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Cisco 6945 Series 管理マニュアル

Understanding Interactions with Other Cisco Unified IP Telephony Products

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Understanding How the Cisco Unified IP Phone Interacts with Cisco
Unified CM
Cisco Unified CM is an open and industry-standard call processing system. Cisco Unified CM software
sets up and tears down calls between phones, integrating traditional PBX functionality with the
corporate IP network. Cisco Unified CM 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 CM also provides:
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•
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For information about configuring Cisco Unified CM to work with the IP devices described in this
chapter, go to the
Administration Guide.
For an overview of security functionality for the Cisco Unified IP Phone, see the
Security Features for Cisco Unified IP Phones" section on page
If the Cisco Unified IP Phone model that you want to configure does not appear in the Phone Type
Note
drop-down list in Cisco Unified CM Administration, go to the following URL and install the latest
support patch for your version of Cisco Unified CM:
http://www.cisco.com/kobayashi/sw-center/sw-voice.shtml
For more information, refer to "Software Upgrades" chapter in the Cisco Unified Communications
Operating System Administration Guide.
Related Topic
•
Understanding How the Cisco Unified IP Phone Interacts with the VLAN
The Cisco Unified IP Phone 6921, 6941, 6945, and 6961 have an internal Ethernet switch, enabling
forwarding of packets to the phone, and to the access port and the network port on the back of the phone.
If a computer is connected to the access port, the computer and the phone share the same physical link
to the switch and share the same port on the switch. This shared physical link has the following
implications for the VLAN configuration on the network:
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Cisco Unified IP Phone 6921, 6941, 6945, and 6961 Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
2-2
Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications
Manager Express, page 2-3
Firmware for phones
Configuration file via TFTP service
Authentication and encryption (if configured for the telephony system)
Phone registration
Call preservation, so that a media session continues if signaling is lost between the primary CM and
a phone
Cisco Unified IP Phone Configuration
Telephony Features Available for the Cisco Unified IP Phone, page 5-1
The current VLANs might be configured on an IP subnet basis. However, additional IP addresses
might not be available to assign the phone to the same subnet as other devices connected to the same
port.
chapter in the Cisco Communications Manager
"Understanding
1-14.
Chapter
OL-24567-01