2.2 Programming
Programming Guide
21
Detailed Explanations
QoS Field Settings
The following diagrams show the bit values of the ToS field in the IP header in relation to the setting
values for the parameters under
ToS
FAX High Reliable Method (Original)
Specifies the use of the packet multiplexing feature during fax
communications.
For details, refer to "Detailed Explanations".
Don't use
Use,
Don't use
DTMF Detection Level (dB) -20-0dB
Specifies the level (in decibels) of DTMF detection.
Generally, there is no need to change the default value.
-20
-20 to 0
Parameter & Description
Default
Value Range
....
....
....
Bit 0
Bit 8
IP Header
Version
IHL
Total Length
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
Priority: 0
Priority: 1
Priority: 2
Priority: 3
Priority: 4
Priority: 5
Priority: 6
Priority: 7
Bit 15
Reserved
Bit 32
IP Packet
Type of Service
0
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
1
0
0
0
Normal
Monetary Cost
Reliability
Throughput
Delay
