I was setting up an outdoor advertising campaign for a health care client and started to look at how we would handle ROI calculation and attribution for leads who call in by phone. I have used call tracking in the past, but was never very impressed with any of the services from a technology or user experience standpoint. Plus, it was time to revisit the market to see what is the latest and greatest. The client was also using HubSpot, so I wanted something that would integrate. In a couple of Google sessions, a company called CallRail came up several…
