We have a Panasonic phone system kx-t74xx. I need to be able to open up long distance on one phone extension and only on line 4. Can anyone explain how to do this? Thanks in advance.
that is the phone model, you need let us know what system you have. you need to know basic programing of the system. barring long distance on one line and allowing national/local on the rest is a bit more complicated so it would be quicker to get someone in
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