This was $38.89 yesterday and is now tied for the lowest Amazon price ever.
If you don’t have Amazon Prime you can get free shipping by adding a cordless phone like this one to your order to get over the $35 threshold.
The OBi now officially supports Google Voice and allows you to make unlimited phone calls to the US and Canada for free with no monthly or per minute fees. Calls to other countries are very cheap as well.a free trial of Amazon Prime. A prime trial is also free with Amazon Family (which also gets you up to 20% off diapers among other benefits) or Amazon Student. EBT/Medicaid Cardholders can save on Prime Membership here.