CONTENTS

 1     Answer signal not received by an outgoing exchange after receiving a number-received signal or number-received information (Systems No. 4 and R2) or after receiving an address complete signal (Systems No. 6 and No. 7) or after transmitting the ST signal (System No. 5)
 2     Delay in clearing by the calling subscriber in automatic service (arrangements made in the outgoing country)
 3     Clear-forward signal not received by the incoming exchange after sending a clear-back signal