Why can't I dial out using wifi with my Galaxy S5?

[AC Question]

why can't I dial out using wifi with my galaxy s5

Phone works great...very litlle(no coverage) at home. Phone will work on incoming calls but I can't place a call using wifi.

 

[Golfdriver97]

Re: why can't I dial out using wifi with my galaxy s5

Welcome to Android Central. What carrier do you have?