Wireshark · Display Filter Reference: GSM A-I/F DTAP

Field name	Description	Type	Versions
gsm_a.dtap.acceptable_channel_codings	Acceptable channel codings	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings.spare	Acceptable channel codings (Spare)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings.TCH_F14_4	Acceptable channel codings (TCH/F14.4)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings.TCH_F4_8	Acceptable channel codings (TCH/F4.8)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings.TCH_F9_6	Acceptable channel codings (TCH/F9.6)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings_ext.TCH_F28_8	Acceptable channel codings extended (TCH/F28.8)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings_ext.TCH_F32_0	Acceptable channel codings extended (TCH/F32.0)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.acceptable_channel_codings_ext.TCH_F43_2	Acceptable channel codings extended (TCH/F43.2)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.access_identity	Access Identity	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.ack_element	Acknowledgment element	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.add_ci	Add CI	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.afi	Authority and Format Identifier	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.alerting_pattern	Alerting Pattern	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.assignor_assignee	Assignor/Assignee	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.autn	AUTN value	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.autn.amf	AMF	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.autn.invalid	AUTN length not equal to 16	Label	1.12.0 to 4.4.2
gsm_a.dtap.autn.mac	MAC	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.autn.sqn_xor_ak	SQN xor AK	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.auts	AUTS value	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.auts.invalid	AUTS length not equal to 14	Label	1.12.0 to 4.4.2
gsm_a.dtap.auts.mac_s	MAC-S	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.auts.sqn_ms_xor_ak	SQN_MS xor AK	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.bcc.call_priority	Call Priority	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.call_ref	Call Reference	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.call_ref_has_priority	Call Reference includes priority	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bcc.call_state	Call state	Unsigned integer (24 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.cause	Cause	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.cause_structure	Cause structure	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bcc.compr_otdi	Compressed otdi	Byte sequence	2.0.0 to 4.4.2
gsm_a.dtap.bcc.orig_ind	Originator indication	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bcc.spare_1	Spare_1 (This field shall be ignored)	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.spare_3	Spare_3 (This field shall be ignored)	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.spare_4	Spare_4 (This field shall be ignored)	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.state_attr	State attributes	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.bcc.state_attr_comm	COMM	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bcc.state_attr_da	DA	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bcc.state_attr_oi	OI	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bcc.state_attr_ua	UA	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.bitmap_length	Bitmap Length	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.call_state	Call state	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.cap_coding_standard	Coding standard	Boolean	2.2.0 to 4.4.2
gsm_a.dtap.cause	DTAP Cause	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.cause_of_no_cli	Cause of no CLI	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.cause_ss_diagnostics	Supplementary Services Diagnostics	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.ccbs_activation	CCBS Activation	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.channel_coding	Channel coding	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.channel_coding_asymmetry_indication	Channel Coding Asymmetry Indication	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.ciphering_key_sequence_number	Ciphering Key Sequence Number	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.cld_party_bcd_num	Called Party BCD Number	Character string	1.10.0 to 4.4.2
gsm_a.dtap.clg_party_bcd_num	Calling Party BCD Number	Character string	1.10.0 to 4.4.2
gsm_a.dtap.codec.fr_amr	FR AMR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.fr_amr_wb	FR AMR-WB	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.gsm_efr	GSM EFR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.gsm_fr	GSM FR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.gsm_hr	GSM HR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.hr_amr	HR AMR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.ofr_amr_wb	OFR AMR-WB	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.ohr_amr	OHR AMR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.ohr_amr_wb	OHR AMR-WB	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.pdc_efr	PDC EFR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.tdma_efr	TDMA EFR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.umts_amr	UMTS AMR	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.umts_amr_2	UMTS AMR 2	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.umts_amr_wb	UMTS AMR-WB	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.codec.umts_evs	UMTS EVS	Boolean	3.0.0 to 4.4.2
gsm_a.dtap.coding	Coding	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.coding_scheme	Coding Scheme	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.coding_scheme.unknown	Text string encoded according to an unknown Coding Scheme	Label	2.0.0 to 4.4.2
gsm_a.dtap.coding_standard	Coding standard	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.compression	Compression	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.configuration	Configuration	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.congestion_level	Congestion level	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.conn_num	Connected Number	Character string	1.10.0 to 4.4.2
gsm_a.dtap.connection_element	Connection element	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.cp_cause	Cause	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.csmo	CSMO	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.csmt	CSMT	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.data	Data	Byte sequence	1.12.0 to 4.4.2
gsm_a.dtap.downlink_timeslot_offset	Downlink Timeslot Offset	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.drvcc	DRVCC	Boolean	2.6.0 to 4.4.2
gsm_a.dtap.dst_adjustment	DST Adjustment	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.dtmf	DTMF	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.duplex_mode	Duplex mode	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.edge_channel_codings	EDGE Channel Codings	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.egprs_mode_flag	EGPRS Mode flag	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.elem_id	Element ID	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.emerg_num_info_length	Emergency Number Info length	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.emergency_bcd_num	Emergency BCD Number	Character string	1.10.0 to 4.4.2
gsm_a.dtap.emergency_number_information	Emergency Number Information	Unsigned integer (32 bits)	1.12.0 to 4.4.2
