Calls on Slack - Make voice calls in Slack
Yodel - Group photo and video sharing. Create stories with friends, join stories from around the world.
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
JustCall - The Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.
Skype for Slack - Move your slack discussions to a group skype call
VideoSelfie - Send video messages to your friends using motion stickers