Sample Voice Packet Capture; Call Admission Control - Cisco 7925G Deployment Manual

Below is a sample switch configuration:
mls qos
!
Interface X
mls qos trust device cisco-phone
mls qos trust dscp

Sample Voice Packet Capture

The packet capture below displays a voice packet bound for the Cisco Unified Wireless IP Phone 7925G, 7925G-EX, or 7926G
over the air being marked as DSCP = EF and UP = 6.

Call Admission Control

Inbound and outbound call admission control should be enabled on the access point.
Enable Call Admission Control / Wi-Fi MultiMedia Traffic Specifications (TSPEC)
•
Set the desired maximum RF bandwidth that is allocated for voice traffic (default = 75%)
•
Set the bandwidth that is reserved for roaming clients (default = 6%)
•
The minimum PHY rate can be configured for which the phone is to use when Call Admission Control (CAC) is enabled.
Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Deployment Guide
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