Launch, Scale, and Monetize Global Voice —

Without Building Infrastructure

RTC ONE is the all-in-one communications platform that enables service providers and enterprises to deploy voice, messaging, and Microsoft Teams globally in days — not months.

Bullets:

  • Generate new revenue streams with white-label voice & messaging.
  • Reduce telecom costs by up to 40%.
  • Go live globally without carriers, contracts, or hardware.
  • Manage routing, billing, and customers in one platform.
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150+ Reviews

Technology, Operations, and Support Across Key Regions.

Built for Flexibility

One platform. Multiple ways to use it

A flexible platform designed for internal use or resale, with full control and no hardware dependency.

All-in-one cloud communications platform

Manage voice services, numbers, routing, and integrations from a single cloud-based platform.

Flexible use: internal or resale

Use RTC ONE for your own operations or resell voice services to your end customers under your business model.

Work from any device, no hardware required

Access the platform from laptops, desktops, or mobile devices without on-premise equipment or complex setups.
What Can You Do With RTC ONE

Built for How Businesses Really Work

Use cases

Use RTC ONE inside your company for daily communications.

Connect your phone system to Microsoft Teams.

Make and receive calls from anywhere.

Resell phone numbers and voice services to your customers.

Manage usage, routing, and billing from one platform.

Why HostSBC

A Trusted Communications Partner

HostSBC has delivered reliable business communications solutions for over 14 years, supporting customers worldwide with secure infrastructure, expert support, and services that scale as they grow.

+14 years of industry experience

2h 20m

Average time you spent per day

Global customers

Secure, cloud-based infrastructure.

24/7 expert support

Proven experience in real-world telecom operations.

Proven experience in real-world telecom operations

Core Communication Services

Everything in One Place

Microsoft Teams Integration

  • Make and receive phone calls directly from Microsoft Teams.
  • Keep your existing PBX or SIP provider while adding cloud calling to Teams.

    • SIP Trunking

  • Connect your phone system to our secure global network.
  • Scale capacity on demand and pay only for what you use.

    • Phone Numbers (DIDs) & Voice Traffic

  • Local and international phone numbers available worldwide.
  • High-quality voice traffic with transparent usage-based pricing.

    • Worldwide SMS & Messaging

  • Send and receive SMS globally using reliable carrier connections.
  • Ideal for notifications, alerts, authentication, and customer engagement worldwide.

    • Global Carrier Connectivity

  • Access a worldwide network of trusted carriers through a single platform.
  • Ensure high-quality routes, stable connections, and competitive international rates.

    • White-Label SaaS Platform

  • Use RTC ONE with your own brand, domain, and customer portal.
  • Perfect for service providers and companies offering communications services.
    • Who Is This For

    Designed for Growing Businesses and Service Providers

    Turn your network into a revenue engine.

    • Launch VoIP, SIP, and messaging services fast.
    • White-label everything under your brand.
    • Control routing, pricing, and margins.
    Grow Your Telecom Business

    Simplify global communications. Reduce cost. Improve reliability.

    • Microsoft Teams voice enablement.
    • Global numbers + SIP connectivity.
    • One vendor instead of five.
    Optimize Your Communications
    Trusted by

    Telecom providers and enterprises worldwide

    See exactly how RTC ONE can grow your revenue or reduce your costs.

    14+ years in telecom infrastructure.

    Global coverage across 3+ countries.

    10 Millions of minutes processed monthly.

    Grow Your Telecom Business

    How It Works

    Create Your Account

    • Sign up in minutes and get instant access to the RTC ONE platform.

    Configure Your Services

    • Choose and set up the services you need.

    Test the Platform

    • Explore features in a live environment

    Go Live and Scale

    • Launch and grow as your business grows

    See RTC ONE in Action

    Explore the platform, test the features, and see how RTC ONE can simplify your communications.

    If you like what you see, book a call with our team.

    Try the Platform
    Talk to Sales