S-159
7-3.
Table of reference code
Code
Function
CFR
Confirmation to Receive. 1850 Hz or 1650 Hz 3 sec.
CIG
Calling Station Identification.
CRP
Command Repeat.
CSI
Called Subscriber Identification.
DCN
Disconnect.
DCS
Digital Identification Signal.
DIS
Digital Transmit Command.
DTC
Digital Transmit Command.
EOM
End of Message. 1,100 Hz.
EOP
End of Procedure.
FTT
Failure to Train.
MCF
Message Confirmation. 1,650 Hz or 1,850 Hz.
MPS
Multi-Page Signal.
NCS
Non-Standard Facilities Command.
NCF
Non-Standard Facilities.
NSS
Non-Standard Facilities Set-up.
PIN
Procedural Interrupt Negative.
PIP
Procedural Interrupt Positive.
PRI-EOM Procedure Interrupt-End of Message (COM).
PRI-MPS Procedure Interrupt-Multi page Signal (MPS).
PRI-EOP Procedure Interrupt-End of Procedure (EOP).
RTN
Retrain Negative.
RTP
Retrain Positive.
TSI
Transmitting Station Identification.