976| Voice and Video AOS-W 6.5.3.x| User Guide
You can use the WebUI or CLI to enable the SIP session timer and set the session-expiry timer value using the
WebUI and CLI.
SIP Session Timer can be configured only for SIP over UDP.
In the WebUI
1. Navigate to the Configuration > Advanced services > All Profiles page.
2. Expand Other profiles under the Profiles section and click SIP Settings.
3. Enable the session timer by selecting the Session Timer check box under the Profile Details section.
4. Specify a timeout value in seconds in the Session Expiry field. The range is 240- 1200 seconds. The default
value is 300 seconds.
Figure 211 Enabling SIP Session Timer
5. Click Apply.
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 switch:
(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 switch 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 switch will trigger the handover
process to switch the voice client to an alternate carrier or connection. This process ensures QoS for voice calls.
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