1、I CEPT T/SF*4*E 91, 2326434 0012676 074 T/SF 4 E Page 1 Recommendation T/SF 4 (Mlaga-Torremolinos 1975, revised at Stockholm 1976 and by correspondence 1990) SERVICES AND FACILITIES WHICH MIGHT BE OFFERED TO SUBSCRIBERS BY MODERN TELEPHONE SYSTEMS Recommendation proposed by the T/WG 7 “Services and
2、Facilities” (SF) Working Group Text of the Recommendation adopted by the “Commercial Action Committee” (CAC). “The European Conference of Postal and Telecommunications Administrations, considering - that in the years to come, new electronic and semi-electronic telephone switching systems will be ins
3、talled by most - that such systems allow the introduction of new services and facilities, - that a certain number of these services and facilities can be of social interest and increase the attraction of - that certain of these services and facilities might increase the profitability of such systems
4、 by reasonable invest- - that in the future the users will be increasingly able to compare the services and facilities offered by network - that harmonisation of the operating procedures and functional specifications may lead to a reduction in the cost CEPT network operators, telecommunications syst
5、ems, ment, operators in the various CEPT Member countries, of introducing such services and facilities in automatic telephone exchanges, O recommends - that network operators, while introducing electronic and semielectronic telephone systems also take into con- sideration the introduction of new ser
6、vices and facilities, - that of the services and facilities mentioned and defined in the “Handbook on services and facilities offered to the subscribers in modern telephone systems”, prior consideration be given to those listed in the Annex to this Recommendation (this list will be revised and broug
7、ht up to date in the light of the thorough studies being conducted in the CEPT), - that while deciding whether of not to introduce new services and facilities, the following aspects be considered: a) the extent of the demand b) the possible profitability c) the social usefulness d) the possibility o
8、f replacing certain existing manual services by automatic subscriber-controlled services e) the developments in other CEPT countries, - that the services and facilities should be implementd in accordance with the methods recommended by the CEPT.” Edition of March 25. 1991 CEPT T/SF*4*E 93 2326434 O0
9、32677 TOO 9 T/SF 4 E Page 3 Anoex 1 LIST OF SUPPLEMENTARY SERVICES OF INTEREST TO OPERATORS English 1. Direct Dialling In (DDI) 2. Freephone (FPH) 3. Calling Line Identification Presentation (CLIP) 4. Closed User Group (CUG) 5. Call Forwarding Unconditional (CFU) 6. Line Hunting (LH) 7. Call Waiting
10、 (CW) 8. Completion of Calls to Busy Subscribers (CCBS) 9. Multiple Subscriber Number (MSN) 10. Outgoing Call Barring 11. Call Forwarding No Replay (CFNR) 12. Call Hold (HOLD) 13. User to User Signalling (UUS) 14. Sub-Addressing (SUB) 15. Private Numbering Plan (PNP) 16. Terminal Portability (TP) 17
11、. Calling Line Identification Restriction (CLIR) 18. Three Party Service (3PTY) 18. Call Forwarding Busy (CFB) 20. Advice of Charge, Charging Information during 21. Advice of Charge, Charging Information at the 23. Interception of Calls 24. Credit Card Calling (CRED) 25. Malicious Call Identificatio
12、n (MCID) 26. Call Transfer (CT) 27. Connected Line Identification Presentation (COLP) 28. Connected Line Identification Restriction (COLR) 29. Payphone 30. Conference Call, Add On (CONF) 31. Universal Access Number 32. Advice of Charge, Charging Information at Call Setup Time 33. Meet-me Conference
13、(MMC) 34. Priority (PRI) 35. Call Deflection (CD) 36. Remote Control of Supplementary Service (RC) 37. Queue Service 38. Changing of Service during an Established Call O the Call End of the Call O French 1. Slection directe dun poste supplmentaire 2. Libre appel 3. Prsentation didentification de la
14、ligne appelante 4. Groupe ferm dusager 5. Racheminement dappel sans condition 6. Recherche de ligne 7. Appel en instance 8. Aboutissement dappels adresss des abonns 9. Numro dabonn multiple occups 10. Interdiction des appels au dpart 1 1. Racheminement dappel en cas de non-rponse 12. Maintien dappel
15、 13. Signalisation dusager usager 14. Sous-adressage 15. Plan de numrotage priv 16. Portabilit du terminal 17. Restriction didentification de la ligne appelante 18. Service comportant un troisime correspondant 19. Racheminement dappel en cas de numro occup 20. Avis de taxation pendant la communicati
16、on 21. Avis de taxation la fin de la communication 23. Interception dappels 24. Communication paye avec carte de crdit 25. Identification dappels malveillants 26. Transfert dappel 27. Prsentation didentification de la ligne connecte 28. Restriction didentification de la ligne connecte 29. Publiphone
17、 30. Communication confrence 3 1. Numros universels 32. Avis de taxation au moment de ltablissement de la communication 33. Confrence rendez-vous 34. Priorit 35. Renvoi dappel 36. Tlcommande de services supplmentaires 37. Mise en file dattente 38. Changement de service pendant un appel tabli Edition of March 25, 1991