Published: 18 June 2026 | By AOLC
Microsoft Teams Phone System has quietly become one of the most compelling upgrades available to South African businesses already running Microsoft 365. It replaces your existing PABX or physical phone system with a cloud-based calling platform built directly into Teams — the same tool your team already uses for chat, meetings, and collaboration. No desk phones, no on-premises phone servers, and no separate telecoms contract to manage.
But setting it up correctly in a South African context requires more than buying the right licence. You need to understand your options for connecting to the public phone network, account for local realities like load shedding and fibre bandwidth, and ensure that call recordings comply with POPIA. This guide walks you through everything you need to know — from licensing to dial plans — in plain English.
South African businesses that switch to Teams Phone typically save 30–50% on monthly telecoms costs while gaining a fully integrated communication platform that works from any device, anywhere.
Teams Phone System is Microsoft's cloud-based PBX (Private Branch Exchange) built into Microsoft 365. It lets users make and receive calls from any device running Teams — a desktop, laptop, or smartphone — using their business phone number.
Unlike a traditional PABX, which requires on-premises hardware and an engineer visit for every change, Teams Phone is managed entirely from the Microsoft 365 Admin Centre. Call queues, auto attendants, hold music, call forwarding rules, and voicemail are all configured through a web interface, making ongoing administration fast and straightforward.
Key capabilities include:
This is where most South African businesses get tripped up. The base Microsoft 365 Business plans — Basic, Standard, and Premium — include Teams for meetings and chat but do not include PSTN calling. You need additional licensing to make and receive phone calls. As a Microsoft CSP partner, AOLC can advise on the most cost-effective licensing path for your team size.
| Option | What’s Included | Approx. ZAR/user/month |
|---|---|---|
| Teams Phone Standard (addon) | Phone system capability; add your own calling plan | R200–R280 |
| Teams Phone + Calling Plan | Phone system + Microsoft as your telco | R450–R650 |
| Direct Routing (own SIP trunk) | Teams Phone Standard + SA SIP provider; lowest call cost | R200–R280 + SIP fees |
average telecoms cost saving — what South African businesses typically realise when switching from a traditional hosted PABX to Microsoft Teams Phone System.
There are two ways to connect Teams Phone to the public phone network in South Africa:
Microsoft acts as your telco. You purchase domestic or international calling minutes from Microsoft, and they assign South African DDI (Direct Dial Inward) numbers from their pool. Available in SA since 2023. No SBC (Session Border Controller) hardware required — the simplest possible setup.
Best for: Smaller businesses under 20 users, businesses starting fresh without existing numbers to port, or those who want the least complexity.
You connect Teams Phone to a South African SIP trunk provider — Euphoria Telecom, Vox Telecom, Vodacom Business, MTN Business, or CallCentric — via an SBC. Your existing DDI numbers can be ported or retained. Calling rates are typically lower, especially for high-call-volume environments.
Best for: Businesses with existing SA phone numbers, offices outside Microsoft’s supported SA numbering regions, or businesses needing advanced call routing or lower per-minute call costs.
Direct Routing gives you more control and is typically cheaper for high-call-volume businesses in SA — but it requires a certified SBC device (AudioCodes, Ribbon, Oracle) and technical expertise to configure. If you want simplicity, Microsoft Calling Plan is the right starting point.
A standard Teams Phone deployment for a South African business involves the following stages. With a competent IT partner, most implementations take one to three business days, depending on complexity and number porting timelines.
Tip
Run Microsoft’s Network Assessment Tool before going live. It tests your internet connection for voice-call suitability — measuring jitter, packet loss, and available bandwidth — and surfaces quality issues before they affect your team.
A Teams Phone deployment in South Africa has unique challenges that a purely international guide will miss. Here is what to plan for:
Teams Phone runs entirely over the internet. During load shedding, calls will drop unless you have a UPS or generator keeping your router and switching equipment on, and an LTE or 5G failover connection for when the grid goes down. Importantly, configure the Teams Mobile App on staff smartphones so they can continue receiving calls on their mobile number when the office is on load shedding — Teams lets you set up simultaneous ring or call forwarding to mobile globally or per user.
per concurrent call — the bandwidth Teams Phone requires. A 10-person office making 10 calls simultaneously needs at least 1 Mbps of headroom over your existing internet usage.
Each concurrent Teams voice call uses approximately 100 kbps. Most South African fibre lines handle this comfortably, but if your office has a shared or contended line, configure QoS (Quality of Service) on your router to prioritise voice traffic over general internet browsing and file downloads. This prevents choppy calls during busy periods.
If you enable call recording in Teams, recordings are stored in OneDrive or SharePoint. Under POPIA, you are required to inform callers that the call is being recorded, set a data retention policy so recordings are not stored indefinitely, and restrict access to recordings to authorised personnel only. Microsoft 365 Compliance Centre lets you configure retention policies for Teams recordings — your managed IT provider should help you set these up correctly before enabling recording.
South African emergency numbers — 10111 (police), 10177 (ambulance), and 112 (general emergency) — must be explicitly added to your Teams dial plan. They are not routed automatically. You must also configure your emergency calling location in the Teams Admin Centre so that Microsoft’s Location Information Service maps your office IP address to your physical address. This is critical for businesses with multiple locations.
Most Teams Phone deployments that go wrong share the same handful of mistakes. Watch out for these:
Our VoIP and communication services page has more information on how AOLC supports Teams Phone deployments from initial design through to post-launch support.
AOLC specialises in Microsoft Teams Phone deployments for South African businesses — licensing advice, Direct Routing setup, number porting, load shedding contingency, and user training. We handle the complexity so your team can focus on the calls.
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