ interoperability.