ITU-T E.115
Computerized Directory Assistance - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group 1) 26 pp
inactive
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Organization: | ITU-T |
Publication Date: | 1 February 1995 |
Status: | inactive |
Page Count: | 110 |
Document History

October 1, 2012
Computerized directory assistance Corrigendum 1
A description is not available for this item.

May 1, 2010
Computerized directory assistance
This Recommendation describes the principles, procedures and protocols to be followed on organizing and operating a computerized international directory assistance service.

May 1, 2008
Computerized directory assistance
This Recommendation describes the principles, procedures and protocols to be followed on organizing and operating a computerized international directory assistance service.

May 1, 2007
Computerized directory assistance
A description is not available for this item.

June 1, 2006
Computerized Directory Assistance Corrigendum 1
A description is not available for this item.

February 1, 2006
Computerized directory assistance
A description is not available for this item.

ITU-T E.115
February 1, 1995
Computerized Directory Assistance - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group 1) 26 pp
A description is not available for this item.

March 1, 1993
Computerized Information Service for Telephone Subscriber Numbers in Foreign Countries (Directory Assistance), Reserved for Operators (Study Group I) 18 pp
A description is not available for this item.

March 1, 1991
Computerized Information Service for Telephone Subscriber Numbers in Foreign Countries (Directory Assistance), Reserved for Operators (Study Group I) 19 pp
A description is not available for this item.

January 1, 1989
Computerized Information Service for Telephone Subscriber Numbers in Foreign Countries (Directory Assistance), Reserved for Operators - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group II) 11 pp
A description is not available for this item.