Configuring WebEx for SAML with OneLogin

Configure WebEx Enterprise in OneLogin

If you haven't already added WebEx Enterprise to your OneLogin account, you can do it via this link:
    https://app.onelogin.com/apps/new/3036
Now, configure the application.

1. Choose SAML as authentication method
2. Enter your subdomain, e.g. mycompany
3. Select the roles you want to have access to WebEx
4. Save the app

Configure SAML in WebEx

1. Sign into your WebEx Enterprise account as the admin
2. Click Site Administration in the menu bar
3. Click SSO Configuration in the sidebar
4. You should now see the page below
   
    
5. Set WebEx SAML Issuer to "http://www.webex.com"
6.  
7. Set Issuer for SAML to the SAML Issuer from the WebEx app in OneLogin
8. Set Customer SSO Service Login URL to the SAML Login URL from the WebEx app in OneLogin
9. Set AuthContextClassRef to "urn:oasis:names:tc:SAML:2.0:ac:classes:PasswordProtectedTransport"

More Here

Courtesy:http://support.onelogin.com/entries/362606-configuring-webex-for-saml-with-onelogin