CalWin E-Quote is system to send quotes to your customer, that they themselves can amend and re-calculate for their end user. It's a cloud based solution, and your customers will receive a link by email. The link will open the quote in the browser.
This is an example of how it looks like for the customer when clicking the link.
E-Quote WEB UI
In CalWin, the option to send a quote to E-Quote is available in the print dialog along with other reports.