Display Filter Reference: ISDN Q.921-User Adaptation Layer
Protocol field name: iua
Versions: 1.0.0 to 4.2.5
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| Field name | Description | Type | Versions |
|---|---|---|---|
| iua | ASP identifier | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Reason | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Diagnostic information | Byte sequence | 1.0.0 to 4.2.5 |
| iua | SAPI | Unsigned integer (8 bits) | 1.12.0 to 4.2.5 |
| iua | One bit | Boolean | 1.0.0 to 4.2.5 |
| iua | SAPI | Unsigned integer (8 bits) | 1.0.0 to 4.2.5 |
| iua | Spare | Unsigned integer (16 bits) | 1.0.0 to 4.2.5 |
| iua | Spare bit | Boolean | 1.0.0 to 4.2.5 |
| iua | TEI | Unsigned integer (8 bits) | 1.0.0 to 4.2.5 |
| iua | Zero bit | Boolean | 1.0.0 to 4.2.5 |
| iua | Error code | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Heartbeat data | Byte sequence | 1.0.0 to 4.2.5 |
| iua | Info string | Character string | 1.0.0 to 4.2.5 |
| iua | Integer interface identifier | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | End | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Start | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Message class | Unsigned integer (8 bits) | 1.0.0 to 4.2.5 |
| iua | Message length | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Message Type | Unsigned integer (8 bits) | 1.0.0 to 4.2.5 |
| iua | Parameter length | Unsigned integer (16 bits) | 1.0.0 to 4.2.5 |
| iua | Parameter padding | Byte sequence | 1.0.0 to 4.2.5 |
| iua | Parameter Tag | Unsigned integer (16 bits) | 1.0.0 to 4.2.5 |
| iua | Parameter value | Byte sequence | 1.0.0 to 4.2.5 |
| iua | Reason | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Reserved | Unsigned integer (8 bits) | 1.0.0 to 4.2.5 |
| iua | Status identification | Unsigned integer (16 bits) | 1.0.0 to 4.2.5 |
| iua | Status type | Unsigned integer (16 bits) | 1.0.0 to 4.2.5 |
| iua | TEI status | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Text interface identifier | Character string | 1.0.0 to 4.2.5 |
| iua | Traffic mode type | Unsigned integer (32 bits) | 1.0.0 to 4.2.5 |
| iua | Version | Unsigned integer (8 bits) | 1.0.0 to 4.2.5 |