PictureTel Concorde 4500, Administrator'S Manual, Page: 86 / 250

CONFIGURING GENERAL OPTIONS FOR YOUR SYSTEM
4-6
To set internal encryption (available when your system is
conÞgured for
dialed operation):
1. From the Set General Configuration menu, select Set Encryption
Mode
.
Table 4-3 lists the available settings.
F Y I
F.Y.I.
If your system is not conÞgured with the encryption option,
you will not see the
Enable Auto Key
or
Enable Manual Key
settings. You wonÕt see the
Enable External Encryption
or the
Enable External KG-194
settings if you donÕt have an RS-449
network interface.
Table 4-3: Encryption Mode Settings
Mode Setting Description
Disable Encryption No calls are encrypted (default).
Enable External Encryption Your system uses an external
encryption device (RS-449 interface
only).
Enable External KG-194 Your system uses an external
KG-194 encryption device.
Enable Auto Key Your system initiates a video call by
generating the encryption key; the
far end automatically receives the
decryption key and decrypts the
call.
Enable Manual Key Both you and the far-end party must
enter the
same decryption key on the
keypad for each call. For example, if
you choose
7344590,
the party you
are calling must also choose
7344590.
If you enter different keys, the call
connects but you see no video and
hear no audio
.