eCall by Otis Elevator Co is a convenient elevator interface app designed for iPhone users. With a focus on simplicity and clarity, this app allows users to call elevators from anywhere within a building using a cellular or internet connection. The app offers optional features like long walk and extended door dwell to enhance passenger convenience, making it user-friendly and accessible.

This app streamlines the elevator experience by providing a single platform for searching, registering, and using elevators across different buildings. Users can easily get started by downloading the app, which aims to simplify and improve the vertical transportation experience.