GOST R 53532-2009 Quality of services. Parameters of quality for telecommunications services in the public switched telephone network. General requirements
GOST R 50779.10-2000 Statistical methods. Probability and general statistical terms. Terms and definitions
GOST R 50779.11-2000 Statistical methods. Statistical quality control. Terms and definitions
GOST R 53532-2009 history
2009GOST R 53532-2009 Quality of services. Parameters of quality for telecommunications services in the public switched telephone network. General requirements