ISUP ACC Configuration Bytes

Byte

Description

Value

0x01

Enable/Disable ACC Remote Algorithm

0x00=Disable

0x01=Enable (default)

0x02

Remote Node ACC or non-ACC

0x00=non-ACC node

0x01=ACC node (default)

0x03

Enable/Disable Network/Link Congestion Control

0x00=Disable

0x01=Enable (default)

0x14

Throttle Timer Ticks in Seconds

0x01=one second

0x1E

Average Timer Ticks in Seconds

0x04=four seconds

0x1F

Alpha Value of Average Timer normalized to 128

64 dec (.5)

0x40

0x20

Beta Value of Average Timer normalized to 128

64 dec (.5)

0x40

0x21

X Value of Average Timer normalized to 128

102 dec (.2)

0x66

0x22

Y Value of Average Timer normalized to 128

25 (.8)

0x19

0x23

Threshold (Leaky Bucket Size) of Remote Node for Congestion Level 1

10 decimal

0x0A

0x24

Threshold (Leaky Bucket Size) of Remote Node for Congestion Level 2

5 decimal

0x05

0x25

Increment Factor for Remote Node

10 decimal

0x0A

0x28

Network Congestion Control (NCC) Multiplicative Decrement Constant Beta_0 normalized to 128

128 decimal

0x80

0x29

NCC Multiplicative Decrement Constant Beta_1 normalized to 128

122 decimal

0x7A

0x2A

NCC Multiplicative Decrement Constant Beta_2 normalized to 128

110 decimal

0x6E

0x2B

NCC Multiplicative Decrement Constant Beta_3 normalized to 128

90 decimal

0x5A

0x2C

NCC Multiplicative Decrement Constant Beta_4 normalized to 128

40 decimal

0x28

0x2D

NCC Additive Increase Constant Alpha

8 decimal

0x08

0x32

NCC Handling of TFC

0x00=Multi levels with priorities(ANSI, CHINA, JT)

0x01= Single Level without priorities(ITU)

0x02=Multi levels without priorities(BT)