private void OnIncomingCall(ObjectId obj)
{
User caller = friendsService.GetFriendById(obj);
if (caller != null)
{
VoiceChatViewModel viewModel = this.container.Resolve <VoiceChatViewModel>();
viewModel.Title = "Anruf von " + caller.Name;
viewModel.IncomingCall = true;
viewModel.CallPartner = caller;
viewModel.CanAccept = true;
viewModel.CallAccepted = true;
OpenCallDialog(viewModel);
}
}