Prerequisites
Prerequisites
For the Cisco SIP IP phone to successfully operate as a SIP endpoint in your network, your network must
meet the following requirements:
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Cisco SIP IP Phone Connections
The Cisco SIP IP phone has connections for connecting to the data network, for providing power to the
phone, and for connecting a headset to the phone.
IP phone.
Figure 1-3
Power
outlet
(optional power
Cisco SIP IP Phone Administrator Guide
1-12
A working IP network is established.
For more information about configuring IP, refer to
Release 12.2.
VoIP is configured on your Cisco routers.
For more information about configuring VoIP, refer to the
Configuration
Guide, Release 12.2, for the appropriate access platform. For more information about
configuring SIP VoIP, refer to the
VoIP gateways are configured for SIP.
A TFTP server is active and contains the latest Cisco SIP IP phone firmware image in its root
directory.
A proxy server is active and configured to receive and forward SIP messages.
Cisco SIP IP Phone Cable Connections
Cisco IP Phone (rear view)
AC adapter
port
(DC48V)
cable)
RS-232 port
Cisco IOS IP Configuration
"Configuring SIP for VoIP"
Figure 1-3
Network port
Access port
(10/100 SW)
(10/100 PC)
Chapter 1
Guide,
Cisco IOS Voice, Video, and Fax
chapter.
illustrates the connections on the Cisco SIP
Headset
port
Handset
port
Product Overview