CustomBinding binding = new CustomBinding();
binding.Elements.Add(new HttpTransportBindingElement());
BindingParameterCollection paramCollection = new BindingParameterCollection();
IChannelListener<IReplyChannel> listener = binding.BuildChannelListener<IReplyChannel>
    (new Uri("http://localhost:8000/ChannelApp"), paramCollection);

listener.Open();
IReplyChannel channel = listener.AcceptChannel();
Console.WriteLine("Listening for messages");
channel.Open();
RequestContext request = channel.ReceiveRequest();
Message msg = request.RequestMessage;
Console.WriteLine("Message Received");
Console.WriteLine("Message Action: {0}", msg.Headers.Action);

if (msg.Headers.Action == "hello")
{
    Message reply = Message.CreateMessage(MessageVersion.Default, "wcf");
    request.Reply(reply);
}

msg.Close();
channel.Close();
listener.Close();