The Peeredge Switch SBC supports:· load balance
Load balancing (similar to round robin)
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Failover (primary/secondary, etc
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)
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Weighted distribution for PSTN Inbound (Customer Originating) calls
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46Labs 46 Labs typically recommends an evenly weighted (i.e. 50/50, 33/33/33, etc.) distribution. Weighted distribution will attempt A weighted distribution attempts to contact all active customer SBCs/PBXs before returning a SIP 503 Service Unavailable to the upstream PSTN provider.
When using the load balance distribution, a SIP 503 Service Unavailable is sent to the upstream PSTN provider if there is no response from the first customer SBC/PBX contacted then a SIP 503 Service Unavailable is sent to the upstream PSTN provider.