wcf service long time transition server client

Question

I have a WCF service in my application. When the amount of data that passes from server to client is small I do not have problems.

The problems come when there's a big amount of data.

The proxy method runs a stored procedure that retrives data in an acceptable time. The method server side return correctly,

BUT it takes more that two minutes to return properly to the client and continue the execution client side.

During this period if I stop the application it seems that no actions are in execution.

I don't know if it's an IIS problem or a configuration of the net.tcp binding.

The only thing I'm able to do is to execute the proxy in an external application and it that case I no have problems.

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EDIT***

This is the binding configuration:

<binding name="NetTcpBinding_INService" closeTimeout="24.00:00:00" maxReceivedMessageSize="2147483647"
          openTimeout="24.00:00:00" receiveTimeout="24.00:00:00" sendTimeout="24.00:00:00">
          <security mode="None" />
        </binding>