D-4
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified Communications Manager Release 7.0
OL-15985-01
Appendix D Checklist for Deploying the Cisco Unified Wireless IP Phone 7921G
Configuring the Cisco Unified Wireless IP Phone 7921G in Cisco Unified Communications Manager
•
WLAN configuration screen for the voice WLAN SSID/VLAN—For the 7921G Phone Support
field, check the AP CAC Limit checkbox to enable QoS Element for Wireless Phones (QBSS).
•
General Controller configuration screen—Set Aggressive Load Balancing to Disabled.
Switch Configuration
To implement QoS in the connected Ethernet switch individual configurations will vary; however, you
can use this example of QoS commands as a guide.
mls qos
mls qos map cos-dscp 0 8 16 24 34 46 48 56
mls qos map ip-prec-dscp 0 8 16 24 34 46 48 56
interface FastEthernet0/00
switchport access vlan 11
switchport mode access
switchport voice vlan 111
no ip address
mls qos trust dscp
wrr-queue cos-map 1 1
wrr-queue cos-map 2
wrr-queue cos-map 3 2 3 4 6 7
wrr-queue cos-map 4 5
priority queue out
spanning-tree portfast
Note
When you are using U-APSD for power save, you must implement proper QoS policies on the access
points and Ethernet switch.
Configuring the Cisco Unified Wireless IP Phone 7921G in Cisco
Unified Communications Manager
Table D-2
provides an overview and checklist of configuration tasks for the Cisco Unified Wireless
IP Phone 7921G in Cisco Unified Communications Manager Administration. The list presents a
suggested order to guide you through the phone configuration process. Some tasks are optional,
depending on your system and user needs. For detailed procedures and information, refer to the sources
in the list.