Telecom Interview Question:

Explain call flow for roaming mobile to roaming
mobile?(both users are belongs to same state but staying on roaming in different states)

Submitted by: Administrator

If a Roaming Mobile A call to a roaming mobile B,SRI query

will come to Home HLR,which then provides the exact MSC

address of roaming Mobile B.MSC where Raoming mobile B

present will provide a MSRN Which will be provided to MSC

which is current serving Roaming Mobile A via HLR.

MSRN will be used to route the Call.
Submitted by: Administrator