Support

We're Here to Support You

With every interaction, we aim to be easy to work with and to connect you to the right people at the right time. There should be no surprises. See our guides below and our customer portal for more information on how we support you.

Quick Guides

What to expect when working with us.

MEET YOUR TEAM

Learn about your partners and how they guide you through your GTT journey.

THANK YOU FOR YOUR ORDER

Let’s start building your service together.

GET TO KNOW ENVISIONDX

Introduction to our customer portal and the features it offers.

YOUR SERVICE IS NOW LIVE

Learn how our NOC is ready to support you.

GET TO KNOW YOUR INVOICE

Become familiar with your invoice format & other important information.

TELL US HOW WE'RE DOING

We want to hear from you, here’s how we do that.

PROFESSIONAL SERVICES

Here’s how to add some experts to your team.

SERVICE TERMINATION

While we never want to see you go, learn how easy our disconnect process is.

ENVISIONDX is GTT’s Customer Service Management Portal

What is ENVISIONDX?

TICKETS

View and manage your tickets using a simple ticket overview grid, updated in real time which is sortable and searchable. Open tickets from multiple locations including the tickets page, the monitoring map and your active services list.

MONITORING

See a global view of your sites, color-coded for issue categorization. Drill down to specific sites to see detail and export status to a file. Set custom thresholds and alert criteria for your individual sites and use the portal to see your network statistics reports.

ORDER MANAGEMENT & QUOTING

View your order details, current order status, important dates, and access your project manager information, all from one place. You can also use the portal to request additional services from your account team.

BILLING INFORMATION

View your invoices from current and prior periods and initial billing inquiries and disputes online.

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

Contact Us

Industry Insights

Explore our collection of videos, research, guides and more with invaluable insights into our digitally networked world.

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Navigating the Surge: Effective Strategies for DDoS Mitigation in 2025 and Beyond

Distributed Denial of Service (DDoS) attacks continue to pose a significant threat to organizations worldwide, with a notable increase in frequency and sophistication from ...
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E-commerce Security: How to Protect Your Business from Cyber Threats

E-commerce success depends on trust, speed and seamless transactions. But cybercriminals are constantly working to undermine all three. Online retailers face escalating attacks, from ...
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Mitigating Risk with Secure Network Services

Securing your network is more challenging and important than ever. Enterprise environments are always on, always connected, and often spread across the globe global ...
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What Is DDoS Mitigation and How Does It Protect Your Business?

Cyberthreats are more sophisticated than ever, and Distributed Denial-of-Service (DDoS) attacks are among the most disruptive. These attacks flood websites, networks, or applications with ...
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SD-WAN Performance Metrics That Matter

Many enterprises rely on SD-WAN to improve application performance, ensure network security and optimize costs. Whether you’re a financial services firm needing secure, real-time ...
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SD-WAN Architecture Explained

Traditional WANs have long supported enterprise connectivity, but as businesses expand across locations, adopt hybrid work, and migrate to the cloud, new demands are ...
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Cloud Integration Capabilities of SD-WAN

As businesses increasingly shift operations to the cloud, seamless connectivity is critical. SD-WAN (Software-Defined Wide Area Networking) simplifies cloud integration while optimizing network performance, ...
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Security Considerations in SD-WAN Deployment

SD-WAN is reshaping enterprise connectivity by delivering greater agility, performance and control. As organizations embrace this transformation, security remains a critical focus, especially when ...
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How to Shift to NSaaS Without Disrupting Operations

Keeping pace with evolving attack methods and securing every access point takes time, talent and continuous investment. That’s why more organizations are turning to ...
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Our Gartner Rating

Global WAN Services

4

.

Recommended

As of 2 July, 2025

Support

We're Here to Support You

Quick Guides

MEET YOUR TEAM

THANK YOU FOR YOUR ORDER

GET TO KNOW ENVISIONDX

YOUR SERVICE IS NOW LIVE

GET TO KNOW YOUR INVOICE

TELL US HOW WE'RE DOING

PROFESSIONAL SERVICES

SERVICE TERMINATION

ENVISIONDX is GTT’s Customer Service Management Portal

What is ENVISIONDX?

TICKETS

MONITORING

ORDER MANAGEMENT & QUOTING

BILLING INFORMATION

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

Industry Insights

Navigating the Surge: Effective Strategies for DDoS Mitigation in 2025 and Beyond

E-commerce Security: How to Protect Your Business from Cyber Threats

Mitigating Risk with Secure Network Services

What Is DDoS Mitigation and How Does It Protect Your Business?

SD-WAN Performance Metrics That Matter

SD-WAN Architecture Explained

Cloud Integration Capabilities of SD-WAN

Security Considerations in SD-WAN Deployment

How to Shift to NSaaS Without Disrupting Operations

Our Gartner Rating

4

.

The Platform

Platform Services

Industries

About GTT

Resources

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