Voice and Unified Communications

Redefine How Your Enterprise Communicates and Collaborates

Whether you are migrating to a hosted PBX, expanding your global call center capabilities or connecting your voice infrastructure over SIP, GTT has you covered. Our Voice services help you to take advantage of the advanced functionality and cost efficiencies of cloud-based service delivery, backed by the global reach of our SIP-based voice network.


Comprehensive Global Footprint

Termination

countries and territories

DIDs

countries

Toll free

countries and territories

Our Voice and Unified Communications Portfolio

SIP Trunking

SIP Trunking

Integrate diverse communications with our redundant SIP Trunking offering.

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Enterprise PBX

Enterprise PBX

Work anywhere with cloud-based voice services and enterprise calling features.

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Call Center Services

Call Center Services

Flexible call center capabilities that include intelligent routing and multichannel communication.

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The GTT Difference

Expansive, Highly Scalable Network

Expansive, Highly Scalable Network

GTT’s global voice network includes redundant points of presence per region worldwide, where we interconnect with leading regional and global carriers. Our architecture includes the latest-generation Sonus Session Border Controllers, which can support up to 636,000 total calls, with the ability to scale as needed.

Comprehensive Global Telephony Footprint

Comprehensive Global Telephony Footprint

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 105+ countries and territories.

Support for Diverse Technologies and Platforms

Support for Diverse Technologies and Platforms

Our robust SIP-based network is interoperable with major UC platforms including Microsoft Lync, Avaya, Cisco, ShoreTel and Siemens. We also provide flexible access options for your service, including public IP and private network access technologies (Ethernet and MPLS).

DATA SHEET

Voice and Unified Communications

Optimize collaboration across your business with our suite of cloud-based voice services.

DATA SHEET

SIP Trunking

Take your voice network to the next level and expand communication globally.

DATA SHEET

Enterprise PBX

Take advantage of full PBX functionality delivered from the cloud.

CASE STUDY

Equus Capital Partners

Equus Capital Partners, Ltd. improved company communications & reduced spending with GTT’s SIP Trunking & Enterprise PBX.

Learn more about how GTT can help your enterprise propel
collaboration, mobility and growth.