Operator Connect provided by NTT

The simplest way to enable calling in Microsoft Teams

You have invested in M365 and selected Teams as your main communication and collaboration Application/solution/service.

Operator Connect provides seamless, integrated calling using NTT's high quality and reliable voice backbone. You can now quickly and easily enable user numbers and call plans directly in Microsoft Teams, within the Administration Portal.

What you get from Operator Connect with NTT

With Operator Connect, provided by NTT, you will get access to carrier-grade telephony and support services, from a single provider:

Telephony Services

  • User phone numbers in 30+ countries
  • A selection of flexible call plans, to meet your requirements
  • 99.99% availability
  • Emergency Call Services


Quick and simple management

  • Advanced call quality and service availability metrics from NTT, allowing you monitor quality of experience for your users


First-class support

  • NTT Support Services are included and provide ongoing support required for maintenance and upgrades to ensure the best possible experience

Operator Connect provided by NTT, delivering more than Integrated Voice

Cloud Deployment Framework

We use our Cloud Deployment Framework approach, founded on 10+ years' experience in Voice migration, to plan and design your transition to Cloud Collaboration and Communication with Operator Connect, whilst delivering the best possible employee experience.

As one of the first global partners to launch Calling Plans for Teams and over 500 Microsoft certified professionals, we provide an end-to-end service for your users and your IT teams.

Included Support Services

  • We supplement and support internal IT staff knowledge and capabilities
  • We provide a single point of contact, including access to our connected Microsoft support
  • We manage and monitor your calling and meetings environment

These Support services are included within the NTT Operator Connect voice and conferencing plans

Customize and enhance your solution

We offer many additional capabilities to support your full voice and conferencing needs while making sure you only pay for what you use. These include:



Want to learn more about the different possibilities of deploying calling in Microsoft Teams?