Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Understanding Interactions with Other Cisco Unified IP Telephony Products
2-2
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1
OL-14620-01
• Determining the MAC Address for a Cisco Unified IP Phone, page 2-21
Understanding Interactions with Other Cisco Unified
IP
Telephony Products
To function in the IP telephony network, the Cisco Unified IP Phone must be
connected to a networking device, such as a Cisco Catalyst switch. You must also
register the Cisco
Unified IP Phone with a Cisco Unified Communications
Manager system before sending and receiving calls.
This section includes the following topics:
• Understanding How the Cisco Unified IP Phone Interacts with Cisco
Unified Communications Manager, page 2-2
• Understanding How the Cisco Unified IP Phone Interacts with the VLAN,
page 2-3
Understanding How the Cisco Unified IP Phone Interacts with
Cisco Unified
Communications Manager
Cisco Unified Communications Manager is an open and industry-standard call
processing system. Cisco
Unified Communications Manager software sets up and
tears down calls between phones, integrating traditional PBX functionality with
the corporate IP network. Cisco
Unified Communications Manager manages the
components of the IP telephony system—the phones, the access gateways, and the
resources necessary for features such as call conferencing and route planning.
Cisco
Unified Communications Manager also provides:
• Firmware for phones
• Authentication and encryption (if configured for the telephony system)
• Configuration file and CTL file, via TFTP service
• Phone registration
• Call preservation, so that a media session continues if signaling is lost
between the primary Communications Manager and a phone
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