Communication

CDI8 definitions
CDMA2 definitions
CDS7 definitions
CEX
CIO2 definitions
CIR4 definitions
CLI4 definitions
CNPI
COCA
COPSOQ
COS8 definitions
CR30 definitions
CRA13 definitions
CS53 definitions
CSI8 definitions
CSK3 definitions
CST13 definitions
CTH2 definitions
CTS7 definitions
CTS-1