static void Main(string[] args)
{
    BasicHttpBinding myBinding = new BasicHttpBinding();
    EndpointAddress myEndpoint = new
   EndpointAddress("http10.10.1xxxxxxxxxx4");
    ChannelFactory<SI_Certificados_OutMsg> myChannelFactory = new
    ChannelFactory<SI_Certificados_OutMsg>(myBinding, myEndpoint);
    var defaultCredentials =
    myChannelFactory.Endpoint.Behaviors.Find<ClientCredentials>();
    myChannelFactory.Credentials.UserName.UserName = "user";
    myChannelFactory.Credentials.UserName.Password = "123132";

    SI_Certificados_OutMsg serv = myChannelFactory.CreateChannel();
    DT_Certificados_DTO cert = new DT_Certificados_DTO();
    // ACA COLOCAR LOS DATOS PARA SER CONSUMIDOS

    myChannelFactory.Close();
    Console.Read();

}