	SS7 Reference Guide
Table Of Contents
Format of SS7 SU Types
SS7 LSSU Format
SIO Field
MSU Signaling Message Structure
Routing Label
Format of SPC (ANSI)
Format of ISPC (ITU-I)
MTP Management Messages Structure
SNT Heading Code Table
SS7 Function Levels
SNM/SNT Heading Code Table Abbreviations
SNM Heading Code Table
General ISUP Message Format: Mandatory Fixed Part Section
General ISUP Message Format: Mandatory Variable Part Pointers Section
General ISUP Message Format: Mandatory Variable Part Section
SCCP Message Type Table
SCCP Message Parameter Table
SCCP Parameter Name Codes Table
General ISUP CIC Field
ISUP Mandatory/Optional Parameter Table (ANSI)
ISUP Mandatory/Optional Parameter Table (ITU White Book)
ISUP Message Type Table
ISUP Parameter Code Table
TUP Heading Code Table
TUP Heading Code Table Abbreviations
SS7 with SIGTRAN Protocol Stack
Message Classes Supported in SIGTRAN
M3UA Message Class Table
M3UA Message Type Table
M3UA User Data Message Format
M3UA Parameter Code Table
M3UA Error Code Value Table
SUA Message Type Table
SUA Error Code Parameter Table
SUA User Data Message Format (CLDT)
M2PA Message Types
M2PA Link Status Messages
BICC Packet Structure
BICC Message Type Code
ITU-T ISUP 2000 Function/Service
Glossary of SS7 Acronyms
SS7 References

SCCP Message Parameter Table

PARAMETER FIELD

Message Type Code

    Destination    local ref.
    
    m
    m
    m
    m
    m
    m
    m
    m
    m
    m
    m
    m
    m
    
    
    
    
  

Source local ref.

    Called    party address
    m
    o
    o
    
    m
    m
    m
    m

Calling party address

    Protocol    Class
    m
    m
    
    m
    m
    m

Segmenting/ Reassembling

    Receive    Sequence No.
    
    m

Sequencing/ Segmenting

    Credit
    o
    o
    
    m
    
    m

Release cause

    Return cause
    
    m
    
    m
    m

Reset cause

    Error cause
    
    m

Data

    Refusal    cause
    
    m

End of opt. parameters

    SCCP Hop    Counter
    o
    
    m
    
    m

ISNI

1) Information in these fields is ignored if the protocol class parameter indicates class 2
*ANSI only

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