ITU-T E.276-1989
Transmission in Encoded Form of Telephone Reversed Charge Billing and Accounting Information - Telephone Network and ISDN - Operation@ Numbering@ Routing and Mobile Service (Study Group II) 1 pp

Standard No.
ITU-T E.276-1989
Release Date
1989
Published By
ITU-T - International Telecommunication Union/ITU Telcommunication Sector



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