So you have a smartphone and would like to be able to answer your call using your regular phone? Maybe you want to answer landline calls on your smartphone? These cellphone to home phone adapters can help with that:
Cell2Jack: extends your smartphone service to your landline phones. You can use Google Assistant and Siri too.
Xtreme Xlink BT Bluetooth Gateway: allows you to answer smartphone calls on your regular phone. Up to 3 smartphones can be connected.
Invoxia Voice Bridge: allows you to place calls using your landline number using your smartphone. Allows you to connect up to 5 devices simultaneously.
Have you found more useful smartphone to phone adapters? Please share them here.