VoIP • Uncapped & unlimited

Uncapped VoIP packages in South Africa: read the fair-use policy

Unlimited calling for a fixed monthly fee sounds simple, until you read the fair usage policy. Here are the uncapped VoIP packages worth comparing in 2026, and when flat-rate actually beats pay-as-you-go.

Last verified September 2026 By the WhichVoIP editorial team 7 min read

From R145Telkom IP Voice, per line

R149Vox Vobi, per user incl. VAT

1,000 minOnly FUP published in minutes (NoPBX)

Month-to-monthBest plans, no lock-in

The short answer

What is the best uncapped VoIP package in South Africa?

The lowest published entries are Telkom’s IP Voice Unlimited VoIP 1 at R145 a month for one line and Vox Vobi Unlimited at R149 a user including VAT (R130 ex VAT), both month-to-month. For a business line priced by concurrent calls, Switch Telecom’s Unlimited VoIP Line Premium is R300 ex VAT; its R160 Lite plan is for home use only. Most providers say only “fair usage” without stating a minute limit, so ask for it in writing before you switch.

R/mo Telkom IP Voice line

R/mo Switch business unlimited line

Min included on NoPBX Infinity

Questions to ask first

A busy South African sales team making calls from headsets in an open-plan office — Uncapped plans turn a variable per-minute bill into a fixed line for teams that are on the phone all day.

What “uncapped” VoIP really means

An uncapped or unlimited VoIP package gives you a fixed monthly fee for as many calls as you can make, instead of paying per minute. The catch, almost always, is a fair usage policy (FUP) sitting behind the word “unlimited”.

Uncapped plans suit businesses with high or unpredictable call volumes, where a flat fee turns a variable bill into a budget line. But “unlimited” rarely means infinite. Vox’s Vobi Unlimited, for example, advertises unlimited calls to all South African numbers under a fair usage policy, but does not state the limit in minutes. NoPBX is the exception: its Infinity plan includes 1,000 pooled minutes per user a month, then R0.54 a minute. Knowing the real limit is the difference between a good deal and a nasty surprise.

Always read the FUP: the headline “unlimited” tells you almost nothing. Ask for the fair usage limit in minutes, what happens when you hit it (throttling, per-minute billing, or a block), and whether mobile and international calls are included or excluded.

The uncapped VoIP picks for 2026

Seven providers publish an uncapped or unlimited voice price on their own sites, checked on 27 September 2026. Three of them cover most small-business needs.

Per-user entry

Vox Vobi Unlimited

PriceR149/user/mo incl. VAT
IncludesAll SA numbers
FUPFair usage, minutes not stated

Switch Telecom Unlimited

PriceFrom R300/month ex VAT
Priced byConcurrent calls (2 out, 4 in)
NoteR160 Lite plan is home use only

Telkom IP Voice

PriceR145/line/mo
Lines1 to 20 (20 lines R2,779)
NoteR50.44 rental if not on Telkom internet

Vox Vobi Unlimited is R149 a user a month including VAT (R130 ex VAT) for unlimited calls to all South African numbers, with a fair usage policy that Vox does not quantify. Telkom’s IP Voice is priced per line: R145 for one, R1,609 for ten and R2,779 for twenty, month-to-month, plus an R50.44 monthly rental if you are not on Telkom internet. Switch Telecom prices by concurrent calls: the Unlimited VoIP Line Premium (two outbound, four inbound) is R300 ex VAT, and Switch’s unlimited SIP trunks run R1,000, R2,500 and R5,000 for 4, 8 and 16 outbound channels; the R160 Lite line is for home use only.

Four more publish uncapped prices. Vox Business Uncapped Voice starts at R347 ex VAT for two concurrent calls. NoPBX Infinity is R349 an extension ex VAT with 1,000 pooled minutes, then R0.54 a minute. United Telecoms’ UVC Essential Uncapped is R400 a user for one to three users and R350 from four. OpenWeb’s cheapest unlimited plan is Unlimited Voice Pro at R499; its R399 Voice 500 plan is capped at 500 minutes. Wanatel publishes no uncapped bundle. For enterprise-grade uncapped voice, BitCo and Telviva quote on request.

Uncapped vs pay-as-you-go: which is cheaper?

Flat-rate is not automatically the bargain. It only wins once your call volume is high enough that per-minute billing would cost more than the monthly fee.

