See the following sections to configure and use these features:
14-1: Voice Ports Covers the commands necessary to configure switched Ethernet ports for IP telephony.
14-2: Voice QoS Presents guidelines and configuration suggestions that provide end-to-end quality of service (QoS) in a campus network.
14-3: Voice Modules Discusses the steps needed to configure voice gateway modules in Catalyst 4000 and 6000 switches.