The Peeredge Orchestrator supports:
Load balancing (similar to round robin)
Failover (primary/secondary, etc.)
Weighted distribution for PSTN Inbound (Customer Originating) calls
For inbound calls to a customer SBC or PBX, 46 Labs typically recommends an evenly weighted (i.e. 50/50, 33/33/33, etc.) distribution. A weighted distribution attempts to contact all active customer SBCs or PBXs before returning a SIP 503 Service Unavailable to the upstream PSTN provider.
When using a load balance distribution, a SIP 503 Service Unavailable is sent to the upstream PSTN provider if there is a failure response (5../6..) from the first customer SBC or PBX contacted.
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