# Precedence Level IE fields

The following tables show the valid settings for the fields of the Precedence Level IE structure:

- level

- lfb

- change

- coding_std

- domain

- net_id

## level

Value | Description
--- | ---
0 | FLASH OVERRIDE: Highest precedence level.
1 | FLASH
2 | IMMEDIATE
3 | PRIORITY
4 | ROUTINE: Lowest precedence level.

## lfb

Value | Description
--- | ---
0 | MLPP_LFB_ALLOWED: Look-ahead for busy (LFB) allowed.
1 | MLPP_LFB_NOT_ALLOWED: LFB not allowed.
2 | IMLPP_LFB_PATH_RESERVED: Path reserved.

## change

Value | Description
--- | ---
0 | Precedence level coding privilege can be changed at the network boundaries.
1 | Precedence level coding privilege cannot be changed at the network boundaries.

## coding_std

Value | Description
--- | ---
0 | CCITT standardized coding.
1 | National standard.

## domain

MLPP service domain. 24-bit pure binary expressing the number that uniquely identifies a customer domain across multiple ISDN networks.

## net-id

Network identity. Each digit is in binary coded decimal representation from 0 to 9.