CLOUD CONNECTED PSTN (CCP)

Cisco Webex Calling with GTT

A trusted partner for Cisco Cloud Connected PSTN

Talk to a CCP Expert
Thank you for your information. One of our sales consultants will be in touch with you.

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.

Webex by Cisco logo

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

orange checkmark icon

Industry-leading Session Border Controllers in every continent make it easy to scale.

orange checkmark icon

Low-latency improves call quality due to local presence and termination.

Global coverage
Visibility & Transparency

Premium Service

orange checkmark icon

Full suite of communications services, including DIDs, toll-free, termination and emergency services.

orange checkmark icon

Carrier suite of national and international carriers.

orange checkmark icon

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

Australia Croatia Hungary New Zealand Spain
Austria Cyprus Iceland Norway Sweden
Belgium Czech Republic Ireland Peru Switzerland
Brazil Denmark Italy Poland United Kingdom
Bulgaria Estonia Latvia Portugal USA
Canada Finland Lithuania Romania
Chile France Luxembourg Singapore
Colombia Germany Mexico Slovakia
Costa Rica Greece Netherlands Slovenia

Industry Insights

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

Manufacturing Transformation Programs Don’t Fail on Technology

Organizations commit to massive manufacturing network modernization projects every year. They select solid platforms and approve the business case. The execution begins which is ...
View more

From Enthusiasm to Panic: How AI Forced a New Era of Security Leadership

Over the last two years, enterprises have raced to adopt AI. Organizations swiftly integrated new tools, automated processes and experimented with AI capabilities. The energy was undeniable. At conferences like RSA and other major security gatherings ...
View more

The Cloud Strategy Stalling Smart Manufacturing

Manufacturing went through a massive push to move everything to the cloud. Then it ran into the physical realities of the factory floor. Production ...
View more

The Access Problem Manufacturers Keep Underestimating

Ask a manufacturing IT leader about their biggest security concerns and you will likely hear about ransomware or regulatory pressure. While valid concerns, there ...
View more

Why Smart Manufacturing Investments Stall at the Network

Manufacturers actively invest in AI-assisted process control, predictive maintenance and digital twins. Most still get stuck. According to the 2025 Rockwell Automation State of ...
View more

Simplicity Is a Security Strategy…and an AI Readiness Plan

It’s been years, and it seems like enterprise teams are still getting the same advice: add another tool. Add another dashboard. Why not add ...
View more

How a Single Backbone Beats a Patchwork Network

Managing a global network often makes you feel forced to select between equally challenging options. You need to expand capacity to meet growing demand. ...
View more

What does it take to drive leadership in customer satisfaction?

Every year, Whitelane Research surveys thousands of CIOs/IT leaders across Europe to identify trends in IT sourcing and the top-performing IT/cloud service providers. Client ...
View more

Stop Wasting Unnecessary Time on Quotes. Start Winning Customer Confidence With Real-time Response.

Why Your Quoting Process Is Costing You Quick question: How much time do you lose chasing down configurations and pricing, waiting on manual quotes, ...
View more

Our Gartner rating

Gartner Peer Insights logo
GTT logo

Global WAN Services

4

 
 

.

As of 14 May, 2026

Let’s talk

Schedule a Consultation