What is 'Class of Service' in the Avaya system?

Class of Service in the Avaya system is a feature that restricts or allows access to various telephony features based on the assigned profile of the user or device. This means that different users or devices can have different levels of access to calling features such as long-distance dialing, international calls, voicemail, call forwarding, and more. By using Class of Service, administrators can manage how features are utilized within the organization, providing flexibility and control over telephony usage. This is particularly important in organizations where certain features may need to be restricted for specific roles or departments.

In contrast, the other options refer to different aspects of service or account management that do not relate directly to telephony feature access. While classifying customer accounts, measuring grades of service for quality assurance, or monitoring service usage can be important for overall telecommunications management, these processes do not encapsulate the specific functionality and control offered by Class of Service in Avaya’s telephony systems.