STE User’s Manual
Calls
Rel. 2.6
7-15
Next, press
CONF
at STE-3. This places the first connection (between STE-3 and STE-1) in a suspense
state and automatically opens a second line at STE-3 to call STE-2. The Secure Casual Conference Call
Suspended menu (
Figure 7-13
) is displayed at STE-1.
Figure 7-13. Secure Casual Conference Call Suspended Menu
At STE-3, the Call menu (
) is presented for the second connection.
Figure 7-14. Secure Casual Conference Second Call Menu
Where:
“p” is the precedence code (FO, F, I, P, or blank (routine))
After dialing at STE-3, if the call cannot be completed because of a network failure or lack of resources,
the Network Rejected Call display is shown. The Bridgenode user then returns to the first call by pressing
the appropriate
CALL
button. When this is done, a Secure Call Failed display will be presented and the
CONF
indicator goes off. If in the Traditional or Auto-Secure modes, press
NONSEC
to reconnect to the
first Endnode, and terminate the call. If in the Secure-Only mode, attempt to reestablish a secure
connection or terminate the call by going on-hook.
Otherwise, the second connection (between STE-3 and STE-2) is established. To complete the
conference, the Bridgenode user needs to press
CONF
once more at STE-3. At this point, if no
downgrading is needed, the conference is established and the Secure Casual Conference Default Traffic
Menu (
Figure 7-15
) is displayed across all three STEs.
Figure 7-15. Secure Casual Conference Default Traffic Menu
If downgrading is needed because the classification levels of the two secure voice connections differ, two
things can happen:
1) If the classification level of the first connection (between STE-3 and STE-1) is lower, STE-3 will
automatically handle the downgrade and conference is established without user intervention.
2) On the contrary, if the classification level of the first connection is higher, STE-3 will generate a
downgrade message (
Figure 7-16
) and display it to its user for permission.
CALL SUSPENDED LINEn mmm ssss
SCROLL
CONFERENCE
AUTO-SECURE MODE LINEn mmm
Dial:p<telephone number>
XXXXXXXXXXXX LINEn mmm ssss
SCROLL
CONFERENCE
Summary of Contents for CEU
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