- Updates of VoIP SIP SDK for Flutter September 4, 2022Please download our latest update of VoIP SIP SDK for Flutter. Change log: SDK is now distributed in plugin form, which simplifies integration in 3rd party project Native Flutter(Dart) widget for video views IM-related functionality: method to send IM and events to receive the incoming message or delivery status of a sent message License information support Updated native SDK’s (iOS and Android) Example application ...