This document discusses wireless backhaul from the perspective of a CABS user. It defines wireless backhaul as the part of the mobile communications network that interconnects cell towers with carrier networks and the Internet. It notes trends showing growing demand and spending on backhaul switching and transport equipment from 2012 to 2016. It discusses products for wireless backhaul including TDM, Ethernet, microwave and fiber optic facilities. It also covers challenges for CABS billing of wireless backhaul including non-standard circuit IDs and site information, as well as the need for creative solutions, streamlined processes, and competitive pricing to support the mobile backhaul market.