Direct Inward System Access (Disa - NEC Electra Elite 48/192 Features And Specifications Manual

Direct Inward System
Access (DISA)
FEATURE
DESCRIPTION
SYSTEM
AVAILABILITY
OPERATING
PROCEDURES
Features and Specifications Manual
Direct Inward System Access (DISA) allows an outside caller to access the
system from an outside line without Attendant or station assistance. The
outside user may originate a call over any system facility such as a Tie line
network or CO/PBX trunk after successfully entering a password.
Terminal Type:
Not applicable
Required Components:
VRS(4)-U10 ETU to hear a message telling the caller which digits to enter for
DISA access. A message is not required for DISA to work.
To place a call using DISA:
1. Dial the desired number to connect to the system.
2. A special tone is heard after ringback tone. When a VRS(4)-U10
ETU is programmed for DISA, a voice announcement can be
provided instead of a special tone.
3. Dial the DISA Access Code.
• When accepted, internal dial tone is heard.
• When denied, error tone is heard.
4. Dial the DISA ID code (Station Number).
5. Dial the password.
6. Dial a Trunk Access Code and the desired outside number.
D-10
D - 31