Unlimited plan restrictions

Zadarma unlimited plan is for personal use only. For business purposes, we recommend our "Corporate" plan.
To avoid abuse of our services, we have imposed a restriction for the number of simultaneous calls, which is equal to one. The amount of phone numbers you call should not exceed 30 unique numbers per day (last 24 hours). If you call to more than 30 unique phone numbers a day, you will be automatically switched to "Standard" plan and billed accordingly.
We reserve the right to limit your usage of the unlimited plan in case of violation of our rules.

These restrictions apply only to unlimited plans and free minutes. You can call with no restriction using tolled minutes.