252 Reference
T1 Status Screen
The T1 Status Screen is divided into four different tables. The first table (at the top of the status
screen) contains columns that correspond to each unassigned T1 channel. The top row of the table
lists the last two digits of each port number from lowest to highest. (Reserved ports do not appear in
this table.)
DTMF, MF, CP,
Rsig, Xsig status
The second row—DTMF (Dual Tone Multi-Frequency)—lists the last state of DTMF for each
channel. The DTMF state is listed in a two-digit code. The following list contains DTMF codes and
their definitions.
DTMF Code Definition
00 DTMF tone D active
01 DTMF tone 1 active
02 DTMF tone 2 active
03 DTMF tone 3 active
04 DTMF tone 4 active
05 DTMF tone 5 active
06 DTMF tone 6 active
07 DTMF tone 7 active
08 DTMF tone 8 active
09 DTMF tone 9 active
0A DTMF tone 0 active
0B DTMF tone * active
0C DTMF tone # active
0D DTMF tone A active
0E DTMF tone B active
0F DTMF tone C active
1x DTMF tone x inactive
The third row—MF (Multi-Frequency)—lists the state of the last tone heard on each channel. The
MF state is also listed in a two-digit code. The following list contains MF codes and their
definitions.
MF Code Definition
00 MF tone 0 active
01 MF tone 1 active
02 MF tone 2 active
03 MF tone 3 active
04 MF tone 4 active
05 MF tone 5 active
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