ITU-T Q.955-1992
Stage 3 Description for Community of Interest Supplementary Services Using DSS 1 Section 1 - Closed User Group (Study Group XI) 24 pp
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ITU-T Q.955-1992
Standard No.
ITU-T Q.955-1992
Release Date
1992
Published By
ITU-T - International Telecommunication Union/ITU Telcommunication Sector
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