The independent guide to VoIP service providers, packages and numbers for South African businesses – what you are buying, what a published rate card looks like, and how to choose without getting caught by the contract.
VoIP (Voice over Internet Protocol) is business phone service delivered over your internet connection instead of a copper Telkom line. You keep a normal South African number (or port the one you have), staff answer on a desk phone, a laptop or a mobile app, and you pay a provider a published monthly rate plus calls – many South African providers now bill those calls per second rather than per minute. The one thing VoIP cannot do without is a stable internet connection, which is why most SA businesses run it over fibre with LTE as backup.
This guide walks you through every decision: how VoIP actually works, what to budget realistically, what features matter (and which are sales fluff), and the questions that separate a good provider from a regrettable one. When you're ready to compare specific providers, we'll send you to the comparison page. When you're ready to buy, we'll match you with up to three vetted SA VoIP providers.
VoIP (also sold as internet calling, IP telephony, hosted voice or a virtual landline) lets a South African business make and receive calls over its internet line instead of a Telkom copper line. Among the eight SA providers that publish an entry VoIP line or package price, that published rate runs from R50 to R499 a month (median R130.50, sampled to 27 September 2026), with calls billed on top – increasingly per second. You need stable fibre or LTE, an ICASA-licensed provider, and either an IP desk phone or a softphone app. Per-provider prices are on the VoIP provider comparison.
WhichVoIP has compared South African business telecoms since 2009, and we sell no VoIP service of our own. That matters when you are reading a VoIP guide, because almost every other "best VoIP" page in South Africa is written by a provider that ranks itself at number one. We have no provider to rank, so the advice below is built to help you choose well, not to sell you a line.
Everything here is drawn from primary sources: the pricing pages providers actually publish, the ICASA licensing framework, and our own catalogue of independent provider reviews and directory listings (38 VoIP providers reviewed, 340 listed at the time of writing). A price appears on this page only if it is a published rate we have sampled and dated; where we cannot bind a figure to a provider's own rate card, we leave the figure out rather than estimate it. Per-provider figures live on the comparison page, which is refreshed from the same fact base.
Our provider reviews use a published score across five dimensions (pricing value, feature set, customer reviews, reliability and support quality), and every brand claim in a review is confirmed on the provider's own website before it goes live. Sponsors are always disclosed and never move up the ranking. If you want the short version of how to choose, skip to section 6. If you want to compare live, the comparison tool and the provider reviews are linked throughout.
VoIP, IP telephony, internet telephony, hosted voice: these terms all describe the same thing, namely carrying a phone call as data over an internet connection rather than over a dedicated copper or ISDN line. You will see providers use them interchangeably. "Cloud PBX", "hosted PBX" and "SIP trunking" are specific ways of delivering VoIP, covered in section 2, not different technologies.
VoIP turns your voice into small digital packets that travel over your existing internet connection to the provider's data centre, where they're routed to the recipient. There's no special copper line, no exchange visit from Telkom, and no PABX box on the wall. The phone on your desk plugs into your office network with the same Ethernet cable as your laptop.
From the provider's data centre, calls to other users on the same network travel over the internet and are usually free. Calls to mobile and landline numbers hand off to the public phone network through the provider's ICASA-licensed interconnects and are billed at its published call rates – increasingly per second, so a 20-second call costs a third of a minute. Rate cards differ enough that we keep them on the comparison page rather than quoting an average here.
A stable internet connection (fibre is best; LTE or fixed wireless works for small teams), a router that supports QoS, and an IP desk phone, a softphone app, or both (see the VoIP phones guide). No PABX, no on-premise hardware, no Telkom installation crew.
Three products are sold under the word VoIP, and the quote you get depends on which one you ask for. A hosted VoIP line is a number plus calling, billed per line or per user. A cloud PBX (hosted PABX) is the phone system itself – extensions, IVR, queues, recording – running on the provider's platform and using VoIP lines; see the Cloud PBX guide. SIP trunking connects a PBX you already own to the phone network over the internet; see SIP trunking in South Africa. Behind those products sit three deployment models, and most South African SMEs should pick the first one:
The cloud model wins on cost, flexibility, and total ownership for almost every SA SME. The only reason to look at on-premise is if you have very specific compliance, latency, or integration requirements that hosted can't meet.
For most South African businesses, hosted cloud VoIP is the right call – no hardware to buy, no IT staff to hire, and a seat that scales up or down in an afternoon.
