View source for Subscriber location function

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The '''subscriber location function''', or '''SLF''' is a function within an [[IP multimedia subsystem]] that provides information about the [[Home subscriber server|home subscriber server (HSS)]] that is associated with a particular user profile.  It is generally implemented using a [[database]]. If the home domain contains more than one HSS, [[I-CSCF]] and [[S-CSCF]] will communicate with '''SLF,''' and find the appropriate HSS based on user profile. CSCF communicates with the SLF using diameter Dx  [[interface (computing)|interface]] and the application server communicates with the SLF using Sh interface. SLF function currently has limited source material.

==References==

[[Category:Telecommunications infrastructure]]
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