<P> UC allows an individual to send a message on one medium and receive the same communication on another medium . For example, one can receive a voicemail message and choose to access it through e-mail or a cell phone . If the sender is online according to the presence information and currently accepts calls, the response can be sent immediately through text chat or a video call . Otherwise, it may be sent as a non-real - time message that can be accessed through a variety of media . </P> <P> There are varying definitions for unified communications . A basic definition is "communications integrated to optimize business processes and increase user productivity," but such integration can take many forms, such as: users simply adjusting their habits, manual integration as defined by procedures and training, integration of communications into off - the - shelf tools such as Thunderbird, Outlook, Lotus Notes, BlackBerry, Salesforce.com, etc., or purpose - specific integration into customized applications in specific operating departments or in vertical markets such as healthcare . </P> <P> Unified communications is an evolving set of technologies that automates and unifies human and device communications in a common context and experience . It optimizes business processes and enhances human communications by reducing latency, managing flows, and eliminating device and media dependencies . </P> <P> Unified communications ability is useful for everyday communications . The ability to easily communicate seamlessly via a wide range of integrated components would arguably better facilitate all types of communication . </P>

Which of the following is a function of unified​ communications