Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network
Understanding Interactions with Other Cisco Unified IP Telephony Products
For information about configuring Cisco Unified Communications Manager to work with the IP devices described in this chapter, refer to Cisco
Unified Communications Manager Administration Guide, Cisco Unified Communications Manager System Guide, and to Cisco Unified Communications Manager Security Guide.
For an overview of security functionality for the Cisco Unified IP Phone, see the “Understanding Security Features for Cisco Unified IP Phones” section on page
Note If the Cisco Unified IP Phone model that you want to configure does not appear in the Phone Type
Related Topic
•Telephony Features Available for the Cisco Unified IP Phone, page
Understanding How the Cisco Unified IP Phone Interacts with the
VLAN
The Cisco Unified IP 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:
•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.
•Data traffic present on the VLAN supporting phones might reduce the quality of
•Network security may indicate a need to isolate the VLAN voice traffic from the VLAN data traffic.
Cisco Unified IP Phone
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