Posted by: Pdfprep
Post Date: November 24, 2020
In SRVCC, what is the role of STN-SR?
A . Used for SCCAS subsequent addressing ATCF
B . used for filling the SIP MESSAGE which sent by the SCCAS to ATCF
C . indicates the access domain where the P-CSCF/ATCF is located.
D . Used for SRVCCIWF subsequent addressing ATCF
Answer: A
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