Nov 8, 2025

Microsoft Teams Calling: What Is It and How Does It Work?

Microsoft Teams calling: cloud phone. Business Voice £9/user (1,200 min/month) or E5 £48.10. Domestic/international plans. PBX features. Communications Credits overage. AMVIA.

Microsoft Teams Calling: What Is It and How Does It Work?

Microsoft Teams Calling: Unified Communications, Cloud Phone System, and Complete Calling Plans Guide

What is Microsoft Teams Calling and how does it enable unified business communications? Microsoft Teams Calling new way teams make receive business calls more efficiently. Options like voice video calling, easier ensure everyone has information they need quickly seamlessly. Microsoft Teams mainly known used as internal communication tool. Microsoft developed Teams Calling way leverage extensive capabilities Teams as part business phone system. Chat, meetings, voice, Private Branch Exchange (PBX) capabilities now combined one inexpensive package. Users now have true unified communications solution allowing them make receive calls affordable price. Teams Calling allows make receive inbound outbound calls using voice PBX facilities. Combine chat, meetings, more, fully unified business communications solution. Previously, employees mostly used Teams call other employees within their business or organisation. Now addition Teams Calling cloud-based phone systems, can make business calls from your work number—wherever are! Calling options: Business Voice (£9/user/month, up 300 users, 1,200 domestic minutes/month, 250-person conferences) or Enterprise E5 (£48.10/user/month, 300+ users). Calling plans: 120-minute, 240-minute, 1,200-minute domestic, or domestic/international (1,200 domestic or 600 international). Communications Credits pay-per-minute overage. Pre-paid fund, auto-recharge optional. 12-month credit validity. Add credit card Microsoft 365 admin centre. AMVIA provides Teams calling assessment, plan selection, configuration, Communications Credits setup, training, 24/7 support.

Microsoft Teams Calling: Unified Communications Overview

Microsoft Teams Calling is new way for teams make and receive business calls more efficiently. With options like voice and video calling, it's easier than ever make sure everyone has information they need quickly and seamlessly.

While Microsoft Teams is mainly known and used as an internal communication tool, Microsoft developed Teams Calling as way leverage extensive capabilities Teams as part business phone system.

This guide explains Microsoft Teams Calling, calling options, plans, pricing, and how to implement unified communications for your organization.

What is Microsoft Teams Calling

Unified Communications Solution

With chat, meetings, voice, and Private Branch Exchange (PBX) capabilities now combined into one inexpensive package, users can now have true unified communications solution allowing them make and receive calls for affordable price. It's no wonder that this software is so popular among businesses around world!

Teams Calling capabilities:

  • Voice calling and PBX features
  • Chat and messaging integration
  • Meeting capabilities
  • Video conferencing
  • Unified interface
  • Affordable pricing

Cloud-Based Phone System

Microsoft Teams Calling allows you make and receive inbound and outbound calls using voice and PBX facilities. At same time, you can combine chat, meetings, and more, for fully unified business communications solution.

Previously, employees mostly used Teams call other employees within their business or organisation. Now with addition Teams Calling and cloud-based phone systems, you can make business calls from your work number—wherever you are!

Key advantages:

  • Make and receive external business calls
  • Cloud-based system (no premises equipment)
  • Work from anywhere
  • Unified interface with chat and meetings
  • Integrated with existing Teams experience

Microsoft Teams Calling License Options

License Selection

To get Microsoft Teams Calling, you will first need have Phones licence. You can choose from licence types, depending on number users. Two most popular plans are Business Voice and E5 Enterprise.

Option One: Microsoft 365 Business Voice

Pricing and Eligibility

Cost: £9.00 user/month (annual commitment), excludes VAT

Available for: 300 users or less

Business Voice Includes

Cloud-based telephone system: Call transfer, call queues, and multilevel auto attendants features

Calling plan: 1,200 domestic minutes per user, per month, within UK

Audio conferencing: Dial-in audio conferencing for maximum 250 people per meeting

Multi-device access: Make and receive calls via Microsoft Teams app on desktop, mobile, web, or desk phones

Important Note

Business Voice calling Plan is add-on subscription to your existing Microsoft 365 subscription, including Microsoft Teams. It is not available as stand-alone package.

Option Two: Enterprise E5

Pricing and Eligibility

Cost: £48.10 user/month (annual commitment), excluding VAT

Available for: 300 or more users only

E5 Includes

Phone system: Phone system enables PBX capabilities like call control in cloud with Microsoft Teams

Audio conferencing: Audio conferencing allows initiate or join meetings of up 300 people - straight from your phone

Complete Microsoft 365 suite: Microsoft 365 Apps for Enterprise, Windows 10 Enterprise, Office for web, Office mobile apps, Outlook, Exchange, and many more

Complete Package

Enterprise is top-level stand-alone package that includes Microsoft 365 productivity apps, advanced security, compliance, and analytical capabilities.

