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709 | VoiceandVideo DellPowerConnectW-SeriesArubaOS6.2 | User Guide
Figure 307: Firewall Policies Tab
3. Click the Add button to create a new policy.
4. Enter a name for the policy in the Policy Name field and choose Session in the Policy Type drop down menu.
5. Select IPv4 in the IP Version drop down menu and click the Add button.
6. In the Service column, choose service and Select svc-sips (tcp-5061) from the Service drop-down menu.
7. Select the Classify Media check box.
NOTE: There will be a performance impact, if you choose any in the Service column and enable the Classify Media flag for the deep
traffic inspection.
Figure 308: Enabling Classify Media
8. Click Apply to apply the settings and save the configurations.
In the CLI
(host) (config) #ip access-list session ocs
(host) (config-sess-ocs)#any any tcp 5061 permit classify-media
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.
NOTE: 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