/// <param name="simulator">Originating Simulator</param>
private void ChatterBoxInvitationEventHandler(String capsKey, IMessage message, Simulator simulator)
{
if (onIM != null)
{
ChatterBoxInvitationMessage msg = (ChatterBoxInvitationMessage)message;
//TODO: do something about invitations to voice group chat/friends conference
//Skip for now
if (msg.Voice) return;