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Cisco 7931G - Unified IP Phone VoIP Руководство по администрированию

Understanding Interactions with Other Cisco Unified IP Communications Products

Understanding Interactions with Other Cisco
Unified IP Communications Products
Understanding How the Cisco Unified IP Phone Interacts with

Cisco Unified Communications Manager

Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.1
2-2
Chapter 2
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 these 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
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
Preparing to Install the Cisco Unified IP Phone on Your Network
OL-14587-01