香港—資訊社會 - 「數碼21」資訊科技策略

5.2 Table 5.2 Wireline telephone services (cont'd)1998 2003 2004 2005 2006 2007 2008(5)- - 207 285 210 182 182Number of successful portings in local fixed- - - (+37.7) (-26.4) (-13.3) (-0.3)telecommunications network servicesoperators (5) (thousands) 4555555Number of wireline based fixedtelephone network operators (1) (2) 」(IP)(VoIP)(3) (4) (5) * Notes: Figures in brackets denote percentage changes over the preceding year.(1) Including direct dialing in lines, facsimile lines and datel lines.(2) Figures reported under the IP telephony services refer to the number of subscribers of IP telephony/voice-over-IP (VoIP)services of licensed operators assigned with telephone numbers in accordance with the Hong Kong Numbering Plan. TheOffice of the Telecommunications Authority has published the statistics since December 2007.(3) Figures include the number of exchange lines and subscribers of IP services.(4) Figures are available as from 2002.(5) Figures refer to the number of successful portings from one local fixed telecommunications network service operator toanother. With a view to enhancing the transparency in the operation of operator number portability, the Office of theTelecommunications Authority has published the statistics since July 2004.* Revised figure. Source: Office of the Telecommunications Authority86 Hong Kong as an Information Society 2009