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Cellular GSM

    Low cost calls with no line rentals

Let Us Help You Choose The Right Products

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Let Us Help You Choose The Right Products

Fill in the form and one of our solution specialists will call you back


Fully Managed Low Cost Call Routing Via GSM SIM Termination

With reduced cellular, local and national rates, Voice Supreme from Vox Telecom offers you the ability to reduce your current telephony expenditure.

Cellular Least Cost routing has been around forever but the billing model was often confusing for customers. Voice supreme simplifies that with a per usage billing model and absolutely no line rentals! Cellular is a favoured technology as it is very stable and offers great voice quality.

  • Low Call Rates
  • No SIM Related Subscription Charges
  • Easy Billing Structure
  • No Misleading ‘Bundled Minutes’
  • No Minimum Billing
  • Zero Line Rental
  • Perfect for SME’s
  • Quick to Install

No Line Rental

Voice supreme has zero line rental, only pay for the minutes you use

Low Call Rates

Save 25% on calls and 100% on line rental

Quick to Install

Fast SIM activation and install

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Let Us Help You Choose The Right GSM Solution

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SA Destinations Peak Rate Off-Peak Rate Billing Increment
Local R0.366 R0.300 60:1
National R0.366 R0.300 60:1
Mobile R0.915 R0.915 60:30
Prices Exclude VAT.

GSM Is Perfect For Extra Capacity or Failover

Contact us to get extra lines for your business at zero cost

Can I port my numbers to the GSM service?

At the moment you cannot port a landline number to the GSM service. You will be allocated a new number per sim card. We are working on this.

What do I pay if I don’t use the lines?

There is zero subscription on these lines so if you don’t make any calls your bill will be zero.

How is the service delivered?

The service is delivered over the cellular GSM networks. It is a fixed mobile solution for business customers to save money on calls and line rentals

What is the typical user for GSM Voice?

Smaller SME customers that can’t use VoIP and require additional outbound telephone lines. Most customers have a few Telkom lines they keep for incoming calls and they use the GSM sims for the outgoing calls.

Do I need an IP-PBX to use the GSM product?

We can connect the GSM sim cards to any available analogue port (FXO) you have available on an analogue PBX, IP-PBX or even standalone analogue handset.

Do I need to check coverage?

No, most of South Africa is covered for cellular voice services so you are covered. The service is subject to signal testing and this will be done on-site at installation.


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  • Address: Suite 6a | 1st Floor | Waterstone Village Centre | Corner of Main Road & R44 | Somerset West | 7130
  • Phone: 087 802 0917
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  • Monday - Friday: 8:00 am - 17:00 pm
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