Panasonic Link2Cell DECT 6.0 1-Line Cordless Phone with 5 Handsets – Link 
Amazon has this on sale right now for just $101.99 w/ free shipping!
- Sync your smartphone to your home phone with Link2Cell technology
- Link up to two smartphones to make and receive cell calls on your home phone
- Stay connected even when the power goes out with the power back-up feature
- Never miss a text with talking ID alerts from Link2Cell handsets
- Keep your smartphone charged with convenient USB input