Instruction manual

Page 1308 of 3156 Direct Inward System Access
553-3001-306 Standard 10.00 January 2002
Feature operation
To dial into the system from the public network:
1 Dial the DISA number. You hear a dial tone.
2 Dial the security code, if required.
3 Dial the Authorization Code, if required.
RTMB xxx yyy Route number and member number, where:
xxx = 0-511, and
yyy = 1-254.
AT DN xxx...x DISA DN on which incoming calls are to auto-terminate.
SIGL GRD Ground Start signaling.