I have tried most solutions I can find BUT..........
If I dial my OBI from my cell phone and hang up as it starts ringing, then dial my cell phone from my OBI it works. If I dial my cell again, it works. If I dial another number I get the error. If I then redial my cell I get an error.
Apparently, If a number calls the OBI, I can call that number back on the OBI, but I can't call any other number. If I do try, then I can't recall the previous number?
??
How do I get this fixed???