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Configuring Switch Ports for Wired IP Phones ................................................................................................................................26
Sample Voice Packet Capture...........................................................................................................................................................27
Call Admission Control.........................................................................................................................................................................27
Pre-Call Admission Control..............................................................................................................................................................28
Roaming Admission Control ............................................................................................................................................................29
Traffic Classification (TCLAS) .............................................................................................................................................................29
Roaming ...................................................................................................................................................................................................30
Interband Roaming................................................................................................................................................................................30
Channel Parking ................................................................................................................................................................................30
Multicast...................................................................................................................................................................................................31
Designing the Wireless LAN for Voice ..................................................................................................................................................31
Planning Channel Usage ......................................................................................................................................................................31
5 GHz (802.11a)................................................................................................................................................................................32
Using Dynamic Frequency Selection (DFS) on Access Points ....................................................................................................32
2.4 GHz (802.11b/g) .........................................................................................................................................................................33
Signal Strength and Coverage...........................................................................................................................................................34
Configuring Data Rates ........................................................................................................................................................................37
Call Capacity ........................................................................................................................................................................................37
Dynamic Transmit Power Control (DTPC) ..........................................................................................................................................38
Multipath ...............................................................................................................................................................................................39
Verification with Site Survey Tools .......................................................................................................................................................40
Cisco 792xG Neighbor List ..............................................................................................................................................................40
Cisco 792xG Site Survey ..................................................................................................................................................................40
Configuring Cisco Unified Communications Manager .......................................................................................................................43
Phone Button Templates .......................................................................................................................................................................43
Softkey Templates..................................................................................................................................................................................43
Security Profiles ....................................................................................................................................................................................44
G.722 Advertisement .............................................................................................................................................................................45
Product Specific Configuration Options ...............................................................................................................................................45
Configuring the Cisco Unified Wireless LAN Controller and Access Points ....................................................................................50
SSID / WLAN Settings ...........................................................................................................................................................................51
Controller Settings ................................................................................................................................................................................53
802.11 Network Settings........................................................................................................................................................................55
Auto RF.............................................................................................................................................................................................56
EDCA Parameters .............................................................................................................................................................................59
DFS (802.11h)...................................................................................................................................................................................59
Call Admission Control Settings ...........................................................................................................................................................60
Configuring QoS Basic Service Set (QBSS)..........................................................................................................................................63
Configuring Auto-Immune ....................................................................................................................................................................64
Configuring the WLAN Controller EAP-Request and EAPOL-Key Timeouts......................................................................................65
Configuring Proxy ARP ........................................................................................................................................................................66
Configuring TKIP Countermeasure Holdoff Time................................................................................................................................66
Cisco Unified Wireless IP Phone 7925G Series Deployment Guide
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