Chapter 5. Configuring Class of Service and Call Admission Control
Now that you have created a basic dial plan, it is time to build on that and create a more complete dial plan. Often you want to allow and disallow access to certain destinations. For example, you might want only a certain group of callers to dial international numbers. This is done by creating a telephony class of service (CoS). In addition, if there are calls traversing limited-bandwidth links, some type of Call Admission Control (CAC) should be deployed to help ensure voice quality. This chapter examines the various concepts associated with CoS and CAC and describes how to configure the required components for each.
Rights and Restrictions
After the dial plan is created and ...