Rec. ITU-T E.501(rev.1) (06/1992) � ESTIMATION OF TRAFFIC OFFERED IN THE NETWORK
FOREWORD
1 Introduction
2 Only-route circuit group
    2.1 No significant congestion
    2.2 Significant congestion
3 High-usage/final network arrangement
    3.1 High-usage group with no significant congestion on the final group
    3.2 High-usage group with significant congestion on the final group
4 Origin-destination equivalent traffic offered
    4.1 Determination of origin-destination traffic offered when origin-destination traffic measurements ...
    4.2 Determination of origin-destination traffic offered when origin-destination traffic measurements only ...
    4.3 Determination of origin-destination traffic offered when only trunk group based measurements ...
ANNEX A � A simplified model for the formula presented in � 2.2
ANNEX B � Equivalent traffic offered
ANNEX C � Methods for determination of origin-destination traffic offered when only the measurements of traffic ...
ANNEX D � Examples using method described in Annex C
References