Astreon Dispatch is a service for any task-based or delivery business. 

This service sends tasks or deliveries to field workers via a mobile app, has built-in chat, and provides proof of services & delivery to the back office. The built-in routing tool can help you manage your scheduling and optimize your day to increase overall revenue inside your business. This service is calendar based and works by manual input, excel import, and/or API integration with your back office applications.