CONTENTS

1 Introduction
2 End-to-end transmission time limits
3 Transmission time allocation
Annex A Delay estimation for circuits
A.1 Planning values of transmission time
A.2 National extension circuits
A.3 International circuits
Annex B Long delay considerations for telephone, videotelephone and videoconference circuits
B.1 Introduction
B.2 Effect of long transmission delays on the subscriber
B.3 Summary and conclusions
References