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Whether you are migrating to a cloud-based telephony system or connecting your voice infrastructure over SIP, GTT has you covered. Our Enterprise Voice services help you take advantage of the advanced functionality and cost efficiencies these solutions bring, backed by the global reach of the GTT Tier 1, IP backbone that supports 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 DIDs, 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.