Nortel Business Series Terminal T7208 - digital phone "nortell phone disturb" Questions

...phone showed do not disturb on its display how can I remove this..my phone is nortel T7208 hey i have the solution. push the function button, then pound, then 85. hopes this helps. i had the same ...

I've somehow put on the do not disturb on my phone and feature #85 does not clear it. How do I remove said? Press feature, then #, then 85.