Display Filter Reference: ISDN Q.921-User Adaptation Layer
Protocol field name: iua
Versions: 1.0.0 to 4.0.3
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| Field name | Description | Type | Versions |
|---|---|---|---|
| iua.asp_identifier | ASP identifier | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.asp_reason | Reason | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.diagnostic_information | Diagnostic information | Byte sequence | 1.0.0 to 4.0.3 |
| iua.dlci_gsm_sapi | SAPI | Unsigned integer (1 byte) | 1.12.0 to 4.0.3 |
| iua.dlci_one_bit | One bit | Boolean | 1.0.0 to 4.0.3 |
| iua.dlci_sapi | SAPI | Unsigned integer (1 byte) | 1.0.0 to 4.0.3 |
| iua.dlci_spare | Spare | Unsigned integer (2 bytes) | 1.0.0 to 4.0.3 |
| iua.dlci_spare_bit | Spare bit | Boolean | 1.0.0 to 4.0.3 |
| iua.dlci_tei | TEI | Unsigned integer (1 byte) | 1.0.0 to 4.0.3 |
| iua.dlci_zero_bit | Zero bit | Boolean | 1.0.0 to 4.0.3 |
| iua.error_code | Error code | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.heartbeat_data | Heartbeat data | Byte sequence | 1.0.0 to 4.0.3 |
| iua.info_string | Info string | Character string | 1.0.0 to 4.0.3 |
| iua.int_interface_identifier | Integer interface identifier | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.interface_range_end | End | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.interface_range_start | Start | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.message_class | Message class | Unsigned integer (1 byte) | 1.0.0 to 4.0.3 |
| iua.message_length | Message length | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.message_type | Message Type | Unsigned integer (1 byte) | 1.0.0 to 4.0.3 |
| iua.parameter_length | Parameter length | Unsigned integer (2 bytes) | 1.0.0 to 4.0.3 |
| iua.parameter_padding | Parameter padding | Byte sequence | 1.0.0 to 4.0.3 |
| iua.parameter_tag | Parameter Tag | Unsigned integer (2 bytes) | 1.0.0 to 4.0.3 |
| iua.parameter_value | Parameter value | Byte sequence | 1.0.0 to 4.0.3 |
| iua.release_reason | Reason | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.reserved | Reserved | Unsigned integer (1 byte) | 1.0.0 to 4.0.3 |
| iua.status_identification | Status identification | Unsigned integer (2 bytes) | 1.0.0 to 4.0.3 |
| iua.status_type | Status type | Unsigned integer (2 bytes) | 1.0.0 to 4.0.3 |
| iua.tei_status | TEI status | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.text_interface_identifier | Text interface identifier | Character string | 1.0.0 to 4.0.3 |
| iua.traffic_mode_type | Traffic mode type | Unsigned integer (4 bytes) | 1.0.0 to 4.0.3 |
| iua.version | Version | Unsigned integer (1 byte) | 1.0.0 to 4.0.3 |