• The Zadarma Project is the market leader in IP telephony, offering optimum features: unlimited calling, per second billing, and virtual numbers. Our extensive experience and sound technological base guarantee the highest quality.

Voice calls pricing

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5 new functions for web developers

Zadarma Project presents 5 new functions for web developers. Three new functions of API: /tariff/ - information about current tariff plan; /sim/ - inf... all news