Whether you are migrating to a hosted PBX or connecting your voice infrastructure over SIP, GTT has you covered. Our Voice services help you take advantage of the advanced functionality and cost efficiencies of cloud-based service delivery, backed by the global reach of our SIP-based voice network.
GTT’s global voice network includes redundant points of presence per region worldwide, where we interconnect with leading regional and global carriers.
We offer one of the broadest footprints for DDIs, termination services and toll-free services around the world, helping you to easily expand your reach. We also offer emergency services in select countries around the world, as well as in-country voice testing in over 100 countries and territories.
Our robust SIP-based network is interoperable with major UC platforms, including Microsoft, Avaya, Cisco, ShoreTel and Siemens. We also provide flexible access options for your service, including public IP and private network access technologies such as GTT SD-WAN.