Obihai OBi202 VoIP Telephone Adapter for $39.99 after this $60 rebate.  Shipping is $4.68 for a total of $44.67 shipped.  Here is a screenshot before the $60 rebate for your reference. It works with up to 4 VoIP services, including Google voice, Anveo, Callcentric, and features a 2-port router with integrated quality of service and [...]