Panasonic KX-HTS824 Feature Manual page 26

3.1.4 DISA (Direct Inward System Access)
[Flow Chart]
A number is dialed.
The condition of
incoming call destination:
• Extension or Extension Group
• Busy
Received
26 Feature Manual
A DISA call is received.
The PBX answers the call.
DISA OGM
No Dial Destination?
No Dial Destination is
set to the incoming call
Yes
No
DISA Busy Mode?
(DISA Delayed Answer Time expires)
(DISA OGM Mute Time expires)
(DISA Wait Time after OGM expires)
Nothing is dialed.
No
Yes
destination.
OGM
Busy
Disconnected
Cyclic tone,
CPC signal
FAX Extension is set
The call is
disconnected.
Goes to
Fax (CNG) tone
to the incoming call
destination.