Direct Inward System Access (Disa) - Toshiba StrataCT User Manual

Direct Inward System Access (DISA)

Direct Inward System Access (DISA)
Outside callers with telephones that send Dual-tone Multi-frequency (DTMF) tones can call on
Exchange lines programmed for DISA and dial a [DN] or outgoing Exchange Line without going
through an attendant or operator. See the System Administrator for this number.
To make an internal DISA Call
1. Dial the DISA Exchange
Line telephone number.
2. Dial a [DN].
3. Press
busy tone and repeat Step
2 to make another call.
To make an external DISA Call
1. Call the DISA Exchange
Line telephone number.
40
*
anytime you hear
Note
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
causes the DISA Exchange 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.
You hear ring tone. When the station answers, you are
connected.
If the call is not answered after 6 rings or 24 seconds,
Note
(whichever comes first) you hear busy tone.
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.
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 Exchange Line as a normal incoming call.
Then, if the call is not answered within 15 seconds after the
ringing starts, it disconnects.
Strata CT Electronic Telephone User Guide November 2001
Features