My wife's phones (have always dropped voice connections at home and it continues with her latest Galaxy S6. She is currently in the other room using my Galaxy S5 without issue. This has been a constant with all of her phones and yet I will not experience this from the same location.
Is there something that might be wonky with her device registration on the network or something that would cause her phones to not obtain sufficient reception to hold a voice conversation? We have a weak signal here, but since this has been constant across her phones for the last few years (even when we've had the exact same model), I'm starting to wonder. It feels very specific to her account rather than her device. I've tweaked, untweaked, and retweaked her network setting with no changes in her experience.
Any thoughts are appreciated.