You can use a program like Skype to talk to people around the world. Both voice and video calls are free to other users of with the same software. Business users can also use Skype to make low-cost calls to landlines and mobile phones around the world. It is even possibe to set up a Skype-based PBX offering answering machine, menus, call routing, on-hold music and other PBX-style facilities for up to 30 users. PC Rescue can show you how to use freely available software to save money on national and international voice and video calls.