toolani - Cheap international calls
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
KeepCalling - Best Rates for International Calls. No Contract, Expiry, or PIN. Use Any Phone, Smartphone or PC.
Calls on Slack - Make voice calls in Slack
Rebel Calling - Internet-free international calling for $1 a month
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.