A phone extension manual template is a manual that is used to define instructions for using a phone extension in an office working environment. The office is a place where different native employees work and struggle to achieve the milestone set by management. To work as a team and complete the allocated tasks, they need to communicate with each other. Rather than relying on personal phones or emails, a phone extension system can be used to solve this problem. Every employee can contact another employee or manager whenever he/she needs assistance. Usually, a phone extension system allots different numbers, known…