Chapter 10. CUCM Dial Plan

This chapter explores the connection of a Cisco Unified Communications Manager (CUCM) system to the public switched telephone network (PSTN) and branch offices. Configuring CUCM to route calls can be a complex endeavor, with many components involved. With the requirements to cover failover in the event of overloaded WAN links or hardware failure added to the design, the complexity increases even more. The labs in this chapter demonstrate the basics of call routing, failover, and call control.

Lab 10-1: Call Routing


Figure 10-1. Topology Diagram

Equipment Required

This lab uses the following equipment:

• Cisco router ...

Get CCNA Voice Lab Manual now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.