Prompt chat and email response to customers. Document each customer's question or problem as well as the resulting answer or solution. Develop customer service solutions. Maintain service level. Non-voice process can be defined as a function wherein a customer support executive resolves the query of the customer through email or live chat. So one of the best ways to provide real time support to a customer is via answering live chat which is know as Chat Process in Call Center. Chat Process in Call Center.