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About us

Zadarma is an international telecommunication provider offering reliable services since 2006. With strong industry expertise, advanced infrastructure, and years of experience, we deliver premium cloud communication solutions for modern businesses. Today, Zadarma serves a global network of users in over 160 countries, partners with the world’s leading VoIP providers, offers a wide selection of virtual phone numbers, and provides 24/7 customer support.

Zadarma History: over 18 years of success

  • 2024
  • SMS 2.0: New rates, SenderID registration, and integration with Teamsale CRM. The website and support are now available in Portuguese, and the emergency call feature has been expanded to 32 countries. API launch for eSIM.
  • 2023
  • Introduced eSIM with internet coverage in 150+ countries, few SMS capabilities for business. New features added toTeamsale CRM: analytics, autodialer, bulk emailing. Launched an integration with the largest eCommerce platform - Shopify
  • 2022
  • Updated integrations marketplace - now PBX can be integrated with several systems. Zadarma became an MVNO and introduced its own mobile numbers in France. ID verification process has been simplified with the partnership with Jumio, and Zapier integration allowed to connect Zadarma with 5000+ apps
  • 2021
  • PBX 2.0 with extended functionality and improved interface was introduced. We have launched a browser extension for instant calls and integrations with Microsoft Dynamics, Microsoft Teams. Teamsale CRM features were significantly updated and new price plans and numbers were added
  • 2020
  • Speech analytics in 50+ languages was launched, as well as free video conferencing, new price plans - World and Americas, new integrations with HubSpot and Freshdesk, new API for Teamsale CRM and WebRTC
  • 2019
  • Free CRM-system – Teamsale CRM – launched, fully updated app for Android, extended number and price plans coverage, German language added for support, number of users surpassed 1 700 000
  • 2018
  • Complete PBX, widgets, iOS app and main website update. Attractive price plans and free Call Tracking presented. The millionth user registered with the service
  • 2017
  • New data centres launch in New York, fully updated client account design, increased toll-free numbers coverage to 70 countries
  • 2016
  • The Zadarma Cloud PBX integration with top CRM systems, project launch in Poland and Spain, free app release for Windows
  • 2015
  • API interface availability, creation of Zadarma iOS app, unique new service presentation - the SIM card for roaming with price plans and VoIP features
  • 2014
  • New data centre launch, security system modernization, and increased coverage of toll-free numbers and multi-currency price options
  • 2013
  • The new interaction system with clients, improved and expanded Cloud PBX features
  • 2012
  • Free cloud PBX (Business Phone System) launch, virtual phone number availability in 70 countries
  • 2011
  • The service expansion - the CallBack feature, SMS messages, useful website widgets and Zadarma SIP app for Android
  • 2010
  • The launch of an affiliate partner program (which now has more than 1,000 partners across the globe)
  • 2009
  • Improved service interface, creation of the webphone and other useful features
  • 2008
  • Virtual phone number sales in several countries
  • 2007
  • Substantial increase of our customer database, 24/7 customer support launch and call center establishment
  • 2006
  • First launch

Team

Team Zadarma
E-commerce Poland Expo Zadarma
Сonference Zadarma

We are attentive to our clients’ needs, which allows us to develop a modern, user-focused service and remain among the world’s top 20 cloud telecom providers.

Together, we’re building the best communication service for you! Over 2 000 000 clients have already entrusted Zadarma with their telecom needs. Join us today and experience the difference for yourself.

Values

  • task
    Communication. The basis of our work.
  • Search
    Transparency. We avoid vague wording, small print, and hidden clauses. Transparency and honesty are the core principles of client interaction at Zadarma.
  • Team Zadarma
    Improvement. Our commitment to constantly improving our services and products has helped us maintain a leading position in the industry for many years.
  • easy
    Automation. We never push unnecessary services. Clients can easily activate everything they need through their personal account in just a few minutes, and we’re here to help at any step.
  • communication
    Feedback. We welcome all feedback and are committed to making our service easy to use for clients of any technical background.

Our philosophy

Zadarma philosophy
Effortless telephony
Voice communication is at the heart of Zadarma’s services. Our unique technologies allow users to make confident, easy decisions for both business and personal communication.
For years, futurologists have predicted the decline of voice communication, but virtual telephony continues to evolve and grow stronger each year. We believe that’s in no small part thanks to our ongoing innovation and dedication.
Zadarma philosophy
Modern technologies
At Zadarma, continuous improvement is one of our core principles. It’s part of who we are.
We’re always looking for ways to improve our services by using the latest and most advanced technologies. Our goal is to make sure you can enjoy reliable and efficient communication for your business.
Zadarma philosophy
Client satisfaction and data security
We find true fulfillment when our clients are happy. That’s why our main goal is to develop convenient and functional services that not only benefit your business but also bring you positive experiences and real value.
At Zadarma, we take privacy seriously. We provide reliable security to all your personal data.

Zadarma Network

We set the highest quality and reliability standards for our infrastructure:
  • 6 main data centres in 6 countries on three continents (Europe, North America, Asia) and numerous smaller platforms
  • All main data centres are connected to at least two external channels and Internet Exchange Points (IX)
  • Full backups are performed within each data centre (services, servers, power supply, network infrastructure). Backups are also made between data centres
  • To ensure the best connection quality, traffic is routed through the nearest data centre
Offices
IP Telecom Bulgaria
Europe
IP Telecom Bulgaria LTD
Address:
office 211, 16 Vasil Levski Str., 8000 Burgas, Bulgaria
Phone: +359 56 940 510
Registration number/VAT:
BG201274344
Operator registered:
KRS Arcep Bundesnetzagentur
Smartvoice
United Kingdom
SMARTVOICE LTD
Address:
63-66 Hatton Garden, London, United Kingdom, EC1N 8LE
Company number:
12149920
Operator registered:
Ofcom Communications Ombudsman
Voice cloud
Spain
VOICE CLOUD S.L.
Address:
av/Cortes Valencianas, 58-1003, Valencia, Spain - 46015
NIF/CIF:
B66781501
Operator registered:
CNMC
Contacts for administrative questions: manage@zadarma.com

Our partners

Telia logo Company logo Colt logo Inteliquent logo Lumen logo Telefonica logo Bics logo

In the press

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Zadarma IP telephony meets the requirements of globally active entrepreneurs, because they can organize their company from anywhere in the world and connect all their employees in one network with customers and partners.

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Zadarma understands how integral communication and building relationships are to businesses at every stage.

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Zadarma’s VoIP services help you separate work from personal at an incredible price

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Zadarma's tech team is always looking to evolve their cloud-based business phone software (PBX) to accommodate the ever-changing new normal global communication needs. There are many advantages to Zadarma's VoIP solution.

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If you run a startup and want to learn more about the benefits of VoIP phone systems, the Zadarma Project has the expertise to offer you a customized solution.

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Zadarma offers a cloud-based VoIP system that anticipates website visitors’ needs and quickly responds to queries, all at a cost that can be 90% lower than a traditional business phone system, according to the company.

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Zadarma makes it simple to access VoIP with free and affordable bundles, plus apps available on most platforms.

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