VOIP app to use with data only plan?
 

Hello, I really only make or receive phone calls once in a blue moon, and feel silly paying almost $100/month for cell phone service when T-Mobile has data-only plans starting at $10 (!). I've checked, and it is possible to use an iPhone as a data only device on T-Mobile. Now I'm trying...

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Courtesy of WestNet Wireless
www.westnet.ca