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.
In the CLI
The following command enables the dot11k profile and sets the handover threshold at -60dbm.
(host) (config) #wlan handover-profile default
(host) (802.11K Profile "default") #dot11k-enable
(host) (802.11K Profile "default") #handover-trigger-profile default
(host) (802.11K Profile "default") #exit
(host) (config) #wlan handover-trigger-profile default
(host) (Handover Trigger Profile) #handover-trigger
(host) (Handover Trigger Profile) #handover-threshold 60
The handover threshold value is a negative dbm value. In the CLI, enter the value without the negative (-) sign.
Working with Dial Plan for SIP Calls
A PSTN call from a SIP device usually requires the user to prefix 9 or 0 before the destination number. You can
configure dial plans (prefix codes) on the switch that are required by the local EPABX system to provide
outgoing PSTN call facility from a SIP device. After the dial plan is configured, a user can make SIP calls by
dialing the destination number without any prefixes.
Dial plan can be configured only for SIP over UDP.
AOS-W 6.5.3.x | User Guide Voice and Video | 977
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