SS7 Reference Guide


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Signaling System (SS7) is a suite of protocols which are used to set up a majority of the world's calls. This reference tool provides information on SS7 protocols, including SIGTRAN and BICC.

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
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