Wireshark · Display Filter Reference: A21 Protocol

Field name	Description	Type	Versions
a21.1x_lac_en_pdu	1x LAC Encapsulated PDU	Unsigned integer (24 bits)	1.12.0 to 4.4.2
a21.3G1X_parameters	3G1X Parameters	Byte sequence	1.12.0 to 4.4.2
a21.additional_event_info	Additional Event Info	Unsigned integer (16 bits)	1.12.0 to 4.4.2
a21.allowed_forward_link_message	Allowed Forward Link Messages	Unsigned integer (16 bits)	2.0.0 to 4.4.2
a21.allowed_foward_link_message	Allowed Forward Link Messages	Unsigned integer (16 bits)	1.12.0 to 1.12.13
a21.auth_chall_para_rand_num_type	Random Number Type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.auth_chall_para_rand_value	RAND Value	Unsigned integer (32 bits)	1.12.0 to 4.4.2
a21.cause_value	A21 Cause Value	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.cell_id	Cell ID	Unsigned integer (16 bits)	3.2.0 to 4.4.2
a21.cell_id_info	Cell ID Info	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.ch_band_class	Band Class	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.ch_channel_number	Channel Number	Unsigned integer (16 bits)	3.2.0 to 4.4.2
a21.ch_pilot_onew_delay	Pilot OneWay Delay	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.ch_pilot_onew_delay_value	Pilot OneWay Delay (units of 100ns)	Unsigned integer (16 bits)	3.2.0 to 4.4.2
a21.ch_pilot_pn	Pilot PN	Unsigned integer (16 bits)	3.2.0 to 4.4.2
a21.ch_pilot_pn_phase	Pilot PN Phase	Unsigned integer (16 bits)	3.2.0 to 4.4.2
a21.ch_pilot_strength	Pilot Strength	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.ch_reference_pilot	Reference Pilot	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.ch_system_type	System Type	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.channel_record_length	Channel Record Length	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.corr_id_corr_value	Correlation Value	Unsigned integer (32 bits)	1.12.0 to 4.4.2
a21.correlation_id	A21 Correlation ID	Unsigned integer (64 bits)	1.12.0 to 3.0.14
a21.element_identifier	A21 Element Identifier	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.event	Event	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.gcsna_content	GCSNA Content	Label	1.12.0 to 4.4.2
a21.gcsna_pdu_length	Length	Unsigned integer (16 bits)	1.12.0 to 4.4.2
a21.gcsna_status	Status	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.gcsna_status_call_priority	Call Priority	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.gcsna_status_gec	GEC	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.gcsna_status_priority_incl	Priority Incl	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.gcsna_status_reserved	Reserved	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.gcsna_status_status_incl	Status Incl	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.hrpd_sector_id	HRPD Sector id	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.hrpd_sector_id_len	HRPD Sector id Length	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.ie_data_not_dissected_yet	IE data not dissected yet	Label	1.12.0 to 4.4.2
a21.imsi	IMSI(International Mobile Subscriber Identity number)	Character string	1.12.0 to 1.12.13
a21.length	Length	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.message_type	Message Type	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mn_id_esn	ESN	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mn_id_identity_digit_1	Identity Digit 1	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mn_id_msid_value	MSID Value	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mn_id_odd_even_indicator	Odd/Even Indicator	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mn_id_type_of_identity	Type of Identity	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_re_band_class	Band Class	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_re_con_all_band_inc	All Band Classes Included	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_re_con_all_sub_band_inc	All Band Subclasses Included	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_re_con_curr_band_sub	Current Band Subclass	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_re_sub_cls_len	Subclass Length	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_record_content	Record Content	Byte sequence	1.12.0 to 4.4.2
a21.mob_sub_info_record_id	Record Identifier	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.mob_sub_info_record_length	Record Length	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.msc_id	MSC ID	Unsigned integer (24 bits)	3.2.0 to 4.4.2
a21.mscid_market_id	Market ID	Unsigned integer (16 bits)	1.12.0 to 4.4.2
a21.mscid_switch_number	Switch Number	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.msg_tran_ctrl_3GXLogicalChannel	3GXLogicalChannel	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.msg_tran_ctrl_ackrequired	AckRequired	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.msg_tran_ctrl_paging_msg	Paging Message	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.msg_tran_ctrl_protocol_revision	ProtocolRevision	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.msg_tran_ctrl_simul_xmit_with_next	Simul Xmit with Next	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.pilot_list_num_of_pilots	Number of Pilots	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.pilot_list_value	Pilot List Value	Byte sequence	1.12.0 to 3.0.14
a21.reference_cell_id_cell	Cell	Unsigned integer (16 bits)	1.12.0 to 4.4.2
a21.reference_cell_id_sector	Sector	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.reserved	Reserved	Unsigned integer (8 bits)	1.12.0 to 4.4.2
a21.sc0	SC0	Boolean	3.2.0 to 4.4.2
a21.sc1	SC1	Boolean	3.2.0 to 4.4.2
a21.sc2	SC2	Boolean	3.2.0 to 4.4.2
a21.sc3	SC3	Boolean	3.2.0 to 4.4.2
a21.sc4	SC4	Boolean	3.2.0 to 4.4.2
a21.sc5	SC5	Boolean	3.2.0 to 4.4.2
a21.sc6	SC6	Boolean	3.2.0 to 4.4.2
a21.sc7	SC7	Boolean	3.2.0 to 4.4.2
a21.sector	Sector	Unsigned integer (8 bits)	3.2.0 to 4.4.2
a21.service_option	Service Option	Unsigned integer (16 bits)	1.12.0 to 4.4.2