CONTENTS

 1     General
        1.1     Scope
        1.2     References
 2     The E-model, a computational model for use in transmission planning
        2.1     Introduction
        2.2     Source code
 3     The structure and basic algorithms of the E-model
        3.1     Calculation of the transmission rating factor, R
        3.2     Basic signal-to-noise ratio, Ro
        3.3     Simultaneous impairment factor, Is
        3.4     Delay impairment factor, Id
        3.5     Equipment impairment factor, Ie
        3.6     Advantage factor, A
        3.7     Default values
Annex A - Conditions of using the E-model
Annex B - Quality measures derived from the transmission rating factor R
Annex C -Source code for G.107_2 in BASIC
Appendix I - Bibliography