Category:ITU-T勧告

JBIG

X.400

JBIG2

MSISDN

Signalling System No. 7

T.37

H.248

X.25

H.261

T.38

Intelligent Network

G.729.1

CHILL

G.721

Open Document Architecture

TTCN

X.509

G.726

G.719

G.718

H.320

X.121

ASN.1

Common Management Information Protocol

G.728

H.225.0

High Efficiency Image File Format