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VoIP
Outgoing calls

Voice over IP technology that blends the idea of a conventional telephone with the speed and convenience of the internet. The idea is simple - your voice is converted into compressed data packets. This data is transmitted to the addressee over a network, and decoded back to speech. This significantly reduces the load on the network which, in turn, reduces the cost of the call.
  • Your First Call
    Your First Call
  • Travellers and Microbusiness
    Travellers and Microbusiness
  • VoIP for Small Business
    VoIP for Small Business
  • Online Business or a Call Center
    Online Business or a Call Center
  • Enterprise and Operators: SIP trunk
    Enterprise and Operators: SIP trunk
Your First Call

For the fastest and the easiest way to make calls at the best rates, use the webphone in your personal account.

There is no need to buy a virtual phone number, activate the cloud PBX or purchase special equipment. Simply call your friends and relatives and benefit from our discount rates. For regular calls, download and use the Zadarma app for Windows, Android or iOS.

       
  • Per-second billing.
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  • Budget-friendly calls within the EU and the US.
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  • Mobile numbers with an SMS enabled service.
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Travellers and Microbusiness

Zadarma iOS, Android and Windows apps allow you to take your phone number with you on a holiday or a business trip.

Forget about the international roaming and simply install the Zadarma app and purchase your hometown phone number.

  • Calling via the app is as convenient as using a regular phone. Your friends and family can call your number at their local rates.
  • VoIP service works over the internet, so you can use the Wi-Fi or buy a local SIM card when you are away.
  • Conditional forwarding saves you from missing important calls, and it is available in the remote parts of the world with unstable internet connections.
  • You are making calls at the most rates.
  • For businesses we recommend using our free ZCRM - convenient system for customer relationship management with an ability to make and receive calls through the browser.
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VoIP for Small Business

A phone system is the easiest communication channel with clients, independent of your company size.

Zadarma VoIP services allow you to set up your office with a phone system within minutes.

All you need is a stable internet connection and a few minutes to set up the service on our website.

  • Multi-channel phone numbers in 100 countries.
  • Free cloud PBX.
  • Free CRM system - ZCRM - fully integrated with your PBX.
  • Free integration with CRM systems.
  • Individual and corporate accounts.
  • Useful widgets  for your website.
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Online Business or a Call Center

VoIP service from Zadarma enables you to create a fully developed call center, whether you own an online shop, delivery service or any other type of business that requires a constant communication with clients.

If your call center is already setup you can use our service to make the best quality calls anywhere in the world.

We offer a unique rates on domestic and international calls to many countries.

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Enterprise and Operators: SIP trunk

A connection using a SIP trunk is suitable if you already have your own phone network and VoIP system.

After creating the SIP trunk and confirming your static IP addresses, you can use your purchased or confirmed phone numbers as your CallerIDs.

For maximum quality and reliability we guarantee 100% backup on 4 levels: data centers, channels, servers and our support service.

       
  • Multi-channel phone numbers in 100 countries.
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  • Budget-friendly price plans.
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  • Premium routes with guaranteed CallerID feature.
   Register    Pricing
Zadarma VoIP advantages
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The highest call quality. We only use premium routes with the best call quality.
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Flexible call rates and budget-friendly price plans (per-second billing, special rates on domestic and international calls).
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Free calls within the network and to more than 100 countries in the world.
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Access to your phone number from anywhere in the world.
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Many useful features and services (free Cloud PBX, the CallBack service, CallerID and much more)
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Security and confidentiality of your conversations.