Wireshark · Display Filter Reference: Enhanced Variable Rate Codec

Field name	Description	Type	Versions
evrc.b.mode_request	Mode Request	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.b.toc.frame_type_hi	ToC Frame Type	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.b.toc.frame_type_lo	ToC Frame Type	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.enc_capability	Encoding Capability	Boolean	1.12.0 to 4.4.2
evrc.frame_count	Frame Count (0 means 1 frame)	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.interleave_idx	Interleave Index	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.interleave_len	Interleave Length	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.legacy.toc.frame_type	ToC Frame Type	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.legacy.toc.further_entries_ind	ToC Further Entries Indicator	Boolean	1.2.0 to 4.4.2
evrc.legacy.toc.reduced_rate	ToC Reduced Rate	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.mode_request	Mode Request	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.nw.mode_request	Mode Request	Unsigned integer (8 bits)	1.6.0 to 4.4.2
evrc.nw2k.mode_request	Mode Request	Unsigned integer (8 bits)	1.12.0 to 4.4.2
evrc.padding	Padding	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.reserved	Reserved	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.speech_data	Speech data	Byte sequence	2.0.0 to 4.4.2
evrc.toc.frame_type_hi	ToC Frame Type	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.toc.frame_type_lo	ToC Frame Type	Unsigned integer (8 bits)	1.2.0 to 4.4.2
evrc.unknown_variant	Variant Unknown/Unsupported - dissector bug/later version spec (report to wireshark.org)	Label	1.12.0 to 4.4.2
evrc.wb.mode_request	Mode Request	Unsigned integer (8 bits)	1.2.0 to 4.4.2