Rec. ITU-T G.114 (11/1988) MEAN ONE-WAY PROPAGATION TIME
1 Limits for a connection
2 Values for circuits
    2.1 Conventional planning values of propagation time
    2.2 National extension circuits
    2.3 International circuits
ANNEX A Long propagation delay and echo related considerations for telephone circuits
A.1 Introduction
A.2 Effect of long transmission delays on the subscriber
A.2.1 Early measurements
A.2.2 Later measurements
A.2.3 Recent and future measurements
A.3 Summary and conclusions
References
Bibliography