GTT Communications SIP Trunking

by GTT Communications

Unifying communications

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Flexible & Interoperable

SIP Trunking offering is interoperable with all major UC platforms and can be seamlessly integrated with legacy equipment. Thanks to GTT’s direct peering with Microsoft, we can deliver dedicated SIP trunks to a client’s Microsoft Teams service. Clients will benefit from the lowest latency connectivity between GTT’s voice network and Microsoft Office 365.

Comprehensive Global Footprint

  • GTT offers a full suite of international services, including DIDs, toll-free, termination, and emergency services, providing expansive reach on a global basis. A global, fully redundant, and robust SIP-based network has been specifically designed to meet the demands of bandwidth-intensive communication services.

Drives Cost Savings

  • SIP Trunking is Capex-efficient and easily integrated with GTT SD-WAN, MPLS, or Internet services thereby eliminating the need for public switched telephone network (PSTN) gateways and ISDN BRIs or PRIs. The service also reduces local and long-distance costs as site-to-site calling is included at no charge. Managing outbound calls is simple, as calls are charged from a single, shared rate card for all sites.

Why GTT as a SIP Trunking Provider?

  • Free office-to-office calls on-premises.
  • Low latency global outbound calling using our IP backbone to deliver locally terminated calls.
  • Global outbound calling – voice platform utilizes GTT’s global IP backbone to deliver low latency calls terminated locally.
  • Comprehensive telephony footprint with DIDs in 55+ countries and toll-free numbers in 120+ countries.
  • Global SIP-based voice network includes industry-leading Session Border Controllers for easy scalability.
  • Interoperable with key UC platforms and legacy infrastructure. Supports direct routing to CRM platforms, Microsoft Teams, Cisco Webex Calling & Zoom Phone apps for video conferencing and instant messaging.
  • Diverse global communications services integrated into one cloud-based connection. Eliminate the need for landlines.