Heather Vale Goss of Performance Marketing Insider interviews Mike Williams, Network Manager of RingPartner. In this interview, the second of two parts, find out what niches and verticals click-to-call work the best in, what demographics it attracts, and how and when affiliates get paid. Also discover how much control you have in the campaigns you run or publish, and what kind of analytics you have access to. Mike gives some advice for getting the best results as a publisher, keeping in mind how mobile search affects what you do. He also explains the process for signing up, which of course includes a phone number.