letsBrik - A Skype Alternative that is entirely web browser based.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
BNESIM - The all-in-one app for your communications. Voice, SMS, rooms, data SIM & eSIM in 200+ countries without roaming fees. Double data on the first top-up. Two years back-to-back winner of the "World Travel awards" for 2019 and 2020.
Dialpad - Switch is a cloud-based phone system built for Google Apps users.
KeepCalling - Best Rates for International Calls. No Contract, Expiry, or PIN. Use Any Phone, Smartphone or PC.
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs