ATIS 1000026.2008(S2018)

This document defines the Session Border Controller (SBC) functions and requirements that reside within a service provider's network. Implementation realizations of SBCs are also described. An SCE comprise of Call Control Signaling Path (CCSP) functions and Media Path (MP) functions. The separation of an SBC into its component functions is described; and call/sessions control, bearer/media, and OAM&P requirements are provided.