How many extensions do you need?
VoIP Installation South Africa puts the phones on the same cable as the computers. A cloud PBX instead of a box in the comms room, handsets that plug into a data point, and numbers that follow you if the office moves.
Describe the office and get VoIP quotes.
Get the Best QuoteWhat a VoIP Setup Includes
- The PBX. Hosted in the cloud, or an on-premises box where that is preferred.
- Handsets. Desk phones, cordless, or a softphone on a laptop and mobile.
- Extensions. One per person, charged monthly, with voicemail and call forwarding.
- Numbers. Porting your existing numbers, or new geographic and 087 numbers.
- Call routing. Menus, groups, after-hours rules and a recorded greeting.
- Network readiness. Power over Ethernet for the phones and priority for voice traffic.
What People Move For
- Cost per minute. Usually well below a traditional line, especially to mobiles.
- Moving offices. The numbers come with you rather than being surrendered.
- Remote staff. An extension on a laptop at home behaves like a desk phone.
- Failing hardware. An old PBX out of support with no spares available.
- Call reporting. Who called, who answered and how long people waited.
VoIP Installation Prices
Ballpark VoIP figures so you can check a quotation.
| Item | Ballpark price |
|---|---|
| Cloud PBX, per extension per month | R60 - R180 |
| Entry level desk handset | R1,200 - R2,600 |
| Mid range handset with colour screen | R2,600 - R4,500 |
| Cordless handset and base | R2,800 - R6,500 |
| Setup and configuration, small office | R3,500 - R12,000 |
| Number porting, per number | R250 - R950 |
| On-premises PBX, supplied and installed | R18,000 - R85,000 |
Prices JUST UPDATED. Ballpark figures, rounded, excluding VAT. They reflect typical South African network cabling and IT infrastructure rates. They are not our prices or quotations, and no provider is bound by them. Confirm what each quotation includes, such as travel, cable and trunking, testing and certification, and minimum callout fees.
Get a phone price for your own office rather than a range.
Get the Best QuoteWhat Affects the Price
- Number of extensions. The monthly cost scales almost directly with it.
- Handset choice. Softphones cost nothing; colour-screen desk phones add up.
- Call routing complexity. Menus, queues and after-hours rules are setup time.
- Porting. Moving existing numbers takes longer and costs more than new ones.
- Network readiness. PoE switches and cabling may be needed before the phones work.
- Call volume. Bundled minutes against per-second billing suit different offices.
What to Include in Your Request
- How many people. And how many need a physical handset.
- Your current numbers. And whether you need to keep them.
- Who answers first. Reception, a menu, or a ringing group.
- Remote or mobile staff. And whether they need the same extension anywhere.
- Your internet line. Type and speed, since voice rides on it.
- Existing data points. Phones need a point at each desk, or one shared with the PC.
Before You Port Numbers
- Check the line first. Voice quality is decided by the internet connection.
- Confirm the porting timeline. It takes weeks, and the old service must stay live.
- Ask about PoE. Phones without it need a plug and an adapter at every desk.
- Compare total monthly cost. Extensions plus minutes, not the handset price.
- Check the contract term. Handsets are often subsidised against a long contract.
VoIP Installation FAQs
Can I keep my existing phone number?
In most cases yes. Geographic numbers are ported to the new provider, which takes a few weeks and needs the old account to stay open until it completes.
What internet line does VoIP need?
Roughly 100kbps up and down per simultaneous call, so almost any fibre line is fine. Stability matters more than speed: a line that drops briefly drops calls.
Do the phones work during a power cut?
Only if the switch, router and ONT are on backup power. A small UPS in the comms cabinet is the usual answer.
Can staff use their mobiles as extensions?
Yes, through a softphone app. The call comes from the office number and internal extensions still work.
Phone systems are one of the jobs providers on Network Cabling South Africa quote for, alongside cabling, points and network security.
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