Users Guide

Table Of Contents
In the CLI
To configure the session timer and the timeout value:
(host) #configure terminal
(host) (config) #voice sip
(host) (SIP settings) #session-timer
(host) (SIP settings) #session-expiry 400
To view the SIP settings on the controller:
(host) #show voice sip
SIP settings
------------
Parameter Value
--------- -----
Session Timer Enabled
Session Expiry 400 sec
Dialplan Profile N/A
Enabling Wi-Fi Edge Detection and Handover for Voice Clients
Voice clients in an infrastructure can be switched to an alternate carrier or connection when they leave their
active Wi-Fi coverage or roam to an area with poor Wi-Fi coverage. The controller uses the best Wi-Fi signal
strength (dbm value) reported by the voice clients (received from all APs) to determine if the voice clients are
within or leaving their active Wi-Fi connection. If the signal strength is weak, the controller will trigger the
handover process to switch the voice client to an alternate carrier or connection. This process ensures QoS for
voice calls.
l The handover process is available for voice clients supporting the 802.11K standard and with the ability to transmit
and receive beacon reports.
l The voice clients should have dual mode capabilities to ensure that they can switch to an alternate network in case
of a loss in Wi-Fi coverage.
The handover process can be configured using the wlan handover-trigger-profile command. Use the
handover-threshold parameter to specify the threshold value (dbm) and enable the handover-trigger
parameter. If the best signal strength reported by a voice client is equal to or less than the threshold value, the
handover process is initiated.
In the WebUI
1. Navigate to the Configuration > Advanced Services > All Profiles page.
2. Expand Wireless Lan under the Profiles section.
3. Expand 802.11 K profile under Wireless Lan.
4. Select the default profile.
5. Select Advertise 802.1k Capability.
6. In the profiles list, note which Handover Trigger Feature Settings profile is associated with the selected
802l11k profile.
7. Expand Handover Trigger under Wireless Lan.
8. Select the handover trigger profile associated with the default 802.11k profile.
9. Select the Enable Handover Trigger feature checkbox
10.Specify the handover threshold value in the Threshold signal strength value at which handover
Trigger should be sent to the client field. The handover threshold value should be within the range 20
to 70 dbm. The default threshold value is -60 dbm.
11.Click Apply.
Dell Networking W-Series ArubaOS 6.5.x | User Guide Voice and Video |
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