Get calls configuration

lib/models/call_config.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+
+/// Call configuration
+///
+/// @author Pierre Hubert
+
+class CallConfig {
+  final List<String> iceServers;
+
+  const CallConfig({
+    @required this.iceServers,
+  }) : assert(iceServers != null);
+}