Installation guide

Step 5
Set the fields as described in Table 5-24 on page 79.
Table 5-24 Configuring settings for securing calls
Field Name Description
Accept protected calls If encryption is set to No, and the user receives an
encrypted call, the system can still accept the
encrypted incoming call. In this case, the established
call is encrypted.
Enable encryption If encryption is set to Yes, the system will use
encryption. This setting allows to configure a number of
fields in the page.
Unprotected calls Sets the policy the system will apply if the remote
terminal does not support protected calls.
•
Show Status – If selected, the system will display a
warning message and an open padlock symbol will
be displayed on the status bar.
•
Disconnect - If selected, the system will
automatically disconnect the call.
•
Ask Confirmation - If selected, the system will ask
you to confirm that you want to establish an
unprotected call.
•
Inform - If selected, the system will display a
warning message.
Length of AES key This value is always fixed at 128 bit, which is the
standard H.323 value.
Length of Prime DH Number This value is always fixed at 1024 bit, which is the
standard H.323 value.
Step 6
Select Save.
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