gsm_a.dtap.end_mark_unexpected	'f' end mark present in unexpected position	Label	1.12.0 to 4.4.2
gsm_a.dtap.enicm	ENICM	Boolean	3.4.0 to 4.4.2
gsm_a.dtap.epc.altitude	Altitude	Unsigned integer (16 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.altitude_direction	Altitude Direction	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.epc.bearing	Bearing	Unsigned integer (16 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.degrees_latitude	Degrees Latitude	Unsigned integer (24 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.degrees_longitude	Degrees Longitude	Signed integer (24 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.gnss_tod_msec	GNSS-TOD-msec	Unsigned integer (24 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.horizontal_speed	Horizontal Speed	Unsigned integer (16 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.latitude_sign	Latitude Sign	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.epc.mbms_packet_counter_value	MBMS packet counter value	Unsigned integer (32 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_positioning_technology	UE positioning technology	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_a_drb	Data Radio Bearer identity number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_a_ul_sdu_size	Uplink PDCP SDU size in bits	Unsigned integer (16 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_b_ip_pdu_delay	IP PDU delay in seconds	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_c_lcid	Logical channel identity	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_c_mbsfn_area_id	MBSFN area identity	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_c_mch_id	MCH identity	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_d_discovery	Discovery	Boolean	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_d_prose_app_code	ProSe App Code (LSBs)	Unsigned integer (16 bits)	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_e_communication	Communication	Boolean	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_e_group_destination_id	Group Destination ID	Unsigned integer (8 bits)	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_f_sc_mtch_id	SC-MTCH ID	Unsigned integer (16 bits)	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_gh_repetitions	Repetitions	Unsigned integer (8 bits)	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_gh_ul_data_delay	Uplink data delay	Unsigned integer (8 bits)	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_gh_ul_loopback_op_mode	Uplink loopback operation mode	Boolean	2.6.0 to 4.4.2
gsm_a.dtap.epc.ue_tl_mode	UE test loop mode	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.establishment	Establishment	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.extraneous_data	Extraneous Data, dissector bug or later version spec(report to wireshark.org)	Label	2.0.0 to 4.4.2
gsm_a.dtap.fixed_network_user_rate	Fixed network user rate	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.follow_on_request	Follow-On Request (FOR)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.gcc.call_priority	Call Priority	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.call_ref	Call Reference	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.call_ref_has_priority	Call Reference includes priority	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.gcc.call_state	Call state	Unsigned integer (24 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.cause	Cause	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.cause_structure	Cause structure	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.gcc.orig_ind	Originator indication	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.gcc.spare_1	Spare_1 (This field shall be ignored)	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.spare_3	Spare_3 (This field shall be ignored)	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.spare_4	Spare_4 (This field shall be ignored)	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.state_attr	State attributes	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.gcc.state_attr_comm	COMM	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.gcc.state_attr_da	DA	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.gcc.state_attr_oi	OI	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.gcc.state_attr_ua	UA	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.hold_auxiliary_state	Hold auxiliary state	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.in_out_band	In band/Out of band negotiation	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.invalid_ia5_character	Invalid IA5 character(s) in string (value > 127)	Label	1.12.0 to 4.4.2
gsm_a.dtap.itc	Information transfer capability	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.keypad_info_not_dtmf_digit	Keypad information contains character that is not a DTMF digit	Label	1.12.0 to 4.4.2
gsm_a.dtap.keypad_information	Keypad information	Character (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.layer_1_identity	Layer 1 Identity	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.layer_2_identity	Layer 2 Identity	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.location	Location	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.logical_link_identifier_negotiation	Logical link identifier negotiation	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.loop_mechanism	Loop mechanism	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.lsa_id	LSA Identifier	Unsigned integer (24 bits)	1.10.0 to 4.4.2
gsm_a.dtap.max_num_of_speech_bearers	Maximum number of speech bearers	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.maximum_number_of_supported_bearers	Maximum number of supported bearers	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.maximum_number_of_traffic_channels	Maximum number of traffic channels	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.mcat	MCAT	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.mcs	MCS	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.message_elements	Message Elements	Byte sequence	2.0.0 to 4.4.2
gsm_a.dtap.missing_mandatory_element	Missing Mandatory element, rest of dissection is suspect	Label	2.0.0 to 4.4.2
gsm_a.dtap.mm_timer	MM Timer	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.mm_timer_unit	Unit	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.mm_timer_value	Timer value	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.mode_flag	Mode flag	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.mode_of_operation	Mode of operation	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.modem_type	Modem type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.ms_positioning_technology	MS positioning technology	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.msg_bcc_type	DTAP Broadcast Call Control Message Type	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.msg_cc_type	DTAP Call Control Message Type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.msg_gcc_type	DTAP Group Call Control Message Type	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.msg_mm_type	DTAP Mobility Management Message Type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.msg_sms_type	DTAP Short Message Service Message Type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.msg_ss_type	DTAP Non call Supplementary Service Message Type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.msg_tp_type	DTAP Tests Procedures Message Type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.multi_party_auxiliary_state	Multi party auxiliary state	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.multiple_frame_establishment_support	Multiple frame establishment support in data link	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.multislot_tch	Multi-slot TCH loop	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.negotiation	Negotiation	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.nic_on_rx	Network independent clock (NIC) on reception (Rx)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.nic_on_tx	Network independent clock (NIC) on transmission (Tx)	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.nirr	NIRR	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.not_digit	BCD number contains a value that is not a digit	Label	2.2.0 to 4.4.2
