This page provides detailed information about the hardware and software requirements for your computer to be able to send and receive SMS messages using the Ozeki NG - SMS Gateway software.

To run the Ozeki NG - SMS Gateway software on your computer, you have to meet some essential hardware and software requirements.

Hardware requirements

In all cases better hardware gives you better performance. The most important factor regarding performance is the amount of RAM in you computer, and the speed of your hard disk.

  • CPU: 4 cores
  • RAM: 4 GB (16 GB recommended)
  • Hard disk space: 4 GB (SSD recommended)
  • Ports: RS232 or USB (if you use a GSM modem)
  • Phone-to-PC data cable (USB or RS232) or
  • Network: Internet connection (if you use IP SMS connection)

Virtual hardware

Ozeki NG SMS Gateway is also optimized to run in virtualized environments. Microsoft, VmWare, Linux KVM, Oracle and many other virtualization platforms are supported.

GSM modem

If you wish to use a GSM modem attached to the PC with a phone-to-PC data cable for SMS messaging, you need a suitable device. For more information about suitable telephones for SMS messaging, check out the Recommended SMS Hardware guide.

Software requirements

Ozeki NG - SMS Gateway runs on one of the following operating systems:

  • Windows 11
  • Windows 10
  • Windows 7
  • Windows 8

  • Windows Server 2022
  • Windows Server 2019
  • Windows Server 2016
  • Windows Server 2012 R2

The following updates should be installed:

  • .NET Framework 4.0

You can download Ozeki NG - SMS Gateway and the programs listed in the software requirements on the Download SMS Gateway page ( You should always download and use the latest version of Ozeki NG.

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