Display Filter Reference: Q.931

Protocol field name: q931

Versions: 1.0.0 to 3.4.7

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Field name Description Type Versions
q931.accept_data_flow_control Accept data with flow control mechanism Boolean 2.0.0 to 3.4.7
q931.accept_data_net_independent_clock Accept data with network independent clock Boolean 2.0.0 to 3.4.7
q931.avaya_display Avaya Display Character string 2.0.0 to 3.4.7
q931.bearer_capability.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.bearer_capability.data_bits Data bits Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.default_packet_size Default packet size Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.duplex Duplex Boolean 2.0.0 to 3.4.7
q931.bearer_capability.intermediate_rate Intermediate rate Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.mode Mode Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.modem_type Modem type Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.packet_window_size Packet window size Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.parity Parity Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.rate_multiplier Rate multiplier Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.stop_bits Stop bits Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.user_rate User rate Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.bearer_capability.window_size Window size Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.call_ref Call reference value Sequence of bytes 1.0.0 to 3.4.7
q931.call_ref_flag Call reference flag Boolean 1.0.0 to 3.4.7
q931.call_ref_len Call reference value length Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.call_state Call state Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.call_state.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.called_party_number.digits Called party number digits Character string 1.0.0 to 3.4.7
q931.calling_party_number.digits Calling party number digits Character string 1.0.0 to 3.4.7
q931.cause.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.cause.recommendation Recommendation Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.cause_call.condition Condition Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.cause_call.diagnostic Diagnostic Sequence of bytes 2.0.0 to 3.4.7
q931.cause_call.message_type Message type Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.cause_call.rec_timer Timer Character string 2.0.0 to 3.4.7
q931.cause_call.rejection_reason Rejection reason Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.cause_call.user_specific_diagnostic User specific diagnostic Sequence of bytes 2.0.0 to 3.4.7
q931.cause_location Cause location Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.cause_value Cause value Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.channel.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.channel.dchan D-channel indicator Boolean 1.0.0 to 3.4.7
q931.channel.element_type Element type Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.channel.exclusive Indicated channel Boolean 1.0.0 to 3.4.7
q931.channel.interface_id Interface ID Unsigned integer, 4 bytes 2.0.0 to 3.4.7
q931.channel.interface_id_present Interface identifier present Boolean 1.0.0 to 3.4.7
q931.channel.interface_type Interface type Boolean 1.0.0 to 3.4.7
q931.channel.map Number/map Boolean 1.0.0 to 3.4.7
q931.channel.number Channel number Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.channel.selection Information channel selection Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.channel.slot_map Slot map Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.coding_standard Coding standard Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.congestion_level Congestion level Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.connected_number.digits Connected party number digits Character string 1.0.0 to 3.4.7
q931.cug_index_code CUG index code Character string 2.0.0 to 3.4.7
q931.cug_indication CUG indication Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.cumulative_transit_delay Cumulative transit delay Unsigned integer, 2 bytes 2.0.0 to 3.4.7
q931.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.date_time Date/time Sequence of bytes 2.0.0 to 3.4.7
q931.date_time.invalid Date/time: Invalid length Label 2.0.0 to 3.4.7
q931.disc Protocol discriminator Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.display_information Display information Character string 2.0.0 to 3.4.7
q931.extended_audiovisual_characteristics Extended audiovisual characteristics identification Unsigned integer, 1 byte 1.4.0 to 3.4.7
q931.extended_high_layer_characteristics Extended high layer characteristics identification Unsigned integer, 1 byte 1.4.0 to 3.4.7
q931.extension.reason Reason for redirection Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.extension_condition Condition Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.extension_condition_type Type Boolean 2.0.0 to 3.4.7
q931.extension_ind Extension indicator Boolean 1.0.0 to 3.4.7
q931.extension_ind_new_status New status Unsigned integer, 1 byte 1.10.0 to 3.4.7
q931.extension_ind_preference Preference Unsigned integer, 1 byte 1.10.0 to 3.4.7
q931.fast_select Fast select Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.high_layer_characteristics High layer characteristics identification Unsigned integer, 1 byte 1.4.0 to 3.4.7
q931.high_layer_compat.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.incomplete_ie Incomplete IE in the 1st segment Label 2.0.0 to 3.4.7
q931.information_element Information element Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.information_element.unknown Unknown information element Label 2.0.0 to 3.4.7
q931.information_element_len Length Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.information_rate.incoming Incoming information rate Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.information_rate.minimum_incoming Minimum incoming information rate Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.information_rate.minimum_outgoing Minimum outgoing information rate Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.information_rate.outgoing Outgoing information rate Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.information_transfer_capability Information transfer capability Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.information_transfer_rate Information transfer rate Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.insufficient_info_element Insufficient information element Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.interpretation Interpretation Unsigned integer, 1 byte 1.4.0 to 3.4.7
