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Navigating the Evolving Landscape: Microsoft Teams Calling Costs vs. Embedded UCaaS Alternatives

Nick Pemberton Director of Sales, TelcoDataCloud · 23 April 2025
Navigating the Evolving Landscape: Microsoft Teams Calling Costs vs. Embedded UCaaS Alternatives

The Voice Dilemma for 2025 and Beyond

Microsoft Teams has become a fixture in the modern workplace, connecting teams across departments, cities and time zones. But as the platform evolves, so too do its pricing models, particularly around its voice component, Teams Phone. With licensing costs having just increased this month and new billing practices now in effect, businesses of all sizes need to urgently reassess their telephony strategy.

At the same time, there is another movement building momentum: embedded UCaaS (Unified Communications as a Service). These are full-featured voice solutions designed to integrate directly within Teams, offering richer functionality, better reliability and potentially lower costs. With embedded UCaaS, the question is no longer just “Do we use Teams for calling?” but “What is the smartest way to use it?”

What Just Changed: Understanding the April 2025 Cost Shift

As of 1 April 2025, Microsoft has implemented its updated Teams Phone pricing structure in Australia:

◆Teams Phone Standard: AU$15.00 per user/month
◆Teams Phone with Pay-As-You-Go Calling: AU$19.50 per user/month
◆Teams Phone with Domestic Calling: AU$32.90 per user/month
◆Teams Phone with Domestic and International Calling: AU$50.90 per user/month

In addition, a 5% premium now applies for any customer who chooses monthly billing for an annual subscription, affecting Teams, Microsoft 365, Office 365 and other services.

For organisations not using Microsoft’s top-tier E5 license, these increases may translate into a year-on-year rise in voice costs of more than 30%. And with Teams now unbundled from Microsoft 365 in many markets, businesses may also face new costs just to retain Teams access.

Embedded UCaaS: A Smarter Alternative?

In response to this cost shift, many businesses are re-evaluating their approach and exploring embedded UCaaS options. These third-party solutions integrate directly with Microsoft Teams while delivering a broader and more refined set of features:

◆Cost predictability and savings: some UCaaS platforms eliminate the need for the Teams Phone license altogether. Others offer bundled, transparent pricing that sidesteps Microsoft’s multi-layered billing.
◆Enterprise-grade functionality: features like advanced call routing, voicemail-to-email, SMS and fax integration and even built-in contact centre capabilities are standard in many UCaaS offerings.
◆Superior reliability: many providers offer 99.999% uptime SLAs, higher than Microsoft’s 99.99%, ensuring resilience and business continuity.
◆Scalability and flexibility: whether for startups scaling quickly or global enterprises needing custom configurations, UCaaS platforms offer flexibility with hybrid deployment options and broader PSTN integration.

Choosing the Right Voice Strategy

This is not about abandoning Teams, it is about making Teams work better for your organisation. The real decision lies in how you embed voice services into your broader collaboration strategy. Do you rely on Microsoft’s native calling features, or do you enhance Teams with a purpose-built UCaaS platform?

To answer that, assess your current usage: What are your calling needs? Which features are mission-critical? How geographically dispersed is your team? Once you map these requirements, you can weigh the cost and capability differences between native Teams Phone and embedded UCaaS solutions.

Final Thought

The April 2025 licensing changes are already in place. They are not just a footnote, they are a pivotal moment. They should prompt a review of your telephony infrastructure, budget strategy and collaboration goals.

The embedded UCaaS ecosystem has matured. It offers powerful, proven options that can enhance Teams without sacrificing user experience or blowing out budgets.

Thinking about where this fits in your business?

We help organisations work out what is worth adopting, what is hype and which vendors deliver it best. Independent, as always.

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