This. Read the post, clicking through to the site, browsed the repo, still had to go look it up on Wikipedia. Copying a bit of their intro wouldn't hurt: Call

This. Read the post, clicking through to the site, browsed the repo, still had to go look it up on Wikipedia. Copying a bit of their intro wouldn't hurt: Call tracking software records information about incoming telephone calls ... it is based on the technological possibility of measuring the behavior of callers and is thus the equivalent in telephony to the conversion tracking used on the internet. https://en.wikipedia.org/wiki/Call-tracking_software https://en.wikipedia.org/wiki/Call-tracking_software