Telephones are used to communicate between distant points. Today's desktop, mobile, and soft phones are equipped with a multitude of functionality to promote communication and collaboration.
Mobile Device Management (MDM) software secures, monitors, manages, and supports mobile devices deployed across the enterprise.
Email (electronic mail) is a means of transmitting computer-based messages over a network, typically the Internet. Today's email programs are often bundled with other tools designed to improve collaboration, such as calendars, contact lists, and task lists.