Voice Bridge ETH-PSTN
Connect to your landline or VoIP gateway.
Your landline calls can be received on your mobile device.
You can use your mobile device to make calls using your landline.
You just need to have a wifi connection or mobile data connection.
Mixed Amazon reviews have probably been caused by the users mobile phone battery optimization settings.
The app must be allowed to run in the background and never be disabled or put to sleep.
Simply plugs in to your router, landline connection/phone and power.
The app is simple and works.
If a landline call comes in from anyone in your contacts list the number is displayed.
If someone answers a call at home on your landline you can join that conversation using the app, a three way call in effect.....
This has worked perfectly for me every day and if you don't like answer machines or paying for call divertion this is for you.
Up to 5 mobile devices can be registered to the base unit.
Whilst your phone may be paired successfully to your cars audio system for calls etc this app does not work through your cars audio system. A minor issue for me.
Search Amazon for Invoxia.
Currently £89