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Microsoft Teams Phone System for Businesses: Direct Routing & VoIP Integration

Integrate your business telephony with Microsoft Teams and make or receive calls directly from Teams. With modulus Microsoft Teams Direct Routing, your business can use local phone numbers, retain existing numbers, and transform Microsoft Teams into a complete business phone system without relying on Microsoft Calling Plans.

 

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Εργαζόμενος συμμετέχει σε επαγγελματική βιντεοκλήση μέσω φορητού υπολογιστή, χρησιμοποιώντας ακουστικά με μικρόφωνο, αναδεικνύοντας τη συνεργασία εξ αποστάσεως, τις ενοποιημένες επικοινωνίες και τις λύσεις τηλεφωνίας μέσω Microsoft Teams.

Certified VoIP Provider for Microsoft Teams Direct Routing in Greece

With extensive experience and expertise in VoIP and Microsoft Teams solutions, modulus offers local business phone numbers, SIP Trunk services, and complete telephony integration within Microsoft Teams. Businesses can make and receive calls directly through Teams using modulus' reliable VoIP infrastructure without requiring additional telephony hardware or separate communication platforms.
With carrier-grade infrastructure and Tier-1 carrier interconnections, modulus delivers high availability, premium voice quality enterprise-grade voice quality, and secure business communications for organizations of all sizes.

 

User accessing Microsoft Teams on a smartphone with integrated VoIP telephony for business communications.

Key Benefits

  • Local phone numbers inside Microsoft Teams

  • Number portability from existing providers

  • Business calls to landlines and mobile numbers through Teams

  • Unified communications and collaboration in a single platform

  • Reduced communication costs

  • Dedicated local technical support.

Business team collaborating with Microsoft Teams and integrated VoIP telephony in a modern office.

What is Teams Direct Routing?

Direct Routing is a technology that allows Microsoft Teams to connect to the public telephone network through an external VoIP provider. Instead of purchasing Microsoft Calling Plans, businesses can connect Teams directly to modulus VoIP services and benefit from local phone numbers, greater flexibility, and lower telecommunications costs.

With Teams Direct Routing you can:

  • Make and receive calls directly from Microsoft Teams

  • Use local business phone numbers

  • Keep your existing phone numbers through number portability

  • Unify telephony and collaboration in one platform

  • Reduce overall communication costs.

How modulus Integrates VoIP Telephony with Microsoft Teams

modulus provides Microsoft Teams VoIP Integration through Direct Routing.

This allows businesses to use modulus VoIP infrastructure, including local phone numbers and SIP Trunk services, directly within the Microsoft Teams platform while fully integrating business telephony and collaboration capabilities.

Our team handles:

  • Direct Routing configuration

  • Phone number provisioning

  • Number portability

  • Public telephone network connectivity

  • Ongoing technical support and monitoring.

 

Employees can make and receive business calls directly through Microsoft Teams from any location.

Local Phone Numbers Directly Inside Teams Without Microsoft Calling Plans

Yes. With modulus Teams Direct Routing, users can make and receive calls using local phone numbers directly within Microsoft Teams without requiring Microsoft Calling Plans.

The service supports:

  • New local business phone numbers

  • Existing number portability

  • Geographic and non-geographic numbers

  • The same business number across office and remote environments

  • A unified communication experience for the entire organization.

What Do You Need to Use Teams as a Business Phone System?

To use Microsoft Teams as a complete business phone system, you will need:

  • A Microsoft 365 or Microsoft Teams Phone license

  • Teams Direct Routing connectivity

  • Business phone numbers

  • Reliable internet connectivity

  • Deployment and configuration by a specialized provider

 

The modulus team manages the entire implementation, configuration, and activation process, ensuring a smooth transition with minimal disruption to your business operations.

Step by step

Deployment Process

1. Requirements Assessment

We evaluate your organization's communication requirements and design the most suitable Microsoft Teams Direct Routing solution.