Headline pricing on provider websites is usually the line or package fee only. The total monthly cost is the package × lines or users + call charges + (sometimes) handset rental + your internet line. The honest way to read the market is by the shape of the package, not by one "average" number:
| Package shape | How you pay | Best for | Read next |
|---|---|---|---|
| Pay-as-you-go / prepaid line | Little or no monthly fee; you load call time and calls are billed per second or per minute | One or two lines, low call volume, no contract | Prepaid VoIP · Free VoIP numbers |
| Published line or package price Most common | A fixed monthly rate per line or per user, calls on top at the provider's rate card | Most small and medium businesses | Compare providers |
| Uncapped / unlimited calling bundle | Higher fixed monthly fee that includes national calls, usually with a fair-use policy | Sales teams and heavy outbound callers | Uncapped VoIP packages |
| Hosted / cloud PBX seat | Per extension per month for the phone system itself; a VoIP line or trunk carries the calls | Teams that need IVR, queues, recording and reporting | Cloud PBX guide |
Of the SA providers in our fact base, eight publish an entry VoIP line or package price on their own websites. Those published entry prices run from R50 to R499 a month, with a median of R130.50 (sampled to 27 September 2026). That is the band a small business should expect to see for the line itself; the call rate card and the cloud PBX seat, if you need one, sit on top. We do not print an "average all-in seat price": no provider publishes one, so the figure would be ours, not theirs.
Setup and installation fees; handset purchase or rental; number porting (section 7 – published fees run from free to a few hundred rand per number); international and toll-free calling; and the VAT basis, since some providers quote ex VAT and some inclusive. Ask for the all-in 12-month total on the package you will actually run, and whether it is month-to-month or fixed-term. Our cheapest VoIP providers guide shows how the published entry prices compare once those extras are added.
Ask for the all-in 12-month total – setup, hardware, porting and the call bundle, not just the seat fee. A provider who will only quote the seat price is hiding the real number.
Provider feature lists are 40+ items long because more checkboxes look more impressive. In reality, only a handful matter for most businesses:
WhichVoIP lists 340 active VoIP providers in South Africa and has independently reviewed 38 of them. Most fall into one of four buckets:
None of them are universally the "best". The right provider depends on your team size, your tolerance for self-service, whether you need bundled internet, and how critical phone uptime is for your business.
If you only read one section, read this. Here's the order of operations:
Skip any of these and you'll probably regret it within six months. Follow them and you'll save real money and avoid the contract traps that catch first-time switchers.
Skip ahead to compare SA VoIP providers side by side, with their published prices.
The questions SA buyers ask most about VoIP are about the number, not the technology. You can keep your existing number, get a new geographic or 087 number from a VoIP provider, and answer either on a mobile app so the "landline" rings wherever you are.
Number portability is an ICASA-regulated right: your new provider initiates the port, your old provider may not refuse it, and the number moves with a short cutover window. Published porting fees range from free to a few hundred rand per number depending on the provider and whether the port is a single number or a managed range, so ask before you sign. Our number porting guide walks through the paperwork and the traps.
A VoIP provider can issue a geographic number in your area code (010, 011, 012, 021, 031 and so on) or a non-geographic 087 number that works anywhere in the country. Our guide to South African phone numbers and area codes explains which is which, and why you still dial 0 in front of most of them.
Because a VoIP number lives in the provider's cloud rather than a wall socket, one number can ring a desk phone, a laptop softphone and a smartphone app at once. Several providers offer a number with no monthly fee and pay-as-you-go calling – the "free VoIP number" people search for; what is really free is covered in free VoIP in South Africa.
The provider's platform and the fibre or mobile network usually stay up; what dies is the router and switch on your premises. A UPS sized for your ONT, router and desk phones keeps calls running through a typical stage, and a softphone on a charged laptop or mobile keeps the number reachable regardless. Ask shortlisted providers what battery-backed CPE they supply.
A VoIP number is no more exposed to spam than a Telkom line, and a hosted platform adds tools a landline never had: blacklists, screening and IVR menus that filter robocalls before a person answers. See why VoIP is the safer bet against spam calls.
Choose the VoIP provider, port the number, run both in parallel briefly, then cancel the copper service – in that order, because cancelling Telkom first can lose the number. Our guide to moving from Telkom fixed lines to a VoIP provider covers the sequence.
