How to consume a WCF

To consume/access a WCF on the same local machine from a web page on the same machine, I include the below code in the web.config. Notice "http://localhost/myWCF/myService.svc" How does an outside web page consume/access that service ?
Thank you
<client> <endpoint address="http://localhost/myWCF/myService.svc" binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_IService" contract="ServiceReferencemyWCF.IService" name="WSHttpBinding_IService&quo ...