The company's platform uses in-country calls and a global network of servers and carriers to test the audio quality and connectivity of toll and toll-free numbers, offering a range of testing solutions for large enterprise customers, including manual, automated, mobile, and hybrid IVR testing. Spearline also provides IVR testing solutions to optimize customer experience and communications, and offers a global cloud-based infrastructure for on-demand resources for WebRTC tooling needs. With local infrastructure in over 70 countries worldwide, Spearline allows businesses to test their numbers wherever their customers are located.