gsm_a.dtap.notif_descr	Notification description	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.number_of_data_bits	Number of data bits excluding parity bit if present	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.number_of_spare_bits	Number of spare bits in last octet	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.number_of_stop_bits	Number of Stop Bits	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.numbering_plan_id	Numbering plan identification	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.odd_even_ind	Odd/even indicator	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.other_itc	Other ITC	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.other_modem_type	Other modem type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.other_rate_adaption	Other Rate Adaption	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.parity_information	Parity information	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.pcp	Prolonged Clearing Procedure	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.present_ind	Presentation indicator	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.progress_description	Progress description	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.protocol_discriminator	Protocol Discriminator	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.radio_channel_requirement	Radio channel requirement	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.rand	RAND value	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.rate_adaption	Rate Adaption	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.rate_adaption_header	Rate Adaption Header	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.recall_type	Recall type	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.recommendation	Recommendation	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.red_party_bcd_num	Redirecting Party BCD Number	Character string	1.10.0 to 4.4.2
gsm_a.dtap.rej_cause	Reject cause	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.repeat_indicator	Repeat Indicator	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.rpdu	RPDU	Byte sequence	2.0.0 to 4.4.2
gsm_a.dtap.screening_ind	Screening indicator	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.seq_no	Sequence number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b1	Police	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b2	Ambulance	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b3	Fire Brigade	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b4	Marine Guard	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b5	Mountain Rescue	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b6	Manually initiated eCall	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.serv_cat_b7	Automatically initiated eCall	Boolean	1.10.0 to 4.4.2
gsm_a.dtap.service_type	Service Type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.signal_value	Signal value	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.signalling_access_protocol	Signalling Access Protocol	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.speech_vers_ind	Speech version indication	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.sres	SRES value	Byte sequence	1.10.0 to 4.4.2
gsm_a.dtap.ss_version_indicator	SS Version Indicator	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.stream_identifier	Stream Identifier	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.structure	Structure	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.subaddress	Subaddress	Character string	2.0.0 to 4.4.2
gsm_a.dtap.subaddress_information	Subaddress information	Byte sequence	2.0.0 to 4.4.2
gsm_a.dtap.subchannel	Subchannel	Boolean	2.0.0 to 4.4.2
gsm_a.dtap.synchronous	Synchronous/asynchronous	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.sysid	System Identification (SysID)	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.test_loop	Test Loop	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.text_string	Text String	Character string	1.12.0 to 4.4.2
gsm_a.dtap.text_string_not_multiple_of_7	Value leads to a Text String whose length is not a multiple of 7 bits	Label	1.12.0 to 4.4.2
gsm_a.dtap.ti_flag	TI flag	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.ti_not_valid	If TI bits = 7, length must be > 2	Label	2.4.0 to 4.4.2
gsm_a.dtap.tie	TIE	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.time_zone_time	Time	Date and time	1.12.0 to 4.4.2
gsm_a.dtap.timezone	Timezone	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.tio	TIO	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.tp_pdu_description	PDUs transmitted	Unsigned integer (16 bits)	1.12.0 to 4.4.2
gsm_a.dtap.tp_tested_device	Tested device	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.transfer_mode	Transfer mode	Boolean	1.12.0 to 4.4.2
gsm_a.dtap.type_of_identity	Type of identity	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.type_of_number	Type of number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.type_of_sub_addr	Type of subaddress	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.u2u_prot_discr	User-user protocol discriminator	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_a.dtap.ue_positioning_technology	UE positioning technology	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.ue_test_loop_mode	UE test loop mode	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a.dtap.uimi	UIMI, User initiated modification indication	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.updating_type	Updating Type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.user_information_layer_1_protocol	User information layer 1 protocol	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.user_information_layer_2_protocol	User information layer 2 protocol	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.user_rate	User rate	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.v110_x30_rate_adaptation	V.110/X.30 rate adaptation Intermediate rate	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.wanted_air_interface_user_rate	Wanted air interface user rate	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_a.dtap.xres	XRES value	Byte sequence	1.10.0 to 4.4.2
gsm_a_dtap.mbms_short_transmission_identity	MBMS short transmission identity	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a_dtap.num_lb_entities	Number of LB entities	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a_dtap.radio_bearer	Radio Bearer	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a_dtap.timeslot_number	Timeslot number	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_a_dtap.ue_received_rlc_sdu_counter_value	UE received RLC SDU counter value	Unsigned integer (32 bits)	2.0.0 to 4.4.2
gsm_a_dtap.uplink_rlc_sdu_size	Uplink RLC SDU size	Unsigned integer (16 bits)	2.0.0 to 4.4.2