CONTENTS

 1     Supplementary services which might have implications for the international service
        1.1     Absent subscriber service
        1.2     Do not disturb service
        1.3     Diversion if number busy service
        1.4     Customer dialled operator assisted call
        1.5     Freephone service
        1.6     Wide area telephone service
        1.7     Automatic transferred debiting of charges
        1.8     Radio paging
        1.9     Direct dialling-in
       1.10     Incoming call barring
       1.11     Registration of incoming calls
       1.12     Completion of calls to busy subscribers service
       1.13     Automatic transferred charge call
       1.14     Remote call forwarding
       1.15     Three party services
       1.16     Conference call services
       1.17     Calling number indication
       1.18     Subscriber's alpha-numerical display
       1.19     Private number ringing signal
       1.20     Voice mailbox service (VMS)
 2     Supplementary services without implications for the international service
        2.1     Abbreviated dialling services
        2.2     Alarm call services
        2.3     Automatic booked call
        2.4     Diary service
        2.5     Restriction in the outgoing direction service
        2.6     PBX line hunting services
        2.7     Subscriber call charge meter
        2.8     Automatic verbal announcement of charges applied service
        2.9     Printed record of duration and charge of calls service
       2.10     Automatic credit card service
       2.11     Selective accounting
       2.12     Customer recorded information service
       2.13     Public recorded information service
       2.14     Emergency call service
       2.15     Centrex service
       2.16     Babyphone
       2.17     Transmission of a verbal message
       2.18     Universal access number
       2.19     Message relay
       2.20     Interruption of a call in progress
       2.21     Fixed destination call services
       2.22     Pick-up facility
       2.23     Call waiting services
       2.24     Dual telephone numbers
       2.25     Voice dialling
       2.26     Number repetition service
       2.27     Lecture call
Appendix I – Telephone services, considered as nonsupplementary
        I.1     Payphone service
        I.2     Directory inquiry service
        I.3     General telecommunications information service
        I.4     Interception of calls
        I.5     Priority
        I.6     Malicious call identification services