ITU-T Rec. Q-763 (09/1997) – Signalling System No. 7 – ISDN user part formats and codes
Summary
Source
FOREWORD
CONTENTS
1 General
    1.0 Scope, references, definitions, abbreviations
    1.1 Routing label
    1.2 Circuit identification code
    1.3 Message type code
    1.4 Formatting principles
    1.5 Mandatory fixed part
    1.6 Mandatory variable part
    1.7 Optional part
    1.8 End of optional parameters octet
    1.9 Order of transmission
    1.10 Coding of spare bits
    1.11 National message types and parameters
    1.12 Rules for the allocation of message types codes and parameter name codes
    1.13 Meaning of "spare" codes and "reserved" codes
2 Parameter formats and codes
    2.1 Message type codes
    2.2 Coding of the length indicator
    2.3 Coding of the pointers
3 ISDN user part parameter
    3.1 Parameter names
    3.2 Access delivery information
    3.3 Access transport
    3.4 Automatic congestion level
    3.5 Backward call indicators
    3.6 Call diversion information
    3.7 Call history information
    3.8 Call reference (national use)
    3.9 Called party number
    3.10 Calling party number
    3.11 Calling party's category
    3.12 Cause indicators
    3.13 Circuit group supervision message type
    3.14 Circuit state indicator (national use)
    3.15 Closed user group interlock code
    3.16 Connected number
    3.17 Connection request
    3.18 Continuity indicators
    3.19 Echo control information
    3.20 End of optional parameters
    3.21 Event information
    3.22 Facility indicator
    3.23 Forward call indicators
    3.24 Generic digits (national use)
    3.25 Generic notification indicator
    3.26 Generic number
    3.27 Reserved (used in 1992 version)
    3.28 Information indicators (national use)
    3.29 Information request indicators (national use)
    3.30 Location number
    3.31 MCID request indicators
    3.32 MCID response indicators
    3.33 Message compatibility information
    3.34 MLPP precedence
    3.35 Nature of connection indicators
    3.36 Network specific facility (national use)
    3.37 Optional backward call indicators
    3.38 Optional forward call indicators
    3.39 Original called number
    3.40 Origination ISC point code
    3.41 Parameter compatibility information
    3.42 Propagation delay counter
    3.43 Range and status
    3.44 Redirecting number
    3.45 Redirection information
    3.46 Redirection number
    3.47 Redirection number restriction
    3.48 Remote operations (national use)
    3.49 Service activation
    3.50 Signalling point code (national use)
    3.51 Subsequent number
    3.52 Suspend/resume indicators
    3.53 Transit network selection (national use)
    3.54 Transmission medium requirement
    3.55 Transmission medium requirement prime
    3.56 Transmission medium used
    3.57 User service information
    3.58 User service information prime
    3.59 User teleservice information
    3.60 User-to-user indicators
    3.61 User-to-user information
    3.62 Backward GVNS
    3.63 CCSS
    3.64 Call transfer number
    3.65 Call transfer reference
    3.66 Forward GVNS
    3.67 Loop prevention indicators
    3.68 Network management controls
    3.69 Circuit assignment map
    3.70 Correlation id
    3.71 SCF id
    3.72 Call diversion treatment indicators
    3.73 Called IN number
    3.74 Call offering treatment indicators
    3.75 Charged party identification (national use)
    3.76 Conference treatment indicators
    3.77 Display information
    3.78 UID action indicators
    3.79 UID capability indicators
    3.80 Hop counter
    3.81 Collect call request
4 ISDN user part messages and codes
ANNEX A – Tables for handling of unrecognized parameter values
ANNEX B – General description of component encoding rules
B.1 General components structure
B.2 Tags
B.3 Length of the contents
B.4 Contents