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ITU-T D.37 Accounting and settlement principles applicable to the provision of public directory services between interconnected Directory Management Domains
ITU-T Q.82.7 Stage 2 description for call offering supplementary services : Explicit call transfer
ITU-T U.102 Intex and similar services - Network requirements to effect interworking between terminals operating at different speeds
ITU-T Q.2964.1 Digital subscriber signalling system No. 2 - Basic look-ahead
ITU-T Q.823 Stage 2 and stage 3 functional specifications for traffic management
ITU-T F.723 Videophone service in the Public Switched Telephone Network (PSTN)
ITU-T T.31 AMD 1 Annex B: Procedure for Service Class 1 support of V.34 modems
ITU-T S.36 Intex and similar services - Terminal requirements to effect interworking between terminals operating at different speeds
ITU-T T.32 AMD 1 T.32 (1995) Amendment 1
ITU-T T.33 Facsimile routing utilizing the subaddress
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