Zadarma is described as 'international VoIP provider with over 13 years of experience and 1.5 million registered users. It offers virtual numbers in 90 countries, Free Cloud PBX, free website widgets and call tracking and free integrations with top CRM systems'. There are more than 10 alternatives to Zadarma for a variety of platforms, including Online / Web-based, Android, iPhone, Windows and Mac. The best alternative is CloudTalk.io. It's not free, so if you're looking for a free alternative, you could try UniTel Voice or CallHippo. Other great apps like Zadarma are Grasshopper (Paid), Call Me Private (Paid), Aircall (Paid) and Anello Voice (Paid).
Cloud-based phone centre solution with 50+ advanced call features, ready to use in a minute. CloudTalk helps more than 1000 smart companies as DHL, Electronic Star, Yves Rocher deliver exceptional customer support & boost their sales.
Call Me Private hides your phone number behind a virtual number. Give out your virtual number and never worry about privacy ever again! No setup fees, no maintenance fees, no cancellation fees, no hardware, and no software.
CallHippo is a Virtual Phone System which allows businesses to buy instant phone numbers from over 50+ countries around the world. With our easy to use interface and robust backend any business can set up their phone system in less than 3 minutes.
HotTelecom is a virtual phone numbers provider. Toll-free numbers, virtual SMS numbers and fax numbers are also available. Virtual PBX and other additional services will make your communication process easier for your business.