I have a goal is to setup home VOIP solution to keep my 2-4 SIM cards at home while travelling abroad. Getting data and SMS is easy, but I really can’t find any devices that actually support both voice and LTE.
Unfortunately all hardware I can find is either old 2G/3G GSM gateways o custom mods using “asterisk-chan-dongle” and all available dongles only support 2G / 3G hardware which is being discontinued in my area and no longer work reliable.
I would really appreciate any advice here. Thanks.
Okay, it looks like this iphone feature only work if both phones on the same WiFi network and unlikely there is way to overcome it.
So it’s typical Apple - implement some useful feature, but limit it to be completely useless for power users.