WCF timeouts in SOME solutions - wcf

Question

The problem is that when I create a new solution in VS2012 and add service reference of wcf, everything works fine. However, when I add the same service reference to one of my projects, the methods receive timeout exception. The problem might be that when I add the reference to my project, visual studio didn't create the codes until I uncheck the option "Reuse types in referenced assemblies". I checked configuration files but see no difference at all. I include a part of config file anyway:
<system.serviceModel>
<client>
<endpoint address="url"
binding="basicHttpBinding" bindingConfiguration="BasicHttpBinding_IService"
contract="NewsBannersCampaignService.IService" name="BasicHttpBinding_IService" />
</client>
<bindings>
<basicHttpBinding>
<binding name="BasicHttpBinding_IService" />
</basicHttpBinding>
<wsHttpBinding>
<binding name="DefaultBinding">
<security mode="Message">
<message clientCredentialType="UserName" />
</security>
</binding>
</wsHttpBinding>
</bindings>
<services>
<service behaviorConfiguration="DefaultBehavior" name="project.Services.Integration">
<endpoint address="" binding="wsHttpBinding" bindingConfiguration="DefaultBinding" name="Integration" contract="project.Services.IIntegration" />
<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange" />
</service>
</services>
<serviceHostingEnvironment multipleSiteBindingsEnabled="true" />
</system.serviceModel>
Edit: For anyone that may have this problem; the problem in my case was I forgot to delete my defaultProxy setting in config file. After deleting it everything worked fine. I just deleted
<system.net>
<defaultProxy>
<proxy proxyaddress="http://address" bypassonlocal="True" />
</defaultProxy>
</system.net>