CHAPTER
2-1
Cisco IP Phone Administration Guide for Cisco CallManager 3.3, Cisco IP Phones 7902G/7905G/7912G
OL-6313-01
2
Preparing to Install the Cisco IP Phone on Your NetworkCisco IP Phones enable you to communicate using voice over a data network. To
provide this capability, the IP Phones depend upon and interact wit h se v eral other
key Cisco IPTelephony components, including Cisco CallManager.
These sections provide you with an important overview of the in teraction between
the Cisco IP Phone models 7902G/7905G/7912G and other key components of the
Voice over IP (VoIP) network:
•Understanding Interactions with Other Cisco IPTelephony Products,
page 2-1
•Understanding the Phone Startup Process, page 2-4
•Guidelines for Configuring Ports on the Cisco IPPhone models
7902G/7905G/7912G, page 2-8
•Adding Phones to the Cisco CallManager Database, page 2-12
Understanding Interactions with Other
Cisco IP Telephony Products
To function in the IP telephony network, the Cisco IP Phone must be connected
to a networking device, such as a Cisco Catalyst switch. You must also register
the Cisco IPPhone with a Cisco CallManager system before sending and
receiving calls.