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ITU-T Q.542 Digital exchange design objectives - Operations and maintenance
ITU-T Q.601 Interworking of signalling systems - General
ITU-T Q.602 Interworking of signalling systems - Introduction
ITU-T Q.667 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 7 (TUP) to signalling system no. 7 (ISUP)
ITU-T Q.686 Interworking of signalling systems - Logic procedures for interworking of signalling system R2 to signalling system no. 7 (ISUP)
ITU-T Q.690 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 7 (ISUP) to no. 5
ITU-T Q.691 Interworking of signalling systems - Logic procedures for interworking of signalling system no. 7 (ISUP) to no. 6
ITU-T Q.692 Logic procedures for interworking of Signalling System No. 7 (ISUP) to No. 7 (TUP)
ITU-T Q.716 Signalling system no. 7 - Signalling connection control part (SCCP) performance
ITU-T Q.725 Signalling performance in the telephone application
ITU-T Q.755 Signalling system no. 7 - Protocol tests
ITU-T Q.1112 Procedures for interworking between INMARSAT standard-B system and the international public switched telephone network/ISDN