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• ITU-T Rec. Q.762 (1988)
• 1 Signalling messages
  • 1.1 Address complete message (ACM)
  • 1.2 Answer message (ANM)
  • 1.3 Blocking message (BLO)
  • 1.4 Blocking acknowledgement message (BLA)
  • 1.5 Call modification completed message (CMC)
  • 1.6 Call modification reject message (CMRJ)
  • 1.7 Call modification request message (CMR)
  • 1.8 Call progress message (CPG)
  • 1.9 Charge information message (CRG) (national use)
  • 1.10 Circuit group blocking message (CGB)
  • 1.11 Circuit group blocking acknowledgement message (CGBA)
  • 1.12 Circuit group reset message (GRS)
  • 1.13 Circuit group reset acknowledgement message (GRA)
  • 1.14 Circuit group unblocking message (CGU)
  • 1.15 Circuit group unblocking acknowledgement message (CGUA)
  • 1.16 Circuit group query message (CQM)
  • 1.17 Circuit group query response message (CQR)
  • 1.18 Confusion message (CFN)
  • 1.19 Connect message (CON)
  • 1.20 Continuity message (COT)
  • 1.21 Continuity check request message (CCR)
  • 1.22 Delayed release message (DRS) (national use)
  • 1.23 Facility accepted message (FAA)
  • 1.24 Facility reject message (FRJ)
  • 1.25 Facility request message (FAR)
  • 1.26 Forward transfer message (FOT)
  • 1.27 Information message (INF)
  • 1.28 Information request message (INR)
  • 1.29 Initial address message (IAM)
  • 1.30 Loop back acknowledgement message (LPA) (national use)
  • 1.31 Overload message (OLM) (national use)
  • 1.32 Pass-along message (PAM)
  • 1.33 Release message (REL)
  • 1.34 Release complete message (RLC)
  • 1.35 Reset circuit message (RSC)
  • 1.36 Resume message (RES)
  • 1.37 Subsequent address message (SAM)
  • 1.38 Suspend message (SUS)
  • 1.39 Unblocking message (UBL)
  • 1.40 Unblocking acknowledgement message (UBA)
  • 1.41 Unequipped circuit identification code message (UCIC) (national use)
  • 1.42 User-to-user information message (USR)
• 2 Signalling information
  • 2.1 Access transport
  • 2.2 Address presentation restricted indicator
  • 2.3 Address signal
  • 2.4 Automatic congestion level
  • 2.5 Call forwarding may occur indicator
  • 2.6 Call identity
  • 2.7 Call reference
  • 2.8 Called party number
  • 2.9 Called party's category indicator
  • 2.10 Called party's status indicator
  • 2.11 Calling party number
  • 2.12 Calling party address request indicator
  • 2.13 Calling party address response indicator
  • 2.14 Calling party number incomplete indicator
  • 2.15 Calling party's category
  • 2.16 Calling party's category request indicator
  • 2.17 Calling party's category response indicator
  • 2.18 Cause value
  • 2.19 Charge indicator
  • 2.20 Charge information request indicator (national use)
  • 2.21 Charge information response indicator (national use)
  • 2.22 Circuit group supervision message type indicator
  • 2.23 Circuit identification code
  • 2.24 Circuit state indicator
  • 2.25 Closed user group call indicator
  • 2.26 Closed user group interlock code
  • 2.27 Coding standard
  • 2.28 Connected number
  • 2.29 Connection request
  • 2.30 Continuity check indicator
  • 2.31 Continuity indicator
  • 2.32 Credit
  • 3.33 Diagnostic
  • 2.34 Echo control device indicator
  • 2.35 End-to-end information indicator
  • 2.36 End-to-end method indicator
  • 2.37 Event indicator
  • 2.38 Event presentation restricted indicator
  • 2.39 Extension indicator
  • 2.40 Facility indicator
  • 2.41 Holding indicator (national use)
  • 2.42 Hold provided indicator (national use)
  • 2.43 In-band information indicator
  • 2.44 Internal network number indicator
  • 2.45 Interworking indicator
  • 2.46 ISDN access indicator
  • 2.47 ISDN user part indicator
  • 2.48 ISDN user preference indicator
  • 2.49 Local reference
  • 2.50 Location
  • 2.51 Malicious call identification request indicator (national use)
  • 2.52 Modification indicator
  • 2.53 National/international call indicator
  • 2.54 Nature of address indicator
  • 2.55 Numbering plan indicator
  • 2.56 Odd/even indicator
  • 2.57 Original called number
  • 2.58 Original redirection reason
  • 2.59 Point code
  • 2.60 Protocol class
  • 2.61 Protocol control indicator
  • 2.62 Range
  • 2.63 Recommendation indicator
  • 2.64 Redirecting indicator
  • 2.65 Redirecting number
  • 2.66 Redirecting reason
  • 2.67 Redirection counter
  • 2.68 Redirection number
  • 2.69 Routing label
  • 2.70 Satellite indicator
  • 2.71 SCCP method indicator
  • 2.72 Screening indicator
  • 2.73 Signalling point code (national use)
  • 2.74 Solicited information indicator
  • 2.75 Status
  • 2.76 Suspend/Resume indicator
  • 2.77 Temporary trunk blocking after release (national use)
  • 2.78 Transit network selection (national use)
  • 2.79 Transmission medium requirement
  • 2.80 User service information
  • 2.81 User-to-user indicators
  • 2.82 User-to-user information