NEC ASPILA EX Feature Manual page 187

Operation
Aspila EX Software Manual
To place a DISA call into the system (from any 2500 type telephone):
1. Dial the telephone number that rings the DISA trunk.
2. Wait for the DISA trunk to automatically answer with a unique dial tone.
3. Dial the 6-digit DISA password (access code).
4. Wait for a second unique dial tone.
5. Dial an extension (200-499).
OR
Dial 9 for Trunk Group Routing or ARS.
OR
Dial Alternate Trunk Route Access Code (if enabled).
OR
Dial 804 + a trunk group number (1-100) for an outside call.
OR
Dial 805 + a trunk number (1-200) for an outside call.
OR
Dial 813 + Common Abbreviated Dialing bin number.
OR
Dial 0 for the operator.
OR
Dial 801 + an Internal Paging Zone number (0, 1-9, 00, 01-64).
OR
Dial 803 + an External Paging Zone number (1-8 or 0 for All Call).
OR
Dial 810 + a busy extension number to barge in to a call.
OR
Dial 828 to set the time + two digits for two digits for hour (24 hour clock, 13=1:00 PM) +
two digits for minutes.
Direct Inward System Access (DISA)
Features 173