Gateway information is the core component to perform redirection. We should clarify the uri we received from CallRedirectionService is gateway Uri. And apply it in Telecom. Test: Treehugger; Manual Bug: 130048865 Change-Id: I3599377406b88751ee11139e9a1aa5afab734f7c Merged-In: I3599377406b88751ee11139e9a1aa5afab734f7c