User Activity

I am confused about the Bill that are created with PO. After I create a P.O. I receive it, I then create a receipt , then finally a bill. Then this is where I get stuck. What do I do with the bills, I have over 800 and I can’t do anything with them,
Is there a way to set all our desktop phones to ring out our default business number, I tried going into the dialpad app and there wasn't an option for our default # and then I went to the web version and selected "Your Devices" from the profile and ...
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