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Reply To: Call flow for international Roaming

#38069
Scot
Guest

Hi Manul,

There will be IMSI Analysis Table where IMSI Format ( E212 ) will be transformed to E214 Format,which will be used for Routing the message to HPLMN.

E212 IMSI – MCC+MNC Will be Replaced By

E164 – CC+NDC

Result = E214 = CC+NDC+Remaining Digits in IMSI.Called as MGT-Mobile Global Title.

In the MAP-UL Message this will be used as called address.In the same message Full IMSI will be there.Which will be read by HLR Properly.

Rgds