leekk8 said:Sharing some info about SS7:
All the submodules in SS7 protocol stack:
- MTP1
- MTP2
- MTP3
- SCCP
- ISUP
- TUP
- SNM
- SNT
- MAP
- INAP/CAP
- TCAP
Added after 1 minutes:
Sharing info about GSM:
All the elements in GSM network:
- BTS
- BSC
- MSC
- VLR
- HLR
- AUC
leekk8 said:What you mean by XCDR?
Do you refer to xDR? As I know, xDR is a record of signaling message between all these interfaces...normally we have CDR, SDR and TDR.
rewind1990 said:Hi
I've have a qusetion about SS7 and GSM. I've started a topic:
Can anybody help me to understand next: The "Border Roaming Protocol" tools monitor LU requests towards HLR. They match the VLR in the LU request with the IMSI. If the VLR is different form home the LU is denied and SIM will try to make LU in another VLR.
I understand the principles of previous, but I don't understand the mechanism how that work. What exactly is happening?? Wich SS7 messages are beign monitored, and wich data in that messages?
Really need help about this one. Thanks.
leekk8 said:rewind1990,
then you already have the whole idea...what's your question here?
rewind1990 said:leekk8 said:rewind1990,
then you already have the whole idea...what's your question here?
In the meantime I've found what I was looking for, so I just share knowledge.
Regards
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