Similar to TTCN
G.728
G.728
G.729
G.729G.729.1
G.729.1G.8032
H.225.0
H.225.0H.245
H.245
H.261
H.261
H.263
H.263
H.264
Advanced Video Coding
H.265
High Efficiency Video Coding▲1 trendsH.320
H.320
H.323
H.323
H.324
H.324
High Efficiency Image File Format
High Efficiency Image File Format
ISDN
ISDN
JPEG
JPEG
JPEG 2000
JPEG 2000
JPEG XL
JPEG XL
JPEG XR
JPEG XR
Lossless JPEG
Lossless JPEGMegaco
H.248
MPEG-2
MPEG-2MSISDN
MSISDN
T.37
T.37
T.38
T.38
T.50
T.50 (standard)
JBIG
JBIG
JBIG2
JBIG2