ITU-T Q.115-1997 Logic for the Control of Echo Devices - Series Q: Switching and Signalling Clauses Applicable to ITU-T Standard Systems - Control of Echo Suppressors (Study Group 11; 49 pp)
ITU-T Q.2140-1995 B-ISDN ATM Adaptation Layer - Service Specific Coordination Function for Signalling at the Network Node Interface (SSCF at NNI) - B-ISDN ATM Adaptation Layer (Study Group 11) 65 pp (ETS 300 438-1) Study Group 11; Covering Note: March 12 2004
ITU-T Q.2210-1996 Message Transfer Part Level 3 Functions and Messages Using the Services of ITU-T Recommendation Q.2140 - Series Q: Switching and Signalling Broadband ISDN - Signalling Network Protocols Study Group 11; 30 pp
ITU-T Q.701-1993 Functional Description of the Message Transfer Part (MTP) of Signalling System No. 7 - Specifications of Signalling System No. 7 (Study Group XI) 24 pp
ITU-T Q.704-1996 Signalling Network Functions and Messages Study Group 11
ITU-T Q.706-1993 Signalling System No. 7 - Message Transfer Part Signalling Performance
ITU-T Q.761-1999 Signalling System No. 7 - ISDN User Part Functional Description - Series Q: Switching and Signalling - Specifications of Signalling System NO. 7 - ISDN User Part Study Group 11; 22 pp*， 1999-12-23 Update
ITU-T Q.762-1997 Signalling System No. 7 - ISDN User Part General Functions of Messages and Signals - Series Q: Switching and Signalling Specifications of Signalling Systems NO. 7 - ISDN User Part (Study Group 11; 25 pp)
ITU-T Q.763-1997 Signalling System No.7 - ISDN User Part Formats and Codes - Series Q: Switching and Signalling - Specifications of Signalling System No.7 - ISDN User Part (Study Group 11; 114 pp)
ITU-T Q.764-1999 Signalling System No. 7 - ISDN User Part Signalling Procedures - Series Q: Switching and Signalling Specifications of Signalling System No. 7 - ISDN User Part Study Group 11*， 1999-12-23 Update
ITU-T Q.765-1998 Signalling System No. 7 - Application Transport Mechanism - Series Q: Switching and Signalling - Specifications of Signalling System No. 7 - ISDN User Part (Study Group 11; 41 pp)
ITU-T Q.766-1993 Performance Objectives in the Integrated Services Digital Network Application - Specifications of Signalling System No. 7 ISDN User Part (Study Group XI) 7 pp