Operator Connect

Operator Connect for Microsoft Teams

Bringing PSTN calling to Microsoft Teams

Colt and Microsoft have been working closely to offer our customers a best-in-class and modern calling experience underpinned by agile, high bandwidth connectivity with Operator Connect from Colt you can benefit from flexible and competitive calling tariffs and a single provider for multi-country coverage along with simple setup and management, reduced infrastructure and management costs, enhanced support and reliability all through your Teams Admin portal.

Microsoft Operator Connect is a new operator-managed service that brings PSTN calling to Teams. It allows you to acquire Colt´s enterprise-grade Cloud Voice Services directly through Teams with a fully managed and integrated experience including:
• Increased technical support from the resources of both Colt and Microsoft
• Quality service level agreements
• Enhanced reliability through direct peering powered by Microsoft Azure which creates a 1:1 network connection, exchanging traffic directly between networks

Why Operator Connect


  • Extensive coverage in 20 European countries


  • Simple procurement and no on-site intervention

Regulatory Compliance

  • Regulatory Compliance in all our geographic regions, saving you time and complexity

One Stop Shop

  • A single point of contact and contract across all Colt voice countries


  • Guaranteed High Level performance


  • The highest degree of security, led by our expert cybersecurity team


  • Flexible and scalable tariffs


  • 24 x 7 end to end support


  • Maintain existing contracts

    You can continue with your existing contracts and relationship with Colt while enabling calling on Teams

  • Reduced infrastructure and management costs

    Accelerated and simplified managed PSTN calling in Teams but without the need to host any hardware on-premises or in a data centre

  • Simple set up and management

    All in one place directly through the Teams Admin Centre

  • Reliability

    Enhanced reliability and quality of service.