Inline

• Inline integration into the Siebel user interface.
• Session Management, including managing session cookies and automatic re-login after time out.

• Only works in very few cases.
• Will not work with complex JavaScript.
• Will not work if there are reference to frames.
• Supports the GET method only.
• URL limited to 2048 characters.

IFrame

• Inline integration into the Siebel user interface.Supports complex JavaScript.
• Supports references to frames.
• Session Keep Alive supported.
• Works for most cases.

• No session management.
• Only supported by IE5.5 and higher.
• Does not support frames that reference top-level JavaScript objects.

Web Control

• Supports frames that reference top-level JavaScript Objects, because JavaScript does not refer to objects outside of the Web control.

• No session management.
• Browser functionality, such as the back button, is only available by right-clicking in the Web control.
• ActiveX objects that contain other objects are reset if you change tabs and then return to the Web control.
• Web control requires more system overhead than IFrame.
• Only supported for IE4 and higher.