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Back to SBC Network Deployment Scenarios |
In a distributed SIP trunk deployment model, each corporate site has routed connectivity to the corporate private WAN. Each site will have direct SIP session connectivity to the IP PSTN as shown in figure 1 . This connectivity can be achieved over the same physical connection when one service provider provides both private WAN (typically MPLS-based) and the SIP trunk session connections.
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Load on the private WAN/MPLS is reduced due to elimination of much of media traffic between remote locations and the corporate site.
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