We are offering the rights to use and customize VTONF under the terms and conditions of GNU general public license , GPL v2. If you wish to get a fully customized VTONF, please contact our technical support department via support[at]vtonf[dot]com. The customization and optimization service includes,
  1. Optimization of Hardware servers,

  2. Integration with third party softwares like help desk, billing system, etc ,.

  3. Any other customization, according to your wish.
 
 
Customization