have an iMac DV and a PowerBook G3 - both OS9. My new employer requires a dial-back server connection (my modem calls them, they verify, disconnect, and call my modem back). This is no problem in Windows, but can Macs do this? If so, what do I need to do to get this to work? I hate to be forced to use a PC and my employer insists dial-back is needed for security. Any ideas?