If you have either of these systems on your network, they can cause undesired dialing. How to filter IPX on Ascend routers . If you have none of these systems on your network, you'll need to track down the traffic causing the dial. On an Ascend router, there's a Debug command, wddialout , that will capture any packet causing a dial. You'll need to grab those traces and decode them.
Detailed instructions are here.
With Fetch, you can see how much space a file uses, but you can't directly see how much total space you're using in a directory. This is fine if you only have a few files, but inconvenient if you have many. You can easily export a directory listing to Excel and total up the files sizes. This assumes you're using Fetch 3 and Excel 5. In Fetch, choose View file list form the Remote directory.