Check out the best VoIP SIP gateway!

ANTRAX VoIP SIP gateway is a complex solution for GSM termination 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 SIP VoIP gateway 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 recommendations.

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 gateway service 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 voice 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 and VoIP gateway setup.


  • 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

What is call/VoIP termination?

Our ANTRAX 2U solution was specially created for those, who value the simplicity and compactness. It already has on-board PC, which helps the customer to avoid the problems connected with obtaining and placing the separate one. Having 2 on-board GSM modules, it still provides the users with three additional universal slots, which can be filled with 2-6 GSM modules or 1-60 SIM cards.


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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