VOICE
Your Tier 1 Telephony Partner
Whether you’re migrating to cloud-based telephony or connecting your voice infrastructure over SIP, we have you covered. Our Voice services help you take advantage of the advanced functionality and cost efficiencies these solutions bring – all backed by the global reach of the GTT Tier 1, IP backbone that supports our SIP-based voice network.
The Benefits of
GTT Managed Networking

EXPANSIVE & SCALABLE NETWORK
Whether you’re migrating to cloud-based telephony or connecting your voice infrastructure over SIP, we have you covered. Our Voice services help you take advantage of the advanced functionality and cost efficiencies these solutions bring – all backed by the global reach of the GTT Tier 1, IP backbone that supports our SIP-based voice network.

GLOBAL
TELEPHONY FOOTPRINT
We offer one of the largest global footprints for DIDs, termination & toll-free services. We also provide emergency services in many countries.

DIVERSE TECHNOLOGIES & PLATFORMS
WHY GTT VOICE?
Diverse global communications services integrated onto one connection.
Interoperable with key UC platforms and legacy infrastructure. Supports direct routing to Microsoft Teams, Cisco Webex Calling & Zoom Phone.
Global SIP-based voice network, which includes industry-leading Session Border Controllers for easy scalability.
Comprehensive telephony footprint with DIDs in 55+ countries and toll free in 120+ countries.
Low latency global outbound calling using our IP backbone to deliver locally terminated calls.
Free office-to-office calls.
Our Voce Portfolio
Whether you’re migrating to cloud-based telephony or connecting your voice infrastructure over SIP, we have you covered. Our Voice services help you take advantage of the advanced functionality and cost efficiencies these solutions bring – all backed by the global reach of the GTT Tier 1, IP backbone that supports our SIP-based voice network.
Trunking SIP
Integrating diverse communication capabilities onto a single global platform.
Telefono cloud diretto
Global, scalable & High-Performing Enterprise Voice Services
Industria Approfondimenti
Esplorate la nostra collezione di video, ricerche, guide e altro ancora con approfondimenti preziosi sul nostro mondo in rete digitale.
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88%
