Ask AT&T to Block all your out-going international calls from your regular phone app (make sure they don’t block Viber or other voip apps you use to make international calls)Ģ. If you don’t take these steps, At&t will charge you for international long distance calls even if you use Viber to make the call, even though Viber uses cellular data (which you already paid for) or Wifi ( which you already pay for).ġ. Rules to use Viber without getting scammed by At&t. At&t somehow knows you are using viber, they should NOT have any knowledge of what APPS we are using, and what we are using it for (Banking, Health, VOIP calls using viber etc. At&t tries to scam its customers that don’t use their international long distance plans because the customers make free calls on Viber. This based on the recommendation of At&t customer no-service chat : For local calls in USA, while in USA, AT&T will not reimburse you for using your Wifi to “assist” in making phone calls, they use your Wifi to “assist” in making calls because they have the worst coverage of any cellular large company.

If someone including a robocaller leaves a voicemail message, At&t will charge you international long distance calls.ģ. If traveling outside the USA, don’t answer any incoming calls or place your ph on airplane mode in either case, disable your voicemail. Ask AT&T to Block all out going international calls from your regular phone app (make sure they don’t block Viber international calls)Ģ. To use Viber without getting scammed by At&t. Thats the only explanation i came up with, because it should not know when we use viber.Īfter spending considerable time on chat with At&t customer (no) service, here are the Rules I derived from my chat : Att has something setup in tbe ph so it can track calls on viber.

How to use viber call international