3-28
DBS 576HD (USA) issued September 2001
576-50-700
Chapter 7. SLT Features
Section 700 - Operation
Direct Inward System Access
Description
Direct Inward System Access (DISA) gives off-site users dial-in access to the System. You access
DISA from an outside location by entering a digit number assigned to a DISA trunk.
For security reasons, 16 incoming DISA ID codes/TRS class can be assigned. If a code is assigned, it
must be entered as soon as the DISA trunk answers.
Operation
To make a DISA call to an extension:
To make a DISA call to an outside number:
Hardware Requirements
•
N/A
Related Programming
•
FF1-0-26: DISA Incoming Code
•
FF1-0-26: DISA Outgoing Codes and TRS Assignments
•
FF1-0-04: Class of Service (DISA ID Check)
•
FF2: Ring Type
Considerations
•
Busy override cannot be used for a DISA line.
•
DISA can be used to access extensions as well as outside numbers.
•
Paging cannot be accessed from a DISA line.
•
While dialing an extension number, the
*
key may be entered to cancel dialing and return to dial
tone. The
#
key may be entered to disconnect.
Action
Result
1. From an outside location, enter the DISA trunk number.
DISA dial tone
2. If an incoming DISA code is assigned enter the DISA code
(up to 10 digits). Otherwise, proceed to step 3.
3. Dial the extension number.
Action
Result
1. From an outside location, enter the DISA trunk number.
DISA dial tone
2. If an incoming DISA code is assigned enter the DISA code
(up to 10 digits). Otherwise, proceed to step 3.
3. Enter the Trunk group number (
9
or
81
-
84
)
4. Dial the phone number.
