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I'm new in telecommunication, but I need to understand SS7 protocol for my job. Can anybody explain what's ISUP, MAP, and SCCP? What's their functions?
as far as i can remember they are layers in C7 resembling thaT of the OSI model from 4 to 7
ISUP: ISDN user part it is used to set compatability with both ct. sw and pkt sw.
while MAP: mobile application part which is responsible for controlling the mobile signalling like GSMMAP and ANSI-41"for cdma"
SCCP : signalling connection control part "i cannot remember what it does exactly"
MTP taken care of message routing and network management
sccp taken care of converting global title translation into susbsystem point codes
ISUP provides signalling .
MAP is a application layer protocol takes services from sccp and tcap.
tcap is related to non circuit related application transactions.
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