The COTS utility customer information system market is composed of software solutions that address utility M2C and legacy commodity-centric customer service business processes. M2C functions covered include: Account management Order processing Product and service management Rate design Billing Credit and collections Accounts receivable Statement preparation Payment processing Customer service Revenue analysis For traditional commodity-focused customer service, CIS supports multiple client interaction channels, including call center and interactive voice response and voice response units. They also support some digital engagement channels (such as text, apps, social media, and virtual assistants and chatbots) for some customer self-service needs (such as bill inquiry and payment, self-service scheduling, and outage reporting). Some solutions go much further, providing increasing capability in customer engagement and experience and even some total experience capability.