JDSU offers a complete range of testers for triple-play services turn-up, troubleshooting, and maintenance over leading-edge fiber- and copper-based digital subscriber line (DSL) Access networks. JDSU testers enable the efficient delivery of bundled voice-over-IP (VoIP), video (IPTV and HDTV), and IP data to the exacting demands of customers—delivering on both quality of service (QoS) and experience (QoE), while reducing operating expenses.