ITU-T E.104 SPANISH-1995 International Telephone Directory Assistance Service and Public Access - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 1) 6 pp
This Recommendation gives an overview of methods and general principles to be followed in organizing an International Telephone Directory Assistance Service.
ITU-T E.104 SPANISH-1995 Referenced Document
ITU-T E.114 Supply of Lists of Subscribers (Directories and Other Means)
ITU-T E.115 Computerized directory assistance (Study Group 17)*, 2010-05-01 Update
ITU-T E.141 Instructions for Operators on the Operator-Assisted International Telephone Service - Instructions for the International Telephone Service
ITU-T E.160 Definitions relating to national and international numbering plans*, 2007-01-01 Update
ITU-T E.104 SPANISH-1995 history
1995ITU-T E.104 SPANISH-1995 International Telephone Directory Assistance Service and Public Access - Telephone Network and ISDN - Operation Numbering Routing and Mobile Service (Study Group 1) 6 pp