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Signaling documentation.

This page should be used to collect various specifications and documentation for signaling protocols.




ISDN: Integrated Services Digital Network


The official specifications for SS7 are available from the ITU-T in the Q.7xx series recommendations. The entire Q series can be viewed at

ITU-T Q.7xx Series Recommendations
Document Number Description
[Q.700] Introduction to CCITT Signaling System No. 7
[Q.701] Functional description of the message transfer part (MTP) of Signaling System No. 7
[Q.702] Signaling data link
[Q.703] Signaling link
[Q.704] Signaling network functions and messages
[Q.705] Signaling network structure
[Q.706] Message transfer part signaling performance
[Q.707] Testing and maintenance
[Q.708] Assignment procedures for international signaling point codes
[Q.709] Hypothetical signaling reference connection
[Q.710] Simplified MTP for small systems
[Q.711] Functional description of the Signaling Connection Control Part
[Q.712] Definition and function of signaling connection control part messages
[Q.713] Signaling connection control part formats and codes
[Q.714] Signaling connection control part procedures
[Q.715] Signaling connection control part user guide
[Q.716] Signaling connection control part performance

Other SS7 Links