Skype for Slack - Move your slack discussions to a group skype call
JustCall - The Cloud Phone System of choice for modern sales and support teams. We help end clueless conversations by adding context to every call.
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
LivnList - Get together with your friends with video messages
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VideoSelfie - Send video messages to your friends using motion stickers