香港—資訊社會 - 「數碼21」資訊科技策略

5.3 Table 5.3 Public mobile services (cont'd)1998 2003 2004 2005 2006 2007 2008(1)Number of short messages (1) (thousands) (9) - 416 845 1 035 698 1 667 211 2 695 131 3 356 764 4 454 588Sent (9) - (+112.3) (+148.5) (+61.0) (+61.7) (+24.5) (+32.7) (9) - 1 024 560 1 920 079 2 766 677 3 871 638 5 028 186 * 6 316 760Received (9) - (+99.0) (+87.4) (+44.1) (+39.9) (+29.9) (+25.6)- 1 036 1 099 1 243 1 394 1 387 1 517 (10)- (+8.8) (+6.1) (+13.1) (+12.2) (-0.5) (+9.4)Number of successful portings in localmobile network operators (10) (thousands)(1) 3 (2) (3) 2.5 2.5 GPRS IS-95B 2.5 (4) (5) 3 i 3 3 ii3 3 3 (6) (7) GSMPCSGSM PCS (8) 2G3G(9) (10) * Notes: Figures in brackets denote percentage changes over the preceding year. Please note that the number of short messages sent and received,and the number of successful portings in local mobile network operators are calculated based on the sum obtained between 1 January and31 December every year, while other figures in the table are recorded as at 31 December every year.(1) Figures from 2004 onwards include 3G mobile phone services.(2) Figures are available as from 1997.(3) 2.5G customers refer to those customers who have joined the service plans for 2.5G services (including general packet radio service(GPRS) and IS-95B services) or used the 2.5G services at least once in December of the reference year.(4) Figures are available as from June 2005.(5) 3G customers refer to those (i) who are registered as 3G customers or purchase pre-paid SIM cards for 3G services; and (ii) who arenot registered as 3G customers or do not purchase pre-paid SIM cards for 3G services, but have used 3G services at least once inDecember of the reference year.(6) Figures are available as from 2003.(7) In November 2004, the Government decided to grant the 3 GSM and 6 PCS licences providing 2G mobile phone services the “Rightof First Refusal” upon expiry of their licences in July 2005 and September 2006 respectively, thus entitling them to new mobilecarrier licence for 15 years to continue provision of their services.(8) The unified carrier licensing regime has been implemented starting from August 2008. Some of the mobile carrier licences (2G) andmobile carrier licences (3G) have been converted to and combined into one single unified carrier licence.(9) The number of short messages sent and received includes messages between mobile customers as well as messages sent to mobilecustomers from fixed locations and vice versa. The number of messages received exceeds the number of messages sent because somesent messages were received by more than one recipient.(10) Mobile Number Portability was implemented on 1 March 1999.* Revised figures. Source: Office of the Telecommunications Authority88 Hong Kong as an Information Society 2009