Phone System for Teams
A feature-rich business phone system using Microsoft Teams for incoming and outgoing calls
- Activate new numbers or port your existing numbers into Teams
- Control your external contacts directory, call log and voicemails
- Enable the Teams Calls system on a desktop, laptop & mobile phone
- Calls tariffs available with Unlimited calls to Landlines and Mobiles
- Book a free instant demonstrations with our MS Teams experts
How Teams Calling Works
Transform Microsoft Teams into a full-featured business phone system with our Tier-1 network integration.
- Intelligent Call Routing: Manage where and when calls are answered with Call Record, Whisper Announcement, Queuing, and In/Out of hours control
- Teams Keypad: Simple dial-out using the Teams interface - type a number and click call. Create contact lists for quick dialing
- Any Device: Make and receive calls on desktop, laptop, mobile, or tablet - Teams mobility extends to calling
Our Microsoft experts can set up new MS 365 accounts, upgrade existing ones, or install the Phone System app. Call 0800 043 4398 for assistance.

The benefits of choosing Calls with Teams
See why more customers choose Telecoms World
Our Number Manager system offers a wide range of call routing services to ensure that incoming calls are handled with care 24/7, 365.
In the same way that Microsoft Teams is not centralised to a single device, the Calls with Teams service is used anywhere/anytime.
Make and receive business calls, without limitation, to all UK landlines and most UK Mobiles at unrivalled call rates.
The core features delivered by a PBX system come as standard with Calls with Teams and our award-winning Number Manager.
Microsoft Teams becomes your main communications platform. The cloud-based solution reduces costs by removing PBX systems.
Call Recording for Teams
Choose to record Teams calls with secure cloud storage. Record incoming calls, outgoing calls or both to improve customer service quality.
Recording activates automatically once calls connect, ensuring nothing is missed. Access recordings from our Number Manager platform with Business Number, Target Number, Date/Time, Duration and MP3 audio available for playback, download or API integration.
Advanced Call Routing
Handle incoming business calls with care using intelligent call routing in our online Number Manager. Set up IVR menus, Queues and Hunt Groups instantly.
Our award-winning Number Manager configures where and when calls are answered. The quality of call handling creates clients' first impressions. Test, re-route and add failover numbers at the click of a button.
Number Presentation
Choose which business number staff present when dialling out from Microsoft Teams. Caller ID feature provides quick access to change the presented number.
Staff making outbound calls mask their direct dial 01 or 02 number and show the main business 08 or 03 number. This channels incoming calls to a centralised monitored number and prevents customers from calling individuals rather than departments.
FAQs
Making and receiving calls using Microsoft Teams is very easy with the intuitive Teams interface. If you already have Calls with Teams enabled, a new keypad is shown in the bottom left corner. Type the telephone number you wish to dial and click "Call".
Yes. You can transfer a single landline number or an entire telephone system into Calls with Teams. Common PBX features are readily available via our online Number Manager portal. Access your Directory, Speed dial, Call History, Voicemails and Call Recordings.
Calls with Teams utilises our Number Manager as the inbound call routing platform - a flexible, scalable call distribution tool offering Call Queuing, Virtual Receptionist, Hunt Groups, Area Based Routing, Multi-level IVR and real-time Wallboard Analytics.
Yes we can port any 01/02, 08 or 03 number into our network. This allows us to display the number when dialling out using Microsoft Teams.
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The key benefits of Telecoms World as your communications provider
We provide fuss-free and cost-effective voice and data services to support businesses in the UK
UK Based Provider
All our services are managed from our UK headquarters with dedicated account managers and support teams available during business hours.
Increased Security
Enterprise-grade security measures protect your communications with advanced encryption and fraud detection systems.
Monitored Service
24/7 network monitoring ensures maximum uptime and immediate response to any service issues affecting your business.
Rated Excellent++
Our customers rate us excellent on Trustpilot with 4.8 stars based on consistent service quality and customer support.
Dedicated Support
Your own dedicated account manager provides personalized support and strategic guidance for your telecommunications needs.
