Moving to SIP is Easy­­­

Enterprises are looking for seamless interoperability with legacy systems. We enable integration of your critical business communication capabilities over a single IP connection, improving your collaboration and infrastructure efficiency.

Our SIP Trunking transforms how you do business helping drive productivity and efficiency by integrating diverse communication capabilities onto a single global platform.

The Benefits of SIP Trunking

2. GLOBAL REACH V2

GLOBAL REACH

 

Enterprise quality calling across the globe.

 

3. EASY TO INTEGRATE

EASY TO INTEGRATE

 

Seamlessly integrate with any mix of legacy telephony equipment.

4. RELIABLE

RELIABLE

 

High quality, secure, and always on.

5. COST EFFECTIVE

COST EFFECTIVE

 

Free office-to-office calls + a single global cost model.

Comprehensive Global Footprint

We offer a full suite of international services, including DIDs, toll-free, termination and emergency services, providing expansive reach on a global basis.

Our global, fully redundant and robust SIP-based network has been specifically designed to meet the demands of your bandwidth-intensive communication services.

Drives Cost Savings

SIP Trunking is capex-efficient and easily integrated with our SD-WAN, MPLS or Internet services, so 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 calling is simple, as calls are charged from a single, shared rate card for all sites.

Why GTT SIP Trunking?

  • 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.
Related Services

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A GTT sales representative will be in contact with you shortly.

Learn more about how GTT can help support your business collaboration, mobility and growth.

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+1 512 592 4858
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+1 703 442 5500
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