ITU-T - E.115
Computerized Information Service for Telephone Subscriber Numbers in Foreign Countries (Directory Assistance), Reserved for Operators (Study Group I) 19 pp
inactive
| Organization: | ITU-T |
| Publication Date: | 1 March 1991 |
| Status: | inactive |
| Page Count: | 19 |
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.
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.
E.115
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.