q931.invalid_length Invalid length Label 2.0.0 to 3.4.7
q931.keypad_facility Keypad facility Character string 2.0.0 to 3.4.7
q931.layer_1 Layer 1 Boolean 2.0.0 to 3.4.7
q931.layer_1_in_band_negotiation Layer 1 in-band negotiation Boolean 2.0.0 to 3.4.7
q931.layer_ident Layer identification Unsigned integer, 1 byte 1.2.0 to 3.4.7
q931.locking_codeset Locking codeset Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.maintenance_message_type Maintenance message type Unsigned integer, 1 byte 1.2.0 to 3.4.7
q931.maximum_end_to_end_transit_delay Maximum end-to-end transit delay Unsigned integer, 2 bytes 2.0.0 to 3.4.7
q931.message_originator Message originator Boolean 2.0.0 to 3.4.7
q931.message_segment Message segment Sequence of bytes 2.0.0 to 3.4.7
q931.message_type Message type Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.missing_info_element Missing information element Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.mode_of_operation mode of operation Boolean 2.0.0 to 3.4.7
q931.more_data More data Label 2.0.0 to 3.4.7
q931.multiple_frame_establishment Multiple frame establishment Boolean 2.0.0 to 3.4.7
q931.negotiation_is_done Negotiation is done Boolean 2.0.0 to 3.4.7
q931.netid Network identification Character string 2.0.0 to 3.4.7
q931.netid.facility_specification Network-specific facility specification Sequence of bytes 2.0.0 to 3.4.7
q931.netid.length Network identification length Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.netid.plan Network identification plan Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.netid.type Type of network identification Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.network_service Network service Boolean 2.0.0 to 3.4.7
q931.notification_description Notification description Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.number_type Number type Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.numbering_plan Numbering plan Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.out_band_negotiation Out-band negotiation Boolean 2.0.0 to 3.4.7
q931.packet_size.backward_value Backward value Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.packet_size.forward_value Forward value Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.party_category Party category Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.party_subaddr Subaddress Sequence of bytes 2.0.0 to 3.4.7
q931.party_subaddr.odd_even Odd/even indicator Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.party_subaddr.type Type of subaddress Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.pl_binary_confirmation Confirmation Boolean 2.0.0 to 3.4.7
q931.pl_modulus Modulus Boolean 2.0.0 to 3.4.7
q931.pl_request Request Boolean 2.0.0 to 3.4.7
q931.pl_window_size.backward_value Backward value Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.pl_window_size.forward_value Forward value Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.presentation_ind Presentation indicator Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.presentation_method_protocol_profile Presentation method of protocol profile Unsigned integer, 1 byte 1.4.0 to 3.4.7
q931.progress_indicator.data Data Sequence of bytes 2.0.0 to 3.4.7
q931.progress_indicator.description Progress description Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.progress_indicator.location Location Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.protocol_negotiation Protocol negotiation Boolean 2.0.0 to 3.4.7
q931.rate_adaption_header Rate adaption header Boolean 2.0.0 to 3.4.7
q931.reassembled.length Reassembled Q.931 length Unsigned integer, 4 bytes 1.4.0 to 3.4.7
q931.reassembled_in Reassembled Q.931 in frame Frame number 1.0.0 to 3.4.7
q931.redirecting_number.digits Redirecting party number digits Character string 1.0.0 to 3.4.7
q931.repeat_indicator Repeat indicator Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.requested_end_to_end_transit_delay Requested end-to-end transit delay Unsigned integer, 2 bytes 2.0.0 to 3.4.7
q931.restart_indicator Restart indicator Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.reverse_charging_ind Reverse charging indication Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.screening_ind Screening indicator Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.segment Q.931 Segment Frame number 1.0.0 to 3.4.7
q931.segment.count Segment count Unsigned integer, 4 bytes 1.6.0 to 3.4.7
q931.segment.error Defragmentation error Frame number 1.0.0 to 3.4.7
q931.segment.first First segment Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.segment.multipletails Multiple tail fragments found Boolean 1.0.0 to 3.4.7
q931.segment.not_first Not first segment Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.segment.overlap Segment overlap Boolean 1.0.0 to 3.4.7
q931.segment.overlap.conflict Conflicting data in fragment overlap Boolean 1.0.0 to 3.4.7
q931.segment.toolongfragment Segment too long Boolean 1.0.0 to 3.4.7
q931.segment_type Segmented message type Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.segments Q.931 Segments Label 1.0.0 to 3.4.7
q931.send_data_flow_control Send data with flow control mechanism Boolean 2.0.0 to 3.4.7
q931.send_data_net_independent_clock Send data with network independent clock Boolean 2.0.0 to 3.4.7
q931.sending_complete Sending complete Label 2.0.0 to 3.4.7
q931.signal Signal Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.transfer_mode Transfer mode Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.transit_delay Transit delay Unsigned integer, 2 bytes 2.0.0 to 3.4.7
q931.uil1 User information layer 1 protocol Unsigned integer, 1 byte 1.0.0 to 3.4.7
q931.uil2 User information layer 2 protocol Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.uil2_info User-specified layer 2 protocol information Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.uil3 User information layer 3 protocol Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.uil3_additional Additional layer 3 protocol information Unsigned integer, 2 bytes 2.0.0 to 3.4.7
q931.user.bytes User information Sequence of bytes 2.0.0 to 3.4.7
q931.user.len User information Unsigned integer, 4 bytes 2.0.0 to 3.4.7
q931.user.protocol_discriminator Protocol discriminator Unsigned integer, 1 byte 2.0.0 to 3.4.7
q931.user.string User information Character string 2.0.0 to 3.4.7