Important note: While Business Voice includes domestic calling plan, you'll need add calling plan Enterprise make calls.

Teams Calling Plans and Minutes Bundles

Calling Plan Overview

You can purchase calling plan, including phone number and bundle minutes per user, per month. There are four different plans available.

Domestic Calling Plans (UK Only)

If you only need make domestic calls, there are three options:

Plan One: 120-Minute Domestic Calling Plan

Plan one provides 120 minutes UK calls per user per month.

Plan Two: 240-Minute Domestic Calling Plan

Plan two provides 240 minutes UK calls per user per month.

Plan Three: 1,200-Minute Domestic Calling Plan

Plan three provides 1,200 minutes UK calls per user per month. If you have Business Voice licence, this calling plan is included.

International Calling Plan

Plan Four: Domestic and International Calling Plan

If you need make international calls, you can opt Plan four, Domestic and International Calling Plan. Plan four provides 1,200 minutes domestic calls OR 600 minutes international calling (based on whichever is reached first in calendar month).

Important note: Customers who reach their international calling minutes limit can continue make domestic calls, but cannot make international calls until calendar month resets or Communications Credits added.

What Happens When You Reach Your Calling Limit

Exceeding Included Minutes

Of course, you may need use more minutes than your calling plan provides for, so what happens when you reach limit?

Communications Credits Solution

Microsoft offers Communications Credits. If these are enabled, you can pay per minute for any additional minutes used. Communications Credits are paid in advance rather than being billed after usage.

Communications Credits work as:

  • Pre-paid fund
  • Call rates deducted when users make calls
  • Variable rates by country and currency
  • Optional auto-recharge capability
  • 12-month validity

Without Communications Credits

If you run out minutes without Communications Credits enabled, your users won't be able make any further calls that month.

Setting Up Communications Credits and Payment

Adding a Credit Card

Yes, if you want enable Communications Credits, you will need add credit card.

You can do this by signing into Microsoft 365 admin centre, and navigating to Billing > Purchase Services. Select Add-Ons, and then Communication Credits.

You can now add your credit card information and add funds.

Credit Card Setup Steps

Step 1: Enter amount to add. Calls will be billed your card immediately after you complete setting it up.

Step 2: Choose auto-recharge option. Recharge will automatically re-bill your card for auto-recharge amount you choose when initial amount reaches certain threshold. If you don't choose auto-recharge and run out Communication Credits, your users will not be able make calls until your calling plan enters new month or you add more Communication Credits.

Step 3: Set auto-recharge amount and trigger. If amount in your account falls below trigger, auto-recharge will be applied.

Credit Validity

Any funds you add are available for 12 months and need be used in that period.

AMVIA's Microsoft Teams Calling Services

Teams Calling Assessment and Planning

AMVIA provides comprehensive Microsoft Teams calling assessment:

  • Current phone system evaluation
  • Teams calling fit analysis
  • License option recommendation
  • Calling plan selection
  • Cost and ROI analysis

Implementation and Configuration

Complete Teams calling deployment:

  • Phone number provisioning
  • Calling plan setup
  • PBX configuration
  • Auto-attendant setup
  • Call queue and routing configuration
  • Communications Credits setup

User Training and Adoption

Comprehensive calling feature training:

  • Making and receiving calls
  • Call transfer and hold
  • Call conferencing
  • Voicemail setup
  • Mobile and desktop calling

24/7 Calling Support

AMVIA delivers 24/7/365 Teams calling support:

  • Technical troubleshooting
  • Call quality optimization
  • Communications Credits management
  • Plan adjustment assistance
  • Ongoing optimization

Next Steps: Implementing Teams Calling for Your Organization

Start evaluating current phone system. What calling needs do you have? What volume calls monthly? What international calling required?

Next, assess calling plans. Does 1,200-minute plan sufficient? What about international? What Communications Credits budget appropriate?

Then, compare license options. Is Business Voice suitable, or need E5? What's total cost organization? What ROI expected?

Finally, plan implementation. Define rollout phases. Set up Communications Credits. Train users. Contact AMVIA begin Teams calling transformation.

Need expert help implementing Microsoft Teams Calling for your organization? Contact AMVIA specialists: 0333 733 8050 (direct to experts, no voicemail) or request consultation. We provide comprehensive Microsoft Teams calling assessment, license and plan selection, calling configuration, PBX setup, Communications Credits management, user training, 24/7 support. Discover how AMVIA's human-first approach delivers Teams calling solutions enabling your organization unified communications—voice calls, video conferencing, messaging, and meetings—from £9/user/month with Business Voice or complete E5 enterprise package.

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