Pros: no monthly charges (except taxes/fees), good call quality, free long distance in U.S.
Cons: initial hardware cost, advanced features incur monthly fee, international calls not the cheapest
Ooma interface (Telo for home users); use any regular corded or cordless phone; handset required for advanced features
Includes unlimited calls in the U.S.
$40 (or included in Premier account, *Est. $10 per month)