2.2 Programming

Parameter & Description

Default

Value Range

FAX Signal Detection

Don't use

Use,

Specifies the use of the fax signal detection feature.

 

Don't use

 

 

Fax signal detection enables end-to-end fax signal relay over

 

 

the network.

 

 

For details, refer to "Detailed Explanations".

 

 

 

 

 

DTMF Detection Level (dB) -46-0dB

-20

-46 to 0

Specifies the level (in decibels) of DTMF detection.

 

 

Generally, there is no need to change the default value.

 

 

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 QoS Field Settings:

ToS

0

0

0

 

Priority: 0

 

 

 

 

 

 

 

 

 

 

 

 

0

0

1

 

Priority: 1

 

 

 

 

 

 

 

 

 

 

 

 

0

1

0

 

Priority: 2

 

 

 

 

 

 

 

 

 

 

 

 

0

1

1

 

Priority: 3

 

0

 

0

 

0

 

0

 

Normal

1

0

0

 

Priority: 4

 

0

 

0

 

0

 

1

 

Monetary Cost

1

0

1

 

Priority: 5

 

0

 

0

 

1

 

0

 

Reliability

1

1

0

 

Priority: 6

 

0

 

1

 

0

 

0

 

Throughput

1

1

1

 

Priority: 7

 

1

 

0

 

0

 

0

 

Delay

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reserved

Bit 15

Bit 0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bit 32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IP Header Version

 

IHL

Type of Service

 

 

 

 

 

Total Length

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IP Packet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

....

 

 

 

....

 

 

 

 

 

....

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22 Programming Guide