Try This
<bindings>
<basicHttpBinding>
<binding name="BasicHttpBinding_IOrderService" closeTimeout="00:05:00"
openTimeout="00:05:00"
receiveTimeout="00:05:00"
sendTimeout="00:05:00"
maxBufferSize="2147483647"
maxBufferPoolSize="524288"
maxReceivedMessageSize="2147483647">
<readerQuotas
maxDepth="2147483647"
maxStringContentLength="2147483647"
maxArrayLength="2147483647"
maxBytesPerRead="2147483647"
maxNameTableCharCount="2147483647" />
<security mode="None" />
</binding>
</basicHttpBinding>
</bindings>
<service behaviorConfiguration="OrderServiceBehavior" name="WCFService.OrderService">
<endpoint address="" binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IOrderService" contract="WCFService.IOrderService" />
<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
</service>
