Call internationally for as little as 1.4 cents per minute. Transfer calls from your landline to your mobile phone. And get 3,000 minutes of free domestic calls every month. This August, ooma is releasing an upgraded version of its highly rated VoIP phone system. The new system, called the Telo, comes with a cordless handset that lets you check voice mail with the touch of a button. (Before, buyers had to supply their own handsets.) Basic use is free; the $12.99-a-month premium service includes features such as landline-to-cell transfers, a second line, and three-way conferencing. COST: $299.99 and up