 

2. VoIP Service Activation

We provision new phone numbers or manage the porting of your existing business numbers to modulus.

 

3. Microsoft Teams Integration

We configure Direct Routing and connect Microsoft Teams to the modulus VoIP infrastructure.

4. Testing and Go-Live

We perform service validation, call testing, and deliver a fully operational solution ready for production use.

 

Direct Routing vs Microsoft Calling Plans: Which Option is Right for Your Business?

Microsoft Teams can connect to the public telephone network through either Microsoft Calling Plans or Direct Routing. For most businesses, Direct Routing provides greater flexibility, better cost control, and the ability to leverage existing telephony infrastructure.

Feature modulus Teams Direct Routing Microsoft Calling Plans
Local phone numbers Limited availability
Number portability Limited
Local technical support
Customization flexibility
Existing VoIP infrastructure support
Cost control Moderate
Local provider support

Why Choose modulus for Microsoft Teams Direct Routing?

VoIP & Business Telephony Expertise

modulus has extensive experience delivering advanced VoIP and business communication solutions for organizations across multiple industries.

Carrier-Grade Infrastructure

Our services are powered by highly available infrastructure and direct interconnections with leading international telecommunications carriers.

Dedicated Technical Support

Our support team is based locally and provides assistance throughout implementation and ongoing service operation.

Scalability & Flexibility

The solution can be adapted to the needs of small businesses, growing organizations, and large enterprises, allowing seamless expansion as communication requirements evolve.

Pricing & Consultation

Every Microsoft Teams Direct Routing deployment is tailored to the unique communication requirements of each organization

modulus provides:

  • Business phone numbers

  • Microsoft Teams integration

  • SIP Trunk services

  • Number portability

  • Technical support and monitoring.

 

Contact our team for a personalized proposal and a free assessment of your communication requirements.

Woman joining a video call on a smartphone while wearing wireless earbuds.
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Let's design the right solution for your business.

Connect VoIP telephony with your business tool ecosystem:

Integrations with Communication & Collaboration Platforms

Elevate your team’s communication.

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Integrations with CRM & Communication Platforms

Your CRM as a central communication hub.

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Integrations with AI Voice & Conversational Platforms

Turn your AI platforms into communication channels.

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Ecommerce messaging and SMS automation integration

Integrations with Ecommerce Messaging & Automations

Automate messaging & notifications.

 

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Frequently Asked Questions

Yes. With modulus Teams Direct Routing, users can make and receive calls using local phone numbers directly within Microsoft Teams without requiring Microsoft Calling Plans. modulus handles the complete technical setup and configuration.

Yes. modulus provides VoIP integration with Microsoft Teams through Direct Routing. This allows businesses to use modulus VoIP infrastructure, including local phone numbers and SIP Trunk services, directly within the Teams client.

modulus is a certified VoIP provider offering Microsoft Teams Direct Routing services for businesses in Greece. Through carrier-grade infrastructure and interconnections with Tier-1 carriers, modulus delivers reliable, high-quality calling services within Microsoft Teams.

Direct Routing is a method that allows Microsoft Teams to connect to the public telephone network through an external VoIP provider. Instead of purchasing Microsoft Calling Plans, organizations connect Teams directly to modulus VoIP services.

Yes. Businesses require an appropriate Microsoft 365 or Microsoft Teams Phone license depending on their communication requirements.

Yes. With modulus Teams Direct Routing, users can place and receive calls to landline and mobile networks directly from Microsoft Teams.

Direct Routing offers greater flexibility, support for existing VoIP infrastructure, and more customization options. Operator Connect is Microsoft's alternative connectivity model with a different deployment and management approach.

modulus delivers Teams Direct Routing services through carrier-grade VoIP infrastructure with high service availability, continuous monitoring, and dedicated technical support.

Yes. Depending on the solution architecture, businesses can use the same professional phone number both within Microsoft Teams and through their office telephony system.