Contact Us

Interested in getting a free, fully-functional evaluation of NetSim? Have a few questions before starting an evaluation? We are happy to tell you more about our product, support, pricing, customers, and company.

Email: salesnetsim(at)

Phone: + 91 76760 54321 (9:00am and 6:00pm IST)

Support for existing customers

If you are a NetSim User and have technical or usage questions, please use our HELPDESK system by :

Raising new ticket at
Email us: support(at)tetcos(dot)com
Cant wait and want to speak to someone in support team immediately, you may call + 91 76760 54321 between the hours of 9:00am and 6:00pm IST

When raising a new ticket via phone or email please mention

  • Which version type (Pro / Standard / Academic) and version number of NetSim you are using. This is available under Help -> About NetSim
  • The name of the company / institution to which NetSim is licensed

Thanks for contacting NetSim.