Plexis POS Telephone Support Cost: $299 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions Plexis POS Telephone Support: Telephone Technical Support for Plexis POS. We provide ample opportunity to test our products with the no time limit, fully functional demo. Please test our products fully prior to purchasing, as all sales are final.