SIP-Trunking

One Connection to Global Communication

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

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GLOBAL REACH

Enterprise quality calling across the globe.

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EASY TO INTEGRATE

Seamlessly integrate with any mix of legacy telephony equipment.

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RELIABLE

High quality, secure, and always on.

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COST EFFECTIVE

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

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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.

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Why GTT SIP Trunking?

Related Services

Cloud Phone Direct

Integrate your diverse communications by connecting to major cloud phone providers

SD-WAN

Transform your WAN with dynamic network traffic management

Dediziertes Internet

High-quality internet connectivity for enterprises, delivered on our leading Tier 1 IP network

MPLS

High-performance, secure connectivity for your global enterprise, backed by end-to-end SLAs

OUR GARTNER RATING

Gartner Peer Insights Reviews
4.2


62 Reviews

88%
as of the last 12 months

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