Hi Steven,
I am so sorry to hear you have had troubles with the Poly and HP support.
Can you please send me an email at sales@simplyheadsets.com.au with the issues you are having so that I can escalate and get a resolution for you.
“Exactly what I wanted, my company supplies slightly different headsets now but after 10 years of using the plantronics with a tube that they no longer supply I prefer to buy my own and everything about buying from simply headsets was easy”