Cisco Systems 7920 IP Phone User Manual


 
10.21.15.10).
Click Apply to save the settings.b.
When this popup warning appears, click OK:5.
Choose Security > Encryption Manager.
The Encryption Manager page appears.
Select the VLAN ID 2 on the Set Encryption Mode and Keys for VLAN drop−down list.a.
In the Encryption Modes area, click the WEP Encryption radio button, and select
Mandatory.
b.
Remove all of the Encryption Keys, if there are any listed.c.
In the Global Properties area, under Broadcast Key Rotation Interval, click the Enable
Rotation with Interval radio button and set its value to 300 (seconds).
d.
Click Apply to save the settings.e.
6.