Contact Us

Center of Telecommunication Technologies, LLC (CTT, LLC)

Ordzhonikidze str., 40 - 5707
Novosibirsk, Russia, 630099

Hours are Monday to Friday 8.00am to 5.00pm (GMT +6)

Phone:    +7 (383) 325-00-25


Please use the form below or send email to if you need any assistance, have some questions or suggestions. 
You will receive response in less than a business day. Our tech support is available for free for our customer operating from 8.00am to 5.00pm (GMT +6), Monday to Friday

Thanks! Message sent.

We always try to respond to your emails as soon as possible.


To get a faster response, please help us by providing as much information about your problem as possible, including:


  • the operating system you use; 

  • screenshots displaying the problem or error messages would also be helpful.


Please allow at least one business day to hear from us.