CCVP CVOICE Quick Reference Sheets

Configuring Router Voice Ports

Introduction

Now that you understand, in theory, the operation of various voice interfaces, in this section, you review the configuration of these interfaces on Cisco voice-enabled routers. First, consider the following categories of voice calls:

• Local calls—Occur when both the calling and called phones are attached to the same router.

• On-net calls—Span more than one router. Specifically, the calling phone is attached to one router, and the called phone attaches to a different router. In this case, routers are part of the same network.

• Off-net calls—Originate on a router but terminate on the PSTN.

• Private Line Automatic Ringdown (PLAR) calls—Occur when a caller picks up a phone and the phone automatically ...