ITU-T E.172-1992
ISDN Routing Plan - Telephone Network and ISDN; Operation Numbering Routing and Mobile Service (Study Group II) 21 pp

Standard No.

ITU-T E.172-1992

Release Date

1992

Published By

International Telecommunication Union (ITU)

Latest

ITU-T E.172-1992

Scope

The CCITï (the International Telegraph and Telephone Consultative Committee) is a permanent organ of the International Telecommunication Union (ITU). CCIïT is responsible for studying technical, operating and tariff questions and issuing Recommendations

ITU-T E.172-1992 history

• 1992 ITU-T E.172-1992 ISDN Routing Plan - Telephone Network and ISDN; Operation Numbering Routing and Mobile Service (Study Group II) 21 pp