# Flow > Flow is a business communication app — telephony for desktop and mobile. This site lets people download the Flow apps, find international conference dial-in numbers, and read about integrations. It is a white-label product; "Flow" is the brand shown here. ## Pages - [Apps](https://www.joinflow.com/apps/): download Flow for Mac, Windows, iPhone and Android, or open the Operator web app (operator.telavox.com). - [Conference numbers](https://www.joinflow.com/conference/): local dial-in phone numbers per country for joining a Flow phone conference. - [Calendar integration](https://www.joinflow.com/calendar/): let your calendar control which availability profile is active on your extension. - [HubSpot integration](https://www.joinflow.com/integration/hubspot/): embedded softphone and contact lookup inside HubSpot. - [Microsoft Teams integration](https://www.joinflow.com/integration/microsoft-teams/): telephony and PBX control inside Microsoft Teams. ## Notes - Languages: English (default, un-prefixed URLs) and Swedish (/sv/ prefix). - Sign in to the Flow web app at https://admin.joinflow.com/ - Developer / API documentation: https://developer.telavox.com/ - Support: support@joinflow.com