ITU-T E.109

International Billed Number Screening Procedures for Collect and Third-Party Calling - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group 1) 8 pp

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Organization: ITU-T
Publication Date: 1 January 1995
Status: active
Page Count: 8

Document History

ITU-T E.109
January 1, 1995
International Billed Number Screening Procedures for Collect and Third-Party Calling - Telephone Network and ISDN - Operation, Numbering, Routing and Mobile Service (Study Group 1) 8 pp
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