Cisco 7920 - Unified Wireless IP Phone VoIP, Руководство администратора

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Chapter 2 An Overview of the Wireless Network
Wireless Network and Access Point Configuration
2-20
Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 4.0 and 4.1
OL-7104-01
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Cisco Aironet Access Point 1300 series
Table 2-4 explains and provides references for many of the configuration
activities for the Cisco Aironet Access Point.
Table 2-4 Cisco Aironet Access Point Configuration Tasks
Activity Explanation Reference
Check that the
Cisco IOS version is the
recommended version Under System Software, check for
Cisco IOS version 12.2(15)JA or later. Refer to the Cisco Wireless
IP Phone 7920 Design and
Deployment Guide
Interacting with the Cisco Aironet
Access Point, page 2-8
Configure a VLAN for
voice To isolate voice traffic and enable QoS,
you need a separate voice VLAN on the
access point and network switch. Refer to the Cisco Wireless
IP Phone 7920 Design and
Deployment Guide
Voice Quality in a Wireless
Network, page 2-12
Configure Service Set
Identifier (SSID) for
each VLAN Identifier for a set of wireless devices
to communicate with each other.
Several access points can have the same
SSID to support a group of wireless
phones. Refer to the Cisco Wireless
IP Phone 7920 Design and
Deployment Guide
Interacting with the Cisco Aironet
Access Point, page 2-8
Configure QoS settings
for VLANs Create a QoS policy for the voice
VLAN and assign a higher CoS to voice
traffic.
Enable the QoS element for wireless IP
phones to provide channel utilization
(QBSS) information to phones.
Refer to the Cisco Wireless
IP Phone 7920 Design and
Deployment Guide
Voice Quality in a Wireless
Network, page 2-12
Enable ARP caching Enable this option to ensure two-way
audio. The access point has ARP
caching disabled by default. Refer to the Cisco Wireless
IP Phone 7920 Design and
Deployment Guide