The VoIP access and SIP trunking market remains on pace to become the default connection between on-premises customer platforms and the public switched telephone network (PSTN).The study discusses market drivers and restraints, as well as market and technology trends. It also provides market share analysis. In addition, we have identified 11 growth opportunities for North American IP-based voice access providers. These opportunities span vision, strategy, products, services, business models, marketing, partnerships, sales, and support initiatives. This research enables service providers to review existing growth opportunities and determine which best apply to their own business.