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Microsoft Teams Phone Systems

Turn Microsoft Teams into a fully functional business phone system.

Talk to our Teams experts

What is a Microsoft Teams phone system?

A Microsoft Teams phone system allows your business to make and receive external calls directly within Microsoft Teams, turning it into a complete business communication platform.

Instead of using separate phone systems, Teams becomes your central hub for calls, messaging and collaboration. Users can make and receive calls from their existing Teams interface, whether on desktop, mobile or compatible desk phones.

There are multiple ways to enable calling within Teams, from Microsoft calling plans to direct routing and operator connect. Each option comes with different levels of flexibility, cost and control.

We help you understand those options, compare providers and choose the right Teams phone options for your business.

Talk to our Teams experts

What is a Microsoft Teams phone system?

A Microsoft Teams phone system allows your business to make and receive external calls directly within Microsoft Teams, turning it into a complete business communication platform.

Instead of using separate phone systems, Teams becomes your central hub for calls, messaging and collaboration. Users can make and receive calls from their existing Teams interface, whether on desktop, mobile or compatible desk phones.

There are multiple ways to enable calling within Teams, from Microsoft calling plans to direct routing and operator connect. Each option comes with different levels of flexibility, cost and control.

We help you understand those options, compare providers and choose the right Teams phone options for your business.

Talk to our Teams experts

The benefits of a Microsoft Teams phone system

There’s a good chance you’re already using Microsoft Teams. By using it for your phone system, you simplify your comms process, allowing your people to be significantly more flexible with how they communicate, both internally and externally.

Keep everything in one platform

Make and receive calls within Teams, alongside chat, meetings and collaboration tools.

Support flexible working

Access your business phone system from anywhere using desktop, mobile or compatible devices.

Reduce system complexity

Replace separate phone systems with a single, integrated communication platform.

Scales with your business

Add users, locations and features easily without changing your core setup.

Why choose PrimeTel?

Not all Teams phone setups are the same

Microsoft Teams phone systems can be configured in different ways, and the right option depends on your existing setup, connectivity requirements and commercial priorities.

We help you assess your current environment, compare Teams phone options and choose a solution that delivers the right balance of flexibility, performance and cost.

From initial planning through to supplier selection and implementation, we ensure your Teams phone system works properly from day one.

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Testimonials

What are customers saying?

“My team was extremely impressed by how proactive and supportive PrimeTel were throughout the process. They offered us reliable, genuine expertise, and always went above and beyond to answer our questions. PrimeTel really made the whole experience feel streamlined, and easy.”

Shaun McKiernan Operations Manager at Thompsons Solicitors

“Working with PrimeTel was straightforward and genuinely valuable. They quickly understood what we needed, guided us through the options, and kept the process moving, helping us secure the right solution commercially and operationally. I’d happily recommend them to other organisations looking for a trusted technology advisor.”

Matt Philpot IT Manager at MJ Allen

“PrimeTel really went above and beyond to find a solution tailored to our specific needs. They made it easy to negotiate with our new vendor and ensured we could implement the new technology quickly.”

Justin Paton Head of IT at Venn Group

Frequently asked questions

What is a Microsoft Teams phone system and how does it work?

A Microsoft Teams phone system enables businesses to make and receive external calls directly within Microsoft Teams. It extends the platform beyond internal collaboration, turning it into a full business telephony solution.

Calls are delivered over the internet using VoIP technology, with users able to access the system through desktop apps, mobile devices or compatible hardware. The system can be configured in different ways depending on how you want calls to be routed and managed, making it a flexible alternative to traditional phone systems.

What are the different Microsoft Teams phone options available?

There are three main Microsoft Teams phone options: Microsoft Calling Plans, Operator Connect and Direct Routing.

Microsoft Calling Plans are provided directly by Microsoft and are typically the simplest option to deploy. Operator Connect allows you to use approved telecom providers to deliver connectivity into Teams. Direct Routing offers the most flexibility, allowing businesses to connect their own telephony provider or infrastructure.

Each option has different implications for cost, flexibility and control, which is why choosing the right approach is important.

Is Microsoft Teams a full replacement for a traditional phone system?

Yes, Microsoft Teams can replace a traditional phone system when configured with the appropriate telephony capabilities.

It provides features such as call routing, voicemail, auto-attendants and call queues, allowing businesses to manage both internal and external communication within a single platform.

However, the effectiveness of the setup depends on how it is implemented and which Teams phone option is chosen.

How do I choose the right Teams phone system for my business?

Choosing the right Teams phone system depends on your existing infrastructure, user requirements, call volumes and budget.

Some businesses prioritise simplicity and choose Microsoft Calling Plans, while others require more flexibility and opt for Direct Routing or Operator Connect.

A structured assessment helps ensure you choose the right configuration, rather than defaulting to the easiest option.

What are the benefits of using Microsoft Teams for telephony?

Using Microsoft Teams for telephony allows businesses to consolidate communication into a single platform, reducing complexity and improving efficiency.

It supports remote working, simplifies user management and integrates seamlessly with other Microsoft 365 tools. Over time, this can improve productivity and reduce the need for multiple communication systems.

Can Microsoft Teams phone systems integrate with other business tools?

Yes, Microsoft Teams phone systems integrate with a wide range of Microsoft 365 applications and third-party tools.

This includes CRM systems, helpdesk platforms, and collaboration tools, allowing businesses to connect communication to broader workflows. This integration improves visibility, streamlines processes and enhances both internal operations and customer interactions.

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So much more than just consultancy; this is a partnership.

If you’re serious about making your investment in new tech work for you, it’s time for a conversation.

Phone:
+ 44 (0)203 890 4974
Email:
info@primetelltd.co.uk