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Enterprise and Operators: SIP trunk
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.
- Budget-friendly calls within the EU and the US.
- Mobile numbers with an SMS enabled service.
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.
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.
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.
- Multi-channel phone numbers in 100 countries.
- Free cloud PBX.
- Free CRM system - ZCRM - fully integrated with your PBX.
- Toll-free numbers.
- Free integration with CRM systems.
- API interface.
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.
- Budget-friendly price plans.
- Premium routes with guaranteed CallerID feature.