Home » Topics » Telecom Design » SS7 message format
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IbrahimGuest
Hi guys,
Can any body assist me with SS7 message format?
regards,
Keith DriverGuest
What is it you want to know? Which protocol?
The AnhGuest
Which kind of protocol do you mention here? (ISUP, INAP, etc…)
IbrahimGuest
I need the SS7 message format of the A interface between the BSC & the MSC in a GSM system, i.e. MTP, SCCP, and BSSAP.
Thanks,
Wallis DudhnathGuest
Look at 3gpp.org.
Specification below looks at Layer 3.
3GPP TS 48.008
Mobile Switching Centre – Base Station system (MSC-BSS) interface; Layer 3 specification
Wallis DudhnathGuest
Look at the following “message units” for SS7:-
-Message Signal Unit (MSU)
-Link Status Signal Unit (LSSU)
-Fill-in Signal Unit (FISU)
You will also need to obtain the relevant SS7 specification for interface that is under investigation.
VBR/ Wallis Dudhnath
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