It is the scheme of interaction between sales and marketing (through the CRM system and the end-to-end analytics service). This scheme will help to automatically generate a visual report in which you can easily understand the effectiveness of certain advertising channels (ROI), evaluate the effectiveness of each sales manager, see the entire path along the sales funnel that the client has made (from interest in our ad to making a purchase). Below is a report that you can view online.
So, end-to-end analytics is a unified data latest phone number database collection system that collects data (applications from your website, incoming calls, website traffic, sales managers, etc.) from everywhere where you conduct advertising campaigns (no matter online or offline), systematizes them and helps analyze them.

data collection occurs automatically in on-line mode, which allows for immediate management decisions in the field of marketing and sales (the effectiveness of online or off-line advertising channels and each individual sales manager);
the data is displayed in a clear and readable form, it is understandable not only to marketing and sales specialists, but also to business owners;
You can view end-to-end analytics reports from any computer connected to the Internet, which allows you to monitor work remotely.
Based on end-to-end analytics data, a marketer can redistribute advertising budgets, make productive decisions, and make promising forecasts for the future. It turns out that end-to-end analytics helps to correctly distribute the advertising budget, helps to see weak links in your sales funnel (after all, advertising can work perfectly, but a visitor, having reached a sales manager, for example, may not make a deal simply because the manager does not know how to work with a client), and also helps to develop recommendations for improving the situation.