Built for Businesses That Depend on Voice

RTC ONE, powered by HostSBC, supports both internal communications and voice service resale, adapting seamlessly to how your business operates.

Why These Businesses Choose HostSBC

Across all segments, customers choose HostSBC for the same reasons:

Carrier-grade, reliable voice infrastructure

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Centralized control via RTC ONE

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Built for internal use and voice resale

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Global reach with expert support

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Bring Calling Into Teams

Main Features of Microsoft Teams Integration

Unified Calling

Make and receive business calls directly from Microsoft Teams on desktop and mobile devices.

Fast & Smooth Setup

Integrate quickly without changing or disrupting your existing phone system.

Ideal for Modern Teams

Perfect for companies already using Microsoft 365 and Teams for daily collaboration.

Secure Cloud Connectivity

Built on Microsoft Azure, ensuring reliable, secure, and carrier-grade voice services.

Remote & Distributed Ready

Enable seamless communication for remote, hybrid, and distributed workforces.

Expert Support Included

24/7 specialized support to assist with onboarding, configuration, and ongoing operations.

How Microsoft Teams Integration Works

Cloud Connection

Connect your current phone system to our cloud platform

Teams Integration

Link the platform with Microsoft Teams

Instant Calling

Configure calling, users, and extensions

Unified Monitoring

Monitor usage and performance from one dashboard

Need help? Request a Demo to see it in action.

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Businesses & Enterprises

Modern Voice Communications

RTC ONE supports businesses that want to move away from complex, hardware-based phone systems and adopt a modern, cloud-based approach.

Typical use cases include:

  • Centralized voice management across locations
  • Cloud-based calling for remote and hybrid teams
  • Integration with existing collaboration tools
  • Predictable and scalable communications

RTC ONE simplifies voice operations while maintaining enterprise-grade reliability.

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Service Providers & Resellers

Businesses Selling Voice Services

RTC ONE is built to support voice resale models.

Service providers and resellers use the platform to:

  • Offer phone numbers and voice services to end customers
  • Control and monitor consumed minutes
  • Manage multiple customers from one interface
  • Scale services without increasing operational complexity

RTC ONE enables you to operate voice services as a business, not just as a technical service.

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System Integrators & IT Companies

Tech Partners for Communications

System integrators and IT companies use RTC ONE as the voice layer within broader technology projects.

The platform allows integrators to:

  • Add voice services to customer solutions
  • Integrate with PBX, cloud, and collaboration platforms
  • Maintain centralized control and visibility
  • Reduce deployment and support overhead

RTC ONE fits naturally into multi-vendor environments.

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Microsoft Teams-Centered Organizations

Companies Using Teams

Organizations that rely on Microsoft Teams use RTC ONE to enable enterprise calling while preserving flexibility and control.

RTC ONE allows businesses to:

  • Enable PSTN calling within Teams
  • Maintain control of voice routing and usage
  • Avoid rigid, one-size-fits-all telecom models

This approach supports both internal use and customer-facing services.

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Growing & Multi-Location Businesses

Scalable Organizations

RTC ONE is ideal for businesses expanding across regions or markets.

The platform supports:

  • Multi-country phone numbers
  • Centralized configuration and control
  • Consistent voice quality across locations
  • Easy onboarding of new users or customers

Growth does not require re-architecting your communications.

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Is RTC ONE Right for Your Business?

If your organization depends on voice communications — whether to operate internally or to serve customers — RTC ONE provides the control, scalability, and reliability you need.

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