Wireshark · Display Filter Reference: GSM Cell Broadcast Channel

Field name	Description	Type	Versions
gsm_cbch.block	CBCH Block	Unsigned integer (8 bits)	2.0.0 to 4.4.2
gsm_cbch.block_type.lb	GSM CBCH Last Block	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_cbch.block_type.lpd	GSM CBCH Link Protocol Discriminator	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_cbch.block_type.lpd.invalid	Invalid Link Protocol Discriminator	Label	2.0.0 to 4.4.2
gsm_cbch.block_type.seq_num	GSM CBCH Sequence Number	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_cbch.block_type.seq_num.null	NULL message	Label	2.0.0 to 4.4.2
gsm_cbch.block_type.seq_num.reserved	Reserved Sequence Number	Label	2.0.0 to 4.4.2
gsm_cbch.block_type.spare	GSM CBCH spare bit	Unsigned integer (8 bits)	1.10.0 to 4.4.2
gsm_cbch.fragment	CBCH Fragment	Frame number	1.8.0 to 4.4.2
gsm_cbch.fragment.count	Fragmentation count	Unsigned integer (32 bits)	1.8.0 to 4.4.2
gsm_cbch.fragment.error	Defragmentation error	Frame number	1.8.0 to 4.4.2
gsm_cbch.fragment.multipletails	Multiple tail fragments found	Boolean	1.8.0 to 4.4.2
gsm_cbch.fragment.overlap	Fragment overlap	Boolean	1.8.0 to 4.4.2
gsm_cbch.fragment.overlap.conflict	Conflicting data in fragment overlap	Boolean	1.8.0 to 4.4.2
gsm_cbch.fragment.toolongfragment	Fragment too long	Boolean	1.8.0 to 4.4.2
gsm_cbch.fragments	CBCH Fragments	Label	1.8.0 to 4.4.2
gsm_cbch.padding	Padding	Byte sequence	2.0.0 to 4.4.2
gsm_cbch.reassembled.in	Reassembled in	Frame number	1.8.0 to 4.4.2
gsm_cbch.reassembled.length	Reassembled message length is one less than indicated here	Unsigned integer (32 bits)	1.8.0 to 4.4.2
gsm_cbch.sched_end	GSM CBCH Schedule End Slot	Unsigned integer (8 bits)	1.8.0 to 4.4.2
gsm_cbch.sched_end.bad_range	End Slot Number less than Begin Slot Number: ignoring message	Label	2.0.0 to 4.4.2
gsm_cbch.sched_msg_id	GSM CBCH Schedule Message ID	Unsigned integer (16 bits)	1.8.0 to 1.8.15
gsm_cbch.sched_spare	GSM CBCH Schedule Spare Bits	Unsigned integer (8 bits)	1.8.0 to 4.4.2
gsm_cbch.sched_type	GSM CBCH Schedule Type	Unsigned integer (8 bits)	1.8.0 to 4.4.2
gsm_cbch.schedule_begin	GSM CBCH Schedule Begin slot	Unsigned integer (8 bits)	1.8.0 to 4.4.2
gsm_cbch.slot	Slot	Unsigned integer (8 bits)	1.12.0 to 4.4.2
gsm_cbch_block_type.lb	GSM CBCH Last Block	Unsigned integer (8 bits)	1.8.0 to 1.8.15
gsm_cbch_block_type.lpd	GSM CBCH Link Protocol Discriminator	Unsigned integer (8 bits)	1.8.0 to 1.8.15
gsm_cbch_block_type.seq_num	GSM CBCH Sequence Number	Unsigned integer (8 bits)	1.8.0 to 1.8.15
gsm_cbch_block_type.spare	GSM CBCH spare bit	Unsigned integer (8 bits)	1.8.0 to 1.8.15