Plantronics CS55H Support Questions

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Using A Splitter
when I plug the CS55H into the splitter, my phone says "in use" and I don't get a dial tone when I t...

Need To Replace Cs55h Pstn Adapter. Where?
Go to this page to view the Hook Switch Adapter (73859-01) most places either don't have it instock ...

Hello, Can You Please Explain The Difference Between Cs55h And Cs55?
The CS55 is the standard wireless headset system that plugs into a multi-line phone - using your pho...

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