Hi, interested to know how you got on with this.
we have had problems with virtually no signal, calls not possible etc. The "pat" answer is "just use wifi calling (VOIP?) but this makes the assumption you have broadband & that it works.
Having suffered several years of absolutely useless broadband due to rural area & constant line problems, wifi calling has not been possible either. I am looking into boosters of some sort. Previously BT supplied a smart booster box (3G I think) which helped but only when the broadband was working, which wasn't very often, and anyway they stopped supporting the set up sometime ago.
As BT mobile used the EE network I checked a few years back on another cell phone site to see where the nearest mast was & found the outermost circle of its signal is in a field about 500 yards away. I can get texts etc if I walk there... If I try to check on the EE signal checker, it doesn't even recognise my phone (a 3 year old Sony XZ2 compact) so that is no help.
I read that smaller phones like mine can have trouble in low signal areas but its always been fine elsewhere. Other websites show there is EE signal in the area which is clearly incorrect. They also show other providers have signal but as the EE info is duff, I am reluctant to change to another provider, in case it turns out there's no signal for them either!
I guess when fibre broadband eventually gets here then it will be wifi calling
