For Immediate Release
July 18,1997
NTT Submits Fiscal 1996 Report on Communications Volume by Telecommunications Services
Nippon Telegraph and Telephone Corporation (NTT) has submitted its Fiscal 1996 Report on Telecommunications Services and Volumes to the Minister of Posts and Telecommunications (MPT) and concurrently released the report to the general public. Interested parties may review the report at the NTT headquarters Information Station or at the Interconnection Promotion Office at regional headquarters throughout Japan.Summaries of communications volumes and other statistics for subscriber telephones are presented in the attachments to this press release.
Categories
1. Revenue, number of calls, and communication volume broken down bydistance 2. Number of calls broken down by communication volume and distance 3. Communication volume and number of calls broken down by time of dayand distance 4. Communication volume and number of calls by interprefecture 5. Communication volume and number of calls by inter-message area (MA) 6. Number of calls broken down by type and distance, by inter-prefecture, and by inter-message area (MA) Services 1. Subscriber telephones, public telephones, digital data exchanges (DDX), facsimile communication networks, videotex communications, ISDN, open digital communications 2. - 4. Subscriber telephones, public telephones, digital data exchanges (DDX), facsimile communication networks, videotex communications, ISDN 5. Subscriber telephones, pay telephones 6. Leased circuit
Attachments
1. Number of calls by distance
The number of calls made by ordinary telephone subscribers in fiscal1996 rose 2.2% over the previous year, while call volume declined 2.7%.
A breakdown by distance shows that both call volume and the number of calls decreased for calls covering distances of 20 - 30km. In all other bands, number of calls increased but call volume declined. Revenue was down 3.1% compared to the previous year. A breakdown by distance shows a decline in calls of over 20km.
All Calls - Businesses and Residence
Distance
Number of calls
Call volume
Revenue
Million times
Million hours
Million yen
Within Local Area
Within Adjacent Area
Number of calls
Call volume
Revenue
Over
Note: Figures in parentheses indicate percent of total, while figures in brackets indicate year-on-year change.
Breakdown by Business and Residence
Business calls accounted for 56.2% of the total number of calls, compared to 58.4% in the previous year. Residence calls surpassed business calls both in terms of call volume and revenue, accounting for 63.1% of total call volume and 56.8% of total revenue, compared to 62.0% and 55.1%, respectively, in the previous year.
Volume
Frequency
Revenue
Business
Residence
Total - Business and Residence
Million times
Million hours
Million yen
Notes:
1. The figures and percentages in the above breakdown are for all call distances combined.
2. Figures in the brackets represent business or residence calls as a percentage of all calls, while figures in the parentheses represent year-on-year change.
2. The number of calls by duration of a call
In terms of the distribution of calls by duration, 58.4% of all business and residence telephone calls were completed within one minute in fiscal 1996, compared to 56.3% in the previous year, while 75.9% were completed within two minutes, compared to 74.6% the previous year, and 83.4% within three minutes, compared to 82.6% in the previous year.
The average duration of a business call was 102 seconds, compared to 106 seconds in the previous year, while the average residence call lasted 224 seconds, compared to 242 seconds in the previous year. The average length for all calls, both business and residence, was 155 seconds, compared to 163 seconds the previous year.
Number of calls (in millions)
Total business and residence
Business
Residence
Call duration (minutes)
Average call time
Business 102 seconds
Residence 224 seconds
Combined Business and Residence 155 seconds
Call Volume 0 - 30 sec. 0.5 - 1 min. 1 - 1.5 min. 1.5 - 2 min. 2 - 3 min. 3 - 4 min. 4 - 5 min. 5 - 10 min. over 10 min.
Number of calls (percent of total)
Business
Residence
Total
3. Duration of a call classified by time band
Business calls peaked at 9:00 a.m., while residence calls peaked at about 9:00 p.m.
