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Deployment Option
SIP Service
Provider
Y
SIP Service
Provider
X

SF
MF
SF
MF
SIP
RTP
Composed or Decomposed: SF and MF
Centralized or Distributed: whether logical and physical functions are in one geographical point
or functions are distributed among multiple geographical locations

When one SF controls multiple MFs, which MF (IP address) the media should be
forwarded to?
Sohel Khan, Ph.D., Sprint-Nextel
PPT Version