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Overview

Calling plans to meet your organization’s needs

Integrate your on-premises private branch exchange (PBX) or take a hybrid approach to optimize the value of your previous investments while moving to the cloud. Our Cloud Voice solution provides the connection between your modern workplace and important business services.

We provide simple, flexible calling plans tailored to meet your global cloud VOIP needs, adhering to all global regulatory compliance requirements.

DIGITAL COLLABORATION AND CX

The buyer’s guide to Operator Connect: Eleven considerations before you select your Operator Connect partner

Download the e-book
Key outcomes

Key outcomes

Universal and interoperable

Our Cloud Voice services remain the same, regardless of the communications systems used.

Simplified management

Scalable services to support your growth. Reduce the complexity of managing multiple carriers by consolidating contracts, billing, infrastructure and support.

Global

Calling plans are available in 39 countries with data centers in the Americas, Asia and Europe.

Cost-effective

With competitive pricing and low entry costs in all covered geographies, we offer four calling plans to suit your calling needs. 

Quality and reliability

Our ultra-fast, resilient, wholly-owned network backbone is ranked as a Top 5 Global IP Backbone.
Success stories
See the connection: NTT, Microsoft and University College London

Connecting educators to deliver better learning outcomes

Partnering with Microsoft, we enabled UCL, with 13,000 staff and over 40,000 students, to consolidate their communication and collaboration platform into a simpler yet more powerful and cost-effective solution.
Get the University College London story
See the connection: NTT DATA and Jensen Hughes

Jensen Hughes saves 50% with Cloud Voice 

We worked with Jensen Hughes to replace their outdated productivity infrastructure with a Microsoft Teams solution that greatly improved communication and reduced costs.
Read the Jensen Hughes story
See the connection – NTT and Paradigm

Adding calls to Microsoft Teams to replace legacy phone systems

As a global building industry technology provider, Paradigm needed help to leverage their existing Teams licence, simplify their telephony and enable significant cost savings.

Get the Paradigm story
See the connection: NTT and Florida Crystals

Enabling effortless collaboration with Microsoft Teams

US-based Florida Crystals sought an experienced technology partner to help them improve employee collaboration and connect disparate communication tools. We enabled the transformation to a complete unified communications solution. 
Get the Florida Crystals story
Related service
Partners

Partners

Cisco
Microsoft

Why NTT

39

Countries with access to full PSTN replacement 

Top 5 

Global IP backbone (ranked by CAIDA’s ASRank)

190+ 

Countries leverage our network services 

99.99% 

Guaranteed service availability

Operator Connect by NTT

Enable user numbers and call plans in Microsoft Teams with carrier-grade telephony and support services. 
Learn more
Insights

Related insights and resources

The buyer's guide to Operator Connect
Operator Connect brochure
A beginners guide to Cloud Voice
Read more
What is Cloud Voice Part 1
Read more
What is Cloud Voice Part 2
Read more
Global Voice Design Workshop
Read the data sheet
Microsoft Teams Calling Workshop
Read the data sheet
DIGITAL COLLABORATION AND CX
Why choose NTT for Operator Connect?
Read more
DIGITAL COLLABORATION AND CX
Telephony in Microsoft Teams: Operator Connect vs. Direct Routing
Read more
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