Slack - A messaging app for teams who see through the Earth!

Mitel - Business Communications and Collaboration

Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...

Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.

Phonebooth - Phonebooth is one of the leading voip providers, providing phone systems & phone service for small businesses.