SAG（Service Aggregated Gateway）

SAG3000 is located in the core control layer of SCDMA core network to control service calls and connection in NGN in real time. It is the core of call and control in NGN. SAG3000 is mainly in charge of functions of call control, connection management, routing, billing, mobility management and service logic, etc. for IP packet network based voice and multimedia services. It supports SCDMA broadband and narrowband wireless access and can be interconnected with PSTN/PLMN via standard ISUP/MTP3 and be interconnected with VOIP network via standard SIP. SAG3000 product can be connected to PSTN directly through Inter-Public network signaling to realize voice interconnection.

Services supported:
Basic voice service
Basic short message service
Supplementary service
FAX
Bearing service
Value-added service

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