If your staff live in Teams, a provider offering Teams Direct Routing lets them call on your SA number from inside Teams; see Microsoft Teams as a phone system in South Africa. Your mobile network's Wi-Fi calling is not the same thing as VoIP; the differences are in Wi-Fi calling: benefits and limitations.
Using VoIP is completely legal in South Africa, and as a business buyer you do not need any licence to make VoIP calls. The licensing obligation sits with the provider, not the customer. Under the Electronic Communications Act, administered by ICASA, a provider that sells voice service and issues numbers from the national numbering plan needs an Electronic Communications Service (ECS) licence from ICASA – individual or class, depending on its scale. An ECS licence is sufficient for a cloud VoIP provider: it is the licence that authorises the service you are buying. A provider that also builds its own physical network additionally holds an Electronic Communications Network Service (ECNS) licence, but that describes infrastructure ownership, not whether the VoIP service is legitimate. A pure reseller of another operator's hosted service may operate under that operator's licence; ask which company's licence the service runs under. The practical takeaway for a buyer: confirm that the provider, or the operator it resells, is ICASA-licensed, which every reputable South African provider states publicly.
The bottom line: confirm that your provider, or the operator whose service it resells, holds an ICASA ECS licence before you sign – every reputable South African provider states this publicly.
Every provider with a published WhichVoIP score for its VoIP service, highest first. To compare the best VoIP providers side by side with published prices, use the VoIP provider comparison. Scores are out of 10 across five dimensions (pricing value, feature set, customer reviews, reliability, support quality) and link to the review they come from; sponsors are marked and ranked on score like everyone else. The last column says who each one suits, so you can shortlist from here without reading fifteen reviews.
| # | Provider | Score | Consider them if |
|---|---|---|---|
| 1 | Euphoria Telecom | 7.7 | You want to see exactly what each call costs and to leave without penalty |
| 2 | Voys | 7.6 | You want to check a supplier's service record before signing rather than take it on trust |
| 3 | Wanatel | 7.5 | You want to price the whole thing yourself before speaking to anyone |
| 4 | Centracom Sponsor | 7.4 | You want to add and drop features as you go rather than commit to a fixed bundle |
| 5 | Telviva | 7.3 | You need contact-centre features without running a second system to get them |
| 6 | Screamer Telecoms | 6.8 | You are in Gauteng and want your line and your phones on one bill |
| 7 | AVOXI | 6.7 | You need numbers in many countries and a US-dollar, usage-based bill is acceptable |
| 7 | VoIPtech | 6.7 | You are one or two people and want the simplest possible setup |
| 9 | HD Telecoms | 6.4 | You want a 3CX-based cloud PBX with connectivity and IT support from one local supplier, priced on quote |
| 10 | Liquid Intelligent Technologies | 6.3 | You are a larger organisation buying voice, fibre and Microsoft Teams calling under one enterprise agreement |
| 10 | ECN | 6.3 | You want a supplier with a long track record and are not in a hurry to change platform |
| 12 | IP Telecom | 6.2 | You want hosted telephony that plugs into Teams or Zoho and are happy to price it through a trial |
| 13 | Nashua | 6.1 | You already buy office equipment from Nashua and want voice on the same account, priced on quote |
| 14 | BitCo Telecoms | 5.5 | You want fibre, wireless and voice from one operator with its own data centres, and will get pricing on quote |
| 15 | Cell C | 5.1 | You are a Cell C mobile customer adding a hosted PBX to an existing business plan |
Yealink (7.2) is scored in this category as a handset maker, not a service provider, so it sits on the VoIP phones guide. Ties share a rank.
These nine are on most shortlists but carry their WhichVoIP score on the Cloud PBX guide (Switch Telecom 8.6, TRUENAV 7.6, Innovo Networks 7.5, Othos Telecom 7.4, Axxess 7.3, NoPBX 6.8) or are not yet scored, so they are listed here by fit rather than ranked against the table above.
These ten are reviewed on the same five dimensions but sit outside the shortlist for most buyers. They remain worth a look if one of them already serves your business or you need a single national supplier: Vox Telecom, Yaxxa, Skywire, ICTGlobe, Daisy Business Solutions, United Telecoms, Huge TNS, MTN Business, Vodacom Business and Telkom.
Compare these providers side by side, with published prices → · Browse all 340 VoIP providers in the directory →
Some sectors have specific phone-system needs – call recording for compliance, never missing an inbound lead, or fitting around existing practice-management software. We've written dedicated guides for the industries we get asked about most:
