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Features
Direct Inward System Access (DISA)
Strata DK Digital Telephone 6/00 47
DISA Calls - External
1. From outside the
system, call the DISA
CO line telephone
number.
You hear a ringback tone signal, then an internal dial
tone for 10 seconds.
If you do not dial within 10 seconds, the system
automatically rings the DISA CO line as a normal
incoming call. Then, if the call is not answered within
15 seconds after the ringing starts, it disconnects.
2. When you hear dial
tone, dial a CO line or
CO line access code
You hear dial tone. If you do not hear dial tone, you
must also dial a DISA security code.
...or dial a CO line or
CO line access code
and then a DISA
security code. See
Table 13 on Page 134
access codes.
You hear dial tone.
Note See the System Administrator for the DISA
security code number. If the correct code is not
entered, the call disconnects.
3. When you hear dial
tone, dial a telephone
number.
If set in system programming, both parties hear a
warning tone approximately 4, 10, or 20 minutes after
the call was made. Press
to reset the timer each time
the tone sounds (for an additional 4, 10, or 20
minutes). If you do not press
, the call disconnects
approximately one minute after the tone.