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    
        A.1     Examples of conditions where caution must be exercised when using the E‑model            
        A.2     Conditions for which the performance of the E-model has been improved by updating from the earlier version    
Annex B – Quality measures derived from the transmission rating factor R    
Appendix I – Calculation of R from MOSCQE values    
Appendix II – Provisional impairment factor framework for wideband speech transmission    
Appendix III – Reference Implementation of the E-model in G.107    
Bibliography     Electronic attachment – E-model in PHP4 scripting language