# Overview

The MiVoice Office Web (MOWA) and MiVoice Office Mobile (MOMA) applications are being replaced by the Mitel One web and mobile applications respectively. Mitel One is the evolution of MOWA/MOMA and introduces a new UI that supports fully integrated meetings, calendar, and chat.

Mitel One is the MiVO400 collaboration application that Mitel recommends. Mitel One provides a fully unified phone, messaging, and meetings user experience for MiVoice Office 400 customers. Like MOMA/MOWA, Mitel One leverages the Mitel CloudLink platform and architecture to deliver an application that receives continual automatic updates so that customers are kept up to date with the latest and most advanced software without their having to perform upgrades on their own.

Mitel One provides a refreshed UI that uses widgets to give each user the flexibility to modify the UI according to their preferences. Moreover, Mitel One offers enhanced performance and stability. The following are the new features introduced in Mitel One:

- Conference Call
- Quick Functions (Function Keys)
- Office 365 Integration

For more information about the Mitel One Web and Mitel One mobile applications, see

- Mitel One Web Application User Guide
- Mitel One Mobile Application User Guide

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