Wifi Calling alternative

So I'm reading on this device and trying to confirm that it's a femtocell device and not a cell booster. Here's the issue I've had since moving here 3 years ago:

Our phones (a mix of Android and Iphone) typically show 4 bars of 4G LTE in and around our house. However, voice and data service are horrible. It's mostly the upstream on both (on voice calls the other party constantly can't hear us and texts/mms and data fails sending all the time). For whatever reason Wi-Fi calling never works correctly on our devices, my thoughts are that because the phones "show" a strong signal they don't use the Wi-Fi calling even though it's enabled. The only way to get reliable voice calls and to get texts/mms to send is to put our phones on airplane mode then enable wifi and wifi calling to force them to use wifi calling instead.

So my question is will this device work for my issues? I have a great internet connection so if this will use my internet to give me a reliable, working signal then it will be well worth the investment 

Will give that a try myself.  I only have one bar where I live so will be an interesting experiment. 

@3fingers  If you routinely get 4 bars of LTE in your home, then WiFi-C probably won't work well because your in-home cellular signal is stronger than your WiFi signal. Some phones are better at handling that than others but there is no way to force your phone to pick either signal. The phone will automatically select the stronger signal and lock onto that. If you move around your house/property, the signal can vary, cellular or WiFi, and the phone will attempt to lock onto that signal which will cause dropped calls or call quality issues.

Whichever connection you use, leave WiFi enabled all of the time (not to be confuse with WiFi-C). Your data should use your WiFi connection and voice will be handled by cellular. If you use cellular only, then disable WiFi-C so your phone can only connect to cellular. Enabling Airplane Mode just disables the cellular radio so your phone can only connect to WiFi-C for calls. Toggling back and forth just confuses the phone as to which signal to connect to and will attempt to the last signal it detected.

AT&T's Cell Booster is still a femtocell like the original MicroCell. The name is misleading. AT&T did that for marketing purposes. Most folks have a working knowledge of what a cellular booster is but very few understand what a femtocell is. So, it still uses your internet connection to connect your phone to the AT&T Mobility Servers. The device is LTE only and requires you to have a cellular phone that meets AT&T's post-3G cellular requirements. See my Cell Booster Technical Guide, link is in my sig line, for all you need to know about the Cell Booster. 

I tested the Cell Booster for AT&T for a few months at the beginning of the year and it does work, but there are caveats to that.

Thanks

1 bar inside and outside.

@3fingers

I would have to say that the problem is you have enabled Wi-Fi calling and you don't need it.   If you have four bars of Cellular Connection at home,  the 2 signals will fight each other.  It would typically result in poor voice calls, warbling in and out, even disconnected voice calls. 

I would suggest you turn Wi-Fi calling off and leave it off unless you are in a place where you do not have a good Cellular Connection.

@schmidt1x  Enable WiFi-C (WiFi Calling) if your phone is capable of that, enable WiFi (which should be on anyway) and see if your reception is any better. WiFi-C is dependent on how well your WiFi connection and internet service is. 

If you are going to use the Cell Booster, which is a femtocell, you will still need a tower close enough for maintenance and location verification. The Cell Booster does not connect to the tower but does use it from time to time as part of your cellular neighborhood. But like WiFi-C, it needs a good internet connection to reach the AT&T Mobility Servers. If you try the Cell Booster, I would disable WiFi-C first, leaving WiFi enabled, and set it up. 

@OttoPylot thanks for the reply, that makes sense. I'm thinking this device would help me out as long as the signal from it is stronger inside my house then the outside cellular signal is which it obviously should be.

Do you happen to know the return policy on it? I would love to purchase it but it would be nice to have the option to return it if I get it and test it and it doesn't help.

@formerlyknownas the problem is even though the cellular signal shows anywhere between 3-4 bars the service doesn't work. If I turn off my phone's Wi-Fi calling then people can never hear me, texts/MMS never send etc.