Telstrat Argent User Manual
Page 24
Argent Terminal Adaptor - User Guide
Version 1.1
Telstra Corporation Limited
Page 24/29
ACN 051 775 556
5.1.1 Abbreviations used in the POTS feature descriptions
[...]
Square brackets indicate that the enclosed item is optional
DN
Destination number
DT
Dial Tone
OH
Off Hook
RH
Replace Handset when condition detected by ATA
RR
Recall signal from telephone
RSP
Network Responds with confirmation tone