Panasonic DBS 824 Manual page 535

Direct Inward System Access (DISA)
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To program an incoming code from an attendant phone
In addition to the DISA ID Setting in FFl, the following procedure can be
used to program an incoming code
1
2
3 Dial "#7 '
4
5
6
Hardware Requirements
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1-16
FF2 (Trunk) DISA End Time
Press the ON/OFF key
The phone issues intercom dial tone
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The ON/OFF LED lights
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Press the CONF key
Enter the DISA code
Press the HOLD key
Press the ON/OFF key
The ON/OFF LED goes off
An MFR card is required for DISA (either the 2-circuit MFRU Circuit
Card VB-42431 or the &circuit MFR Circuit Card VB-43431) The MFR
card is required to detect DTMF tones entered via the DISA connection
CT1 (CO Tone 1, also labeled VRl) controls the ringing volume of DISA
calls to extensions when the MFR &circuit VB-43431 circuit card is used
extensions when the Zcircuit MFRU VB-42431 circuit card is used See
the DBS 824 Installation Manual (Section 300) for more information
DISA can be used to access extensions as well as outside numbers
Once an incoming DISA code is entered, you cannot blank it out without
entering the programming mode
Busy override cannot be used for a DISA line
System Features
Issue Date 3/l /95