ITU-T E.220-1996 Interconnection of Public Land Mobile Networks (PLMN) - Telephone Network and ISDN Operation Numbering Routing and Mobile Service (Study Group 2) 10 pp
The ITU-T (Telecommunication Standardization Sector) is a permanent organ of the International Telecommunication Union (ITU). The ïïü-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view t
ITU-T E.220-1996 history
1996ITU-T E.220-1996 Interconnection of Public Land Mobile Networks (PLMN) - Telephone Network and ISDN Operation Numbering Routing and Mobile Service (Study Group 2) 10 pp