libSoftphone SDK for Android and iOS

libSoftphone SDK for Android is Java-based and compatible with Kotlin and Java. For iOS, the SDK is available in Swift and Objective-C.

Demophone is a sample VoIP application published by Acrobits and can be used as a reference implementation before integrating the SDK into your own project.

Use the pages below to start integrating libSoftphone SDK:

• Demophone
• Quick Start Guide
• Getting Started with Android libSoftphone
• Getting Started with iOS libSoftphone
• Call Transfers and Call Forwarding
• Custom SIP Headers

For Android package, type, and member documentation, see the Android SDK API reference.