Here's a handy tool for close groups of friends and for families: Foonz, a free conference call service.
On the Foonz Web site, you set up your calling groups. For each name, enter a cell phone number or an IM address (or both). Place your contacts in groups (e.g., "Beer buddies," and so on) and when you want to talk to everybody in a group at once, you call the Foonz service and select one of your groups from voice prompts.
Foonz then sends SMS or IM messages containing dial-in numbers to your contacts. People calling … Read more