S-122
(16) SOFT SWITCH: #16
(17) SOFT SWITCH: #17
• T5: 60 ± 5 sec in ITU-T standard
Bit
No.
Designation
Function
Initial
Setting
Bit HEX
8
Reserved Reserved
0
0
7
Reserved Reserved
0
6
Reserved Reserved
0
5
Reserved Reserved
0
4
Reserved Reserved
0
3
3
Reserved
Reserved
0
2
Fax communica-
tion coding
method
1
1
1
Bit
No.
Designation
Function
Initial
Setting
Bit HEX
8
Reserved Reserved
0
0
7
Reserved Reserved
0
6
CED frequency
0: 2100 Hz
1: 1100 Hz
0
5
Pause between
off hook and CED
signal
0
4
0
0
3
0
2
Inactivity timer
[T5]
0
1
0
Coding
method
MMR
MR
MH
JBIG
Bit 2
0
0
1
1
Bit 1
0
1
0
1
Time
(T=)
1.8 sec
to 2.5 sec
T+ 100 ms T+ 200 ms T+ 300 ms
Bit 5
0
0
0
0
Bit 4
0
0
1
1
Bit 3
0
1
0
1
Time
(T=)
T+ 400 ms T+ 500 ms T+ 600 ms T+ 700 ms
Bit 5
1
1
1
1
Bit 4
0
0
1
1
Bit 3
0
1
0
1
Descript
ion
T5
T5 + 20 sec T5 + 40 sec T5 + 60 sec
Bit 2
0
0
1
1
Bit 1
0
1
0
1