Chapter 29 Configuring Voip; Hardware And Software Requirements - Cisco WS-C2948G-GE-TX Configuration Manual

Configuring VoIP
This chapter describes how to configure Voice-over-IP (VoIP) for the Catalyst enterprise LAN switches.
This chapter consists of these sections:
•
•
•
For complete syntax and usage information for the commands that are used in this chapter, refer to the
Note
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Command
Reference.

Hardware and Software Requirements

The hardware and software requirements for the Catalyst 4500 series switches and Cisco CallManager
are as follows:
•
•
•
•
•
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide
78-15908-01
Hardware and Software Requirements, page 29-1
Overview of IP Phones, page 29-2
Configuring VoIP on a Switch, page 29-3
Catalyst 4006, Catalyst 4500 series, Catalyst 5000 family, and Catalyst 6500 series switches running
supervisor engine software release 6.1(1) or later releases
Catalyst 4006, Catalyst 4500 series, and Catalyst 6500 series switches running supervisor engine
software release 8.1 or later releases for IEEE 802.3af compliance
Cisco CallManager release 3.0 or later releases
If you want to utilize inline power,
inline power.
If you do not want to utilize inline power, then you can plug a powered device with an external power
source into any 10/100 or 10/100/1000 switching module.
C H A P T E R
Table 29-1 lists the Catalyst 4500 series components that support
29
—
Release 8.2GLX
29-1