If you guys had ICQ, you wouldn't need to fuss over test times because you would inevitably catch him online at some time during the week(and everyone else you'd want to do diplomacy with). But alas, you refuse to use it.
Say, is Bunka the only one that can't connect directly? If so, then could you solve this problem, Bunka? If it's just your router, then surely with a little work you can show that router who's boss? It is there to serve you, and you shouldn't let it set boundaries on the way you live your life.