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Display Filter Reference: ISDN Q.921-User Adaptation Layer
Protocol field name: iua
Versions: 1.0.0 to 1.6.5
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| Field name | Type | Description | Versions |
|---|---|---|---|
| iua.asp_identifier | Unsigned integer, 4 bytes | ASP identifier | 1.0.0 to 1.6.5 |
| iua.asp_reason | Unsigned integer, 4 bytes | Reason | 1.0.0 to 1.6.5 |
| iua.diagnostic_information | Sequence of bytes | Diagnostic information | 1.0.0 to 1.6.5 |
| iua.dlci_one_bit | Boolean | One bit | 1.0.0 to 1.6.5 |
| iua.dlci_sapi | Unsigned integer, 1 byte | SAPI | 1.0.0 to 1.6.5 |
| iua.dlci_spare | Unsigned integer, 2 bytes | Spare | 1.0.0 to 1.6.5 |
| iua.dlci_spare_bit | Boolean | Spare bit | 1.0.0 to 1.6.5 |
| iua.dlci_tei | Unsigned integer, 1 byte | TEI | 1.0.0 to 1.6.5 |
| iua.dlci_zero_bit | Boolean | Zero bit | 1.0.0 to 1.6.5 |
| iua.error_code | Unsigned integer, 4 bytes | Error code | 1.0.0 to 1.6.5 |
| iua.heartbeat_data | Sequence of bytes | Heartbeat data | 1.0.0 to 1.6.5 |
| iua.info_string | Character string | Info string | 1.0.0 to 1.6.5 |
| iua.int_interface_identifier | Unsigned integer, 4 bytes | Integer interface identifier | 1.0.0 to 1.6.5 |
| iua.interface_range_end | Unsigned integer, 4 bytes | End | 1.0.0 to 1.6.5 |
| iua.interface_range_start | Unsigned integer, 4 bytes | Start | 1.0.0 to 1.6.5 |
| iua.message_class | Unsigned integer, 1 byte | Message class | 1.0.0 to 1.6.5 |
| iua.message_length | Unsigned integer, 4 bytes | Message length | 1.0.0 to 1.6.5 |
| iua.message_type | Unsigned integer, 1 byte | Message Type | 1.0.0 to 1.6.5 |
| iua.parameter_length | Unsigned integer, 2 bytes | Parameter length | 1.0.0 to 1.6.5 |
| iua.parameter_padding | Sequence of bytes | Parameter padding | 1.0.0 to 1.6.5 |
| iua.parameter_tag | Unsigned integer, 2 bytes | Parameter Tag | 1.0.0 to 1.6.5 |
| iua.parameter_value | Sequence of bytes | Parameter value | 1.0.0 to 1.6.5 |
| iua.release_reason | Unsigned integer, 4 bytes | Reason | 1.0.0 to 1.6.5 |
| iua.reserved | Unsigned integer, 1 byte | Reserved | 1.0.0 to 1.6.5 |
| iua.status_identification | Unsigned integer, 2 bytes | Status identification | 1.0.0 to 1.6.5 |
| iua.status_type | Unsigned integer, 2 bytes | Status type | 1.0.0 to 1.6.5 |
| iua.tei_status | Unsigned integer, 4 bytes | TEI status | 1.0.0 to 1.6.5 |
| iua.text_interface_identifier | Character string | Text interface identifier | 1.0.0 to 1.6.5 |
| iua.traffic_mode_type | Unsigned integer, 4 bytes | Traffic mode type | 1.0.0 to 1.6.5 |
| iua.version | Unsigned integer, 1 byte | Version | 1.0.0 to 1.6.5 |