Honlly

Wavephone Home WP1-N

Take and make landline calls virtually anywhere , even outside your home , with Wavephone .It allows you to make and receive landline calls on your regiestered mobile phones .Now you didn't have to miss any call even if you're not at home or at office .
FeaturesSpecification

1: Set your mobile phones as your local addtional landline handsets .
2: Make and receive your landline calls on your smartphone through an exclusive mobile app .
3: Make and receive your landline calls on your HD Tablet .
4: Support TR069 remote management  
5: Support Intercom and call reference 
6: Dock acts as a tablet charger and speaker 
7: World Intellectual Property Org( WIPO) Patended design and technology .