Pingly - Your communication hub — Email, text & voice in one app
Skype for Slack - Move your slack discussions to a group skype call
Aircall Now - Make voice calls inside Intercom Messenger 📞💬
Hibox - Hibox is a mobile app that primarily functions as a platform for collaboration between team members. The software helps maintain communication while a team works on a project, and it provides privacy while supporting the pipeline.
HandsFree 2 - Call and SMS in Mac using your Android phone via Bluetooth
Aircall - Aircall is a call center software of a new generation designed for fast growing companies. Setup instantly and integrates to your CRMs