Strange issue, unable to dial T-Mobile contacts

From my Optimus S, I am unable to dial T-Mobile contacts most of the time.  When I dial, there is silence, then an odd echo where I can hear my own voice.  This only happens when contacting people who are on t-mobile.  If I reboot the phone I can dial them once and connect, but then it's right back not being able to call.  Texting works to/from t-mobile.  I can dial any other numbers fine (Sprint, Verizon, AT&T, landlines, etc.)

Anyone heard of this?

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1 comment
  • Hi Bill,

    I'm going to send you an email with some troubleshooting steps. Keep an eye out for it!

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