Voice
Your global enterprise requires reliable communications to support a multi-location workforce and drive strategic growth
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Modernize your global telephony infrastructure
Legacy voice systems drain IT budgets and limit your employees in ways that show up daily: dropped or restricted international calls, no unified dial plan across offices, and collaboration tools that never quite sync with the phone system. Whether you’re running an aging on-premise PBX or have already moved to a hosted PBX or UCaaS platform, the underlying network often can’t keep pace with growth initiatives, and that’s where a transition to Cloud Phone and SIP makes the difference.
GTT transforms your enterprise voice architecture from a fragmented liability into a unified strategic asset. We consolidate your global telephony onto a single network to ensure consistent performance and strict security compliance. Gain the clarity and control needed to reduce operational costs and empower your teams to collaborate securely from any location.
The hidden costs of legacy voice systems
Fragmented communications
Hosted PBX and UCaaS providers can hand you a dial tone anywhere in the world, but they don’t control the network carrying that call. Voice quality across regions depends on the underlying network, and that’s where most providers fall short. Your IT team wastes valuable time managing multiple vendors and troubleshooting inconsistent call quality across different locations.
The cost
- This lack of consolidation leads to inflated operational expenses and decreased employee productivity. Your business pays for inefficiency while critical communications fail.
Security and compliance risks
Outdated telephony infrastructure lacks the advanced security controls required to protect sensitive corporate data. Visibility gaps make it nearly impossible to enforce uniform compliance standards across a global footprint.
The cost
- These vulnerabilities expose your enterprise to regulatory fines and costly data breaches. Your leadership team operates without the assurance that internal and external communications remain secure.
Scalability limitations
On-premise PBX hardware requires significant capital investment and physical maintenance. These systems cannot adapt quickly to support new business initiatives or a sudden shift to remote work.
The cost
- This inflexibility stifles innovation and delays growth goals. You lose your competitive advantage when your infrastructure cannot keep pace with market demands.
Voice solutions that drive business outcomes
A modern enterprise voice solution delivers measurable impact across productivity, cost management and risk reduction.
Our Voice Services portfolio
SIP Trunking
Integrate diverse communication capabilities onto a single global platform. Connect your existing PBX infrastructure to our global IP network to reduce hardware dependencies and lower your total cost of ownership.
Cloud Phone Direct
Enable secure and controlled voice access for your hybrid workforce. Get direct routing for all major platforms to ensure high-performance enterprise voice services anywhere.
Virtual Voice Network
Expand your global voice footprint without making large upfront infrastructure investments. Gain direct inward dialing numbers in more than 55 countries and toll-free services in over 120 countries to support your international growth.
The GTT advantage for Voice
We believe in building empathy before expertise to align our solutions with your specific business challenges. GTT delivers a centralized voice infrastructure that provides end-to-end visibility and simplified billing. Replace your operational headaches with clear reporting and definitive action.
Our global SIP-based network connects directly to your existing on-premise PBX or Unified Communications platform through SIP trunking, reducing hardware dependencies without disrupting existing workflows. For enterprises ready to move off hosted PBX entirely, GTT delivers a fully managed voice service built on that same high-performing network, with direct routing for Microsoft, Google and other major platforms.
Frequently asked questions
How does GTT ensure voice network security?
We integrate advanced security protocols directly into our SIP network architecture. Our continuous monitoring and proactive threat detection ensure your communications remain protected against unauthorized access. We provide the detailed reporting required to satisfy regular compliance audits.
Can your voice services integrate with our current platforms?
Yes. Our voice solutions are completely interoperable with major Unified Communications platforms including Microsoft, Google, Avaya and Cisco. We ensure a seamless transition without disrupting your daily operations.
How quickly can you scale voice services for new international offices?
We align our deployment schedule with your specific business goals. Our extensive global footprint allows us to provision new numbers and services efficiently across your entire geographic footprint.
Our Gartner rating
Simplify your global communications
Stop wasting resources on vendor management and reactive troubleshooting. Partner with GTT to secure your enterprise voice network and drive measurable business outcomes.