Where uncapped overtakes per-minute

Your call profile	Per-minute / prepaid	Uncapped / unlimited
Low, occasional calls	Cheaper, pay only for use	Flat fee wasted
High, steady volume	Adds up fast	Predictable, usually cheaper
Unpredictable spikes	Bill swings month to month	Budget stays fixed
Mostly mobile destinations	80c/min adds up	Often the better deal

What to check before you buy uncapped

Five questions separate a real flat-rate deal from a capped plan in disguise.

What is the fair usage limit, in minutes?Get the FUP as a number. NoPBX publishes 1,000 pooled minutes on Infinity; Vox, Telkom, Switch and United say only “fair usage”. If a provider will not state it, treat that as a red flag.

What happens when you hit the limit?Throttling, reverting to per-minute, or a hard block are very different outcomes. Know which one applies before you sign.

Are mobile and international calls included?Many plans cover local and national landlines but treat mobile or international as extra. Confirm what “unlimited” actually covers.

How is the plan priced, per seat or per line?Vox prices per user; Switch prices by concurrent calls. Match the model to how your team actually shares lines.

Is it month-to-month?The best uncapped deals carry no long contract, so you can leave if your call pattern changes. Confirm the term and notice period.

“Unlimited” is a marketing word, not a number. The figure that matters is the fair usage limit, and the providers worth trusting will tell you exactly what it is.

WhichVoIP editorial

A manager reviewing a phone-bill dashboard on a laptop — Flat-rate only pays off above a break-even point, so match the plan to your real monthly minutes, not the headline word “unlimited”.

Our verdict

Uncapped VoIP is a genuinely good deal for businesses that live on the phone, turning an unpredictable per-minute bill into a fixed monthly cost. Telkom’s IP Voice at R145 a line and Vox Vobi at R149 a user including VAT are the lowest published entries, Switch Telecom suits shared-line teams with concurrent-call pricing from R300 ex VAT, and NoPBX Infinity is the only plan that states its minutes (1,000 pooled per user). The one rule that matters: never buy on the word “unlimited” alone. Get the fair usage limit in minutes, confirm whether mobile and international are included, and price it against your real call volume before you switch.

Our recommendation: If your team regularly passes a few thousand minutes a month, shortlist two or three of Telkom, Vox, Switch and United, get each fair usage policy in writing, and compare the monthly fee against your current per-minute spend before committing.

Comparing uncapped VoIP plans?

Tell us your call volume and we will match you with South African VoIP providers, so you can compare uncapped and pay-as-you-go on your real usage.

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Frequently asked questions

What does uncapped VoIP mean?

Uncapped or unlimited VoIP gives you a fixed monthly fee for as many calls as you can make, instead of paying per minute. Almost all such plans carry a fair usage policy that sets a real limit, so “unlimited” is rarely infinite.

What is the cheapest uncapped VoIP package in South Africa?

Telkom’s IP Voice Unlimited VoIP 1 is R145 a month for one line, and Vox Vobi Unlimited is R149 a user including VAT (R130 ex VAT). Switch Telecom’s business-usable unlimited line starts at R300 ex VAT, priced by concurrent calls. The cheapest for you depends on team size and call volume.

What is a fair usage policy on unlimited VoIP?

A fair usage policy (FUP) is the cap behind the word “unlimited”, usually a monthly minute limit. Few providers state it in minutes: NoPBX includes 1,000 pooled minutes per user on Infinity, while Vox, Telkom, Switch and United say only “fair usage”. Beyond the limit, providers may throttle, revert to per-minute billing, or block further calls.

Is uncapped VoIP cheaper than pay-as-you-go?

Only above a break-even point. For low or occasional call volumes, prepaid or per-minute is cheaper because you pay only for what you use. Uncapped wins when your volume is high or unpredictable enough that per-minute billing would cost more than the flat fee.

Do uncapped VoIP plans include mobile and international calls?

Not always. Many cover local and national landlines but treat mobile or international as extra or excluded. Vox Vobi Unlimited includes South African mobile; always confirm exactly what a plan covers before buying.

Do unlimited VoIP packages require a contract?

The best ones are month-to-month with no lock-in, so you can leave if your call pattern changes. Confirm the term and notice period, as some bundled or enterprise plans carry longer commitments.

Keep reading

Cheapest VoIP providers in SA Prepaid & PAYG VoIP Best VoIP providers in SA

Sources: Vox (vox.co.za/voice/vobi, vox.co.za/voice-pbx); Telkom (telkom.co.za internet calling plans); Switch Telecom (switchtel.co.za/unlimited-voip); NoPBX (nopbx.co.za/pricing); United Telecoms (unitedtelecoms.co.za); OpenWeb (openweb.co.za/voice); Wanatel (wanatel.co.za); BitCo; Telviva. Verified 27 September 2026.