£44.50 End Date: 17-Apr 12:30 Buy It Now for only: US £44.50 Buy it now | Add to watch list – See this listing and more in our eBay store. Plantronics Calisto P540-M R2 USB Telephone 82783-11 NEW I Same as Polycom CX300Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook