Digital Features
Direct Inward System Access (DISA)
54 Strata AirLink Integrated Wireless Handset 5/99
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➤To make a direct inward station call with DISA
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➤To make an outgoing call with DISA
1. From outside the
system, dial the
DISA CO line
telephone number.
You hear a ringback tone signal, then an i nternal dial
tone for 10 seconds.
If you do not dial within 10 seconds, the system
automatically causes the DISA CO line to ring a
telephone or group of telephones designated in
system programming. Then, if the call is not
answered within 15 seconds after the ringing starts,
it disconnects.
2. When you hear dial
tone, dial a [DN]. You hear ring tone. When the station answers, you
are connected.
If the call is not answered after 6 rings or 24
seconds, (whichever comes first) you hear busy
tone.
3. If you receive busy
tone or want to dial
another number while
the station is still
ringing, press -.
Repeat Step 2.
To call another station after completing a DISA
station call, the internal party must transfer you.
Station and System Page cannot be accessed on
DISA calls.
1. From outside the
system, press CALL
+ the DISA CO line
telephone number.
You hear a ringback tone signal, then an i nternal dial
tone for 10 seconds.
If you do not dial within 10 seconds, the system
automatically rings the DISA CO line as a norma l
incoming call. Then, if the call is not answered
within 15 seconds after the ringing starts, it
disconnects.
2. When you hear dial
tone, enter 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.