Call-tracking.by is an online service for evaluating the effectiveness of advertising and optimizing business processes in marketing and sales departments. Founded in 2013. Specializes in analyzing incoming phone calls, allows companies not to miss calls, simplifies decision making about reducing the budget for ineffective advertising and increasing investment in advertising, which really works. Field of activity: marketing, sales, analytics, telecom. More than 1100 companies cooperate with the service. For 2019, the service has analyzed more than 5 thousand advertising campaigns and 2.3 million incoming calls.