Combined Business and Residence
Business
Residence
9: 00 - 10:00 21:00 - 22:00
0:00 3:00 6:00 9:00 12:00 15:00 18:00 21:00 23:00
4. Cross-Boundary Communication
(1) Interprefectural Communication (number of calls)
The number of interprefectural calls increased 1.9% nationwide compared to the previous year. Calls between the prefectures of Tokyo, Aichi, and Osaka showed an increase of 4.3%. (unit:: millions)
Number of interprefectural calls
FY 1994 FY 1995 FY 1996
Area
Top five zones
Kanagawa Tokyo
Saitama Tokyo
Chiba Tokyo
Tokyo Kanagawa
Tokyo Saitama
Interprefectural calls (nationwide total) Tokyo-Aichi Prefecture-Osaka area
Note: Figures in the parentheses indicate year-on-year change, while numbers in the brackets indicate NTT's share.
(2) Communication calls by inter-MA (Message Area) (number of calls)
The number of inter-MA calls increased 4.7% nationwide compared to the previous year. Calls between the Tokyo, Nagoya, and Osaka MAs showed an increase of 3.4%. (unit: millions)
Zone
Inter-MA calls (nationwide total)
Calls between Tokyo, Nagoya, and Osaka MAs
Number of inter-MA calls
Note: Figures in the parentheses indicate year-on-year change.
Reference
(1) Number of calls by prefecture
1. Top five prefectures in terms of the number of originating calls The ranking of the top five prefectures in terms of the number of originating calls was identical to the previous year.
Top five prefectures
Note: Figures in the lefthand parentheses indicate percent of nationwide total, figures in the righthand parentheses indicate fiscal 1995 ranking.
2. Top five zones In terms of the number of Interprefectural calls (excluding calls within the same prefecture)
The top five zones in terms of number of interprefectural calls consist of Tokyo and its environs.
NOTE: Figures within the lefthand, rounded parentheses indicate percent of nationwide total, while figures within the righthand parentheses indicate fiscal 1995 ranking.
3. Communication Use by Prefecture (number of calls)
The proportion of intraprefectural and local communications tends to be higher in Prefectures which are geographically more distant from the major metropolitan areas, and lower for most of the Prefectures in the major metropolitan areas. Nationwide, local communications accounted for 66% of all communications on average (compared to 67% the previous year), while intraprefectural communications accounted for 85% of all communications on average (compared to 85% the previous year).
Inter-prefecture
Intra-prefectural toll
Local (within the same MA)
Prefecture
Inter-prefecture
Intra-prefectural toll
Local
Nationwide total
Hokkaido Aomori Iwate Miyagi Akita Yamagata Fukushima Ibaragi Tochigi Gunma Saitama
Chiba Chinba Tokyo Kanagawa Niigata Toyama Ishikawa Fukui Yamanashi Nagano Gifu
Shizuoka Aichi Mie Shiga Kyoto Osaka Hyogo Nara Wakayama Tottori Shimane
Okayama Hiroshima Yamaguchi Tokushima Kagawa Ehime Kochi Fukuoka Saga Nagasaki
Kumamoto Oita Miyazaki Kagoshima Okinawa Total
NOTE:
1. Unit: %
2. Figures within the circles and brackets represent rankings of the top five and bottom five Prefectures, respectively, in terms of rate of intraprefectural calls.
Average nationwide
Average nationwide
(2) Number of Calls by MA
1. Top ten MAs In terms of the number of originating calls
The top ten MAs in terms of the number of originating calls were the MAs for major metropolitan areas (primarily the 11 ordinance-designated cities, etc.). These MAs accounted for approximately one-third of the nationwide total.
(Unit=millions)
Top ten Mas
Tokyo Osaka Nagoya Yokohama Fukuoka Sapporo Kobe Kyoto Urawa Sendai
Total
NOTE: Figures within the left hand rounded parentheses indicate percentof nationwide total, while figures within right hand brackets indicatefiscal 1995 ranking.
2. Top five zones In terms of number of inter-MA calls (excluding callsmade within the same MA)
The top five zones in terms of the number of inter-MA calls (excludingcalls made within the same MA) consist of the Tokyo and Osaka MAs andsurrounding MAs. Top five zones
Yokohama Tokyo
Tokyo Yokohama
Kawasaki Tokyo
Sakai Osaka
Musashino Mitaka Tokyo
NOTE: Figures within the left hand rounded parentheses indicateinter-MA calls as a percent of nationwide total, while figures withinthe right hand brackets indicate fiscal 1995 ranking.
Osaka Saitama Aichi
