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Old Aug 12, 2015 | 2:53 pm
  #1012  
Mul
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Join Date: May 2001
Location: San Francisco, CA, US
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Originally Posted by CatJo
I'm new to T-Mobile so this is interesting to me. As I understand it, once you're on Wi-Fi and using "T-Mobile WiFi", it's as if you're in the US. Did you get charged for calling back to the US? That should've come out of your domestic calling minutes.

If you called a local Maldivian number, then yes, it should've been as if you called from the US to the Maldives.
I had recent experience on this last month. The way I understand it is:
  • wifi call from abroad to US is free
  • wifi call from abroad to another country is charged, depending on the wifi origin or destination

I was in HKG, made wifi call to Indonesia, charged $0.20/minute
I was in Indonesia, made wifi call to Indonesia, charged $0.20/minute
I was in HKG, made wifi call to USA, no charge

The kicker is how they determine your location. I was in SIN, made wifi call at the airport to Indonesia. Somehow, T-Mobile thinks it was coming from St. Helena, thus charge about $4 / minute instead of Singapore rate, which is $0.20 / minute

I wonder if wifi call will work over VPN?
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