Antrax SIM box for 300 SIM cards.

Check out the best GSM solution!

ANTRAX is a complex solution for GSM Termination Solution also called as VoIP termination business. Whether you are a profy looking to expand your business or a newbie looking for new business opportunities, Antrax equipment and software can fully satisfy your needs and expectations.

Due to the module-based structure, flexible configuration which allows the product to meet any needs and requirements, ANTRAX solution can be implemented for effective calls termination either in large or in small volumes.

Contact us today to get pricing, business set-up calculations as well as VoIP specialists recommendtions. After this you will not wish to purchase another gateway at all.

What is call/VoIP termination?

Call termination or VoIP termination is a beneficial business for converting VoIP signal into GSM. This is done by means of VoIP-GSM gateway with simbox and customer traffic, that are both provided by Antrax. It works really simple. Once set-up and installed, Antrax will start sending traffic to your GSM gateway. You will get money for every converted phone call. Simple as it is. The more sim cards you have in a box, the more you can earn. We will do all the rest, including set-up, technical support and call traffic.


  • 6 years on the market of call VoIP termination
  • 24 countries on all continents of the Earth
  • 183 successful terminators
  • ANTRAX equipment is produced on leading factory Volburg
  • Our call termination solution is made in the European Union Group

GSM Gateways comparison chart

ANTRAX products

GSM gateway


Terminator controller

SIM’s Bodyguard

Bulk SMS sending

IT/tech support


Please contact us and feel free to ask any questions or submit form and we will call you back.


Flames Group

Latvia, Riga, Kr. Barona 88, tel: 371-67-333-777

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