The best replacement for wifi calling is uma.

The best alternatives to wifi calling are rated as following:
★★★★★  uma

Your alternative for wifi calling is not listed? Suggest!
Speaking about wifi calling, one probably shouldn't forget about cyanogenmod.

Other search terms related to wifi calling and their ratings are:
★★★★★ cyanogenmod
You have in mind a companion for wifi calling and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of wifi calling in all years. Click on graph for more.
wifi calling
uma