CLOUD CONNECTED PSTN (CCP)
Cisco Webex Calling with GTT
A trusted partner for Cisco Cloud Connected PSTN
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Global, Scalable & High-Performing Enterprise Voice Services
Combine Cisco’s full Cloud Webex Calling Service with SIP Trunking from GTT to transform your business. Webex calling and collaboration will help drive productivity and efficiency by integrating diverse communication capabilities onto a single global platform. GTT Enterprise Voice supports PSTN calling, global termination, DIDs in over 55 countries and emergency services.
High-Performing & Secure
Complete Solution
Your solution delivered end-to-end on GTT’s global Tier 1 IP backbone
Flexible & Scalable
Scalable, fully redundant & robust SIP-based network designed to meet the demands of bandwidth-intensive communication services.
Secure & Reliable
Secure and reliable network manged by GTT’s network operations centers across the world
Global & Low-Latency
Industry-leading Session Border Controllers in every continent make it easy to scale.
Low-latency improves call quality due to local presence and termination.
Premium Service
Full suite of communications services, including DIDs, toll-free, termination and emergency services.
Carrier suite of national and international carriers.
National voice services supported by locally connected interconnects.
Highly Cost-Effective Service With a Single Rate Card
Truly Global
Full coverage international and national capabilities
Cost Effective
Usage-based calling model.
User-Friendly
Simple rating structure makes it easy to manage costs
GLOBAL Availability
With GTT’s managed services, eliminate resource and time constraints and reduce CapEx. Choose from Enterprise, Premium, or Standard tiers for the right mix of service levels and co-management options
| Austria | France | Portugal |
| Belgium | Germany | Romania |
| Brazil | Greece | Slovakia |
| Bulgaria | Hungary | Slovenia |
| Canada | Ireland | Spain |
| Croatia | Italy | Sweden |
| Cyprus | Lithuania | Switzerland |
| Czech Republic | Mexico | United Kingdom |
| Denmark | Netherlands | USA |
| Estonia | Norway | Poland |
| Finland |
Industry Insights
Explore our collection of videos, research, guides and more with invaluable insights into our digitally networked world.
Top Cybersecurity Trends of 2025: What You Need to Know
In 2024, cybersecurity is a critical concern for businesses of all sizes. As global data breaches increase by 72% in 2023 alone, the consequences ...
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What is Network and Security as a Service (NSaaS) and How Does it Benefit Your Enterprise?
As the cybersecurity landscape evolves rapidly, businesses face a dual challenge: managing increasingly complex networks while safeguarding against emerging threats. Networking and Security as ...
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Why Managed Services Make Sense for a SASE Framework
The co-managed option helps companies solve their challenges, while upskilling internal teams and improving performance. GTT’s latest research-based white paper, Trends and Solutions for ...
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The Big Takeaway: 97% Say Cybersecurity & Network Integration is the Logical Next Step
When it comes to SD-WAN and SSE, as well as cybersecurity and networking teams, integration provides a range of benefits across the enterprise. GTT’s ...
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5 Common Ways Cybercriminals Spread Malware (and How To Outsmart Them)
There are currently around 1.2 billion malicious programs and potentially unwanted applications in existence, with threat actors deploying an average of 200,454 unique malware ...
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How is ESG part of working at GTT?
At GTT, we are passionate about supporting people – and it is that passion that drives our commitment to enhancing and growing our environmental, ...
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Unlocking My Full Potential: The Power of Training, Mentoring and Learning at GTT
In a world where the pursuit of personal and professional excellence is a constant endeavor, I’m proud to work at GTT. Its mentoring and ...
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DDoS Attacks in the First Half of 2024
Recent DDoS attacks including the Port of Seattle and Microsoft are showing that Cybercriminals are becoming more bold and attacking organizations regardless of size ...
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How to Choose The Right SD-WAN Managed Service Provider for Your Business
Many factors can influence an enterprise's decision regarding which MSP to work with for SD-WAN, SSE and a SASE framework. But most agree on which ...
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