ATT Note 3. Internet is working fine, but phone is dodgy

magenta2749627

    Hello,

     

    I took my ATT note 3 and moved to T-mobile. In my office, the internet is working, but i cannot make a phone call. How this is possible?

    I can make a phone call in my home. So that means it's not broken. Did you have a similar problem?

     

